[{"id":"how-to-tell-if-a-cryptocurrency-is-legit","title":"How to Tell if a Cryptocurrency Is Legit","category":"Crypto Basics","tags":["due-diligence","scams","tokenomics","airdrops","rug-check"],"difficulty":"beginner","readMins":4,"teaser":"With thousands of new tokens launching every year, knowing how to vet a project is essential. This walkthrough gives you a structured due-diligence checklist — white paper, team, code, community, and tokenomics — so you can spot the red flags before you buy in.","summary":"A structured due-diligence checklist for judging whether a crypto project is legitimate: what to verify in the white paper, team, GitHub activity, and community; the tokenomics patterns (supply concentration, no vesting, uncapped minting) that signal a scam; and safe airdrop/NFT-claim practices.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":[],"updated":"2026-07-31","tokenCount":253},{"id":"installing-the-duino-coin-repo-on-linux-desktop","title":"Installing the Duino-Coin Repo on Linux Desktop","category":"Crypto Basics","tags":["duino-coin","mining","linux","python","raspberry-pi"],"difficulty":"intermediate","readMins":4,"teaser":"Duino-Coin is a lightweight coin you can mine on hardware as small as an Arduino or Raspberry Pi. This guide covers installing the dependencies, cloning the official repo, and getting the miner ready on a Linux desktop.","summary":"Setting up Duino-Coin mining on a Linux desktop: installing Python and image-library dependencies via apt, cloning the official revoxhere/duino-coin repo, installing its Python requirements, and where to configure a wallet — with notes on CPU, AVR/Arduino, and ESP8266/ESP32 mining.","price":10000,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":[],"updated":"2026-07-31","tokenCount":149},{"id":"repurposing-an-old-gpu-for-crypto-mining","title":"Repurposing an Old GPU for Crypto Mining","category":"Crypto Basics","tags":["gpu-mining","nvidia","mining-pool","hashrate","overclocking"],"difficulty":"intermediate","readMins":5,"teaser":"An old NVIDIA or AMD GPU can still earn crypto if you point it at the right algorithm. This guide covers checking profitability first, the popular NVIDIA miners, joining a pool, and the overclock/undervolt tweaks that improve efficiency.","summary":"Getting an old GPU mining: checking profitability against electricity cost on whattomine.com, updating drivers, choosing NVIDIA mining software (T-Rex, GMiner, NBMiner), creating a wallet and joining a pool, configuring the miner, and undervolt/overclock tuning while keeping the GPU under 85°C.","price":10000,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":[],"updated":"2026-07-31","tokenCount":230},{"id":"setting-up-chia-farming-with-a-raspberry-pi","title":"Setting Up Chia Farming with a Raspberry Pi","category":"Crypto Basics","tags":["chia","farming","raspberry-pi","proof-of-space","plots"],"difficulty":"intermediate","readMins":5,"teaser":"Chia is farmed with storage space, not GPU power — which makes a Raspberry Pi 4 a capable full-time farmer. This guide covers what you need, why plotting happens on a separate machine, and the steps to get a Pi farming plots and checking status.","summary":"How to run a Chia farmer on a Raspberry Pi 4: why Chia's Proof of Space and Time lets a low-power Pi farm (while plotting stays on a stronger machine), installing the software, creating a wallet, optimizing the Pi, pointing the farmer at plot directories, and monitoring with 'chia farm summary'.","price":10000,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":[],"updated":"2026-07-31","tokenCount":249},{"id":"how-flash-loans-smart-contracts-can-be-profitable","title":"How Flash Loans & Smart Contracts Can Be Profitable","category":"On-chain & DeFi","tags":["flash-loans","defi","arbitrage","smart-contracts","yield-farming"],"difficulty":"advanced","readMins":6,"teaser":"Smart contracts unlock strategies impossible in traditional finance. This guide explains flash loans — uncollateralized, single-block borrowing — and their legitimate uses in arbitrage, collateral swaps, and liquidations, plus lending and yield strategies (and the risks).","summary":"Legitimate profit mechanisms in DeFi: how flash loans provide uncollateralized capital that must be borrowed and repaid within one block (reverting otherwise), with uses in DEX arbitrage, collateral swaps, and liquidations; plus lending, liquidity provision, and yield farming — framed with a risk disclaimer.","price":10000,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":[],"updated":"2026-07-31","tokenCount":251},{"id":"google-dorking-search-shortcuts-reference","title":"Google Dorking Search Shortcuts Reference","category":"Security & OpSec","tags":["google-dorking","osint","search-operators","recon","security"],"difficulty":"intermediate","readMins":5,"teaser":"Google's advanced search operators are a core OSINT and security-auditing skill. This reference covers the core dorks (site:, filetype:, inurl:, intitle:), combination operators, and practical query examples for finding exposed files and misconfigurations.","summary":"A reference for Google dorking / advanced search operators used in OSINT and security auditing: core operators (site, filetype/ext, inurl, intitle, intext, cache, related, link), combination operators (allinurl, allintitle, AROUND, exclusion, date ranges), and practical queries for finding exposed files.","price":10000,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":[],"updated":"2026-07-31","tokenCount":215},{"id":"adding-a-cname-record-to-your-domain","title":"Adding a CNAME Record to Your Domain","category":"Web & Domains","tags":["dns","cname","google-workspace","domain-verification","registrar"],"difficulty":"beginner","readMins":3,"teaser":"Need to add a CNAME record to verify your domain or connect a service like Google Workspace? This walkthrough covers signing in to your registrar, finding the right Label and Target values, adding the record, and what to do when it stubbornly won't verify.","summary":"Step-by-step instructions for adding a CNAME record at a domain registrar (GoDaddy, Namecheap, etc.) to verify domain ownership for services such as Google Workspace, including an example record layout and DNS-propagation troubleshooting.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":[],"updated":"2026-07-31","tokenCount":235},{"id":"cname-domain-parking-dns-resource-records","title":"CNAME Domain Parking & DNS Resource Records","category":"Web & Domains","tags":["dns","cname","mx-records","resource-records","email"],"difficulty":"beginner","readMins":4,"teaser":"DNS resource records are the switchboard of your domain — they decide where web traffic and email actually go. This guide breaks down the record types you'll meet (A, AAAA, CNAME, MX), the four fields every record uses, and how MX priority gives your email failover.","summary":"An explainer of DNS resource records: the four fields (host, type, TTL, data) every record uses, what the A, AAAA, CNAME, and MX record types do, and how multiple MX records with priority values provide email failover — including the trailing-dot FQDN gotcha.","price":10000,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":[],"updated":"2026-07-31","tokenCount":217},{"id":"customizing-your-google-workspace-web-address","title":"Customizing Your Google Workspace Web Address","category":"Web & Domains","tags":["google-workspace","cname","custom-url","google-sites","naked-domain"],"difficulty":"beginner","readMins":3,"teaser":"Tired of long default Google URLs like mail.google.com/a/example.com? This guide shows how to set up short, branded addresses — mail.example.com for Gmail, a custom domain for Google Sites, and a naked domain — using CNAME and A records.","summary":"How to create short branded addresses for Google Workspace services: setting a CNAME so Gmail lives at mail.example.com, mapping a custom domain to a Google Site, and enabling the naked (bare) domain via A records and an Admin console redirect.","price":10000,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":[],"updated":"2026-07-31","tokenCount":185},{"id":"forwarding-your-google-domain-to-a-url-or-ip","title":"Forwarding Your Google Domain to a URL or IP","category":"Web & Domains","tags":["google-domains","forwarding","redirect","301","synthetic-records"],"difficulty":"beginner","readMins":3,"teaser":"Need to send an old domain to a new one, or a root domain to a subfolder? This guide walks through Google Domains forwarding — choosing 301 vs 302, enabling path forwarding, and finding the synthetic DNS record that makes it work.","summary":"How to forward a Google-managed domain to another URL or IP: the Google Domains forwarding steps, choosing permanent (301) vs temporary (302) redirects and path forwarding, verifying propagation, and locating the synthetic DNS record that powers (and can break) forwarding.","price":10000,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":[],"updated":"2026-07-31","tokenCount":218},{"id":"mapping-a-new-url-in-google-sites","title":"Mapping a New URL in Google Sites","category":"Web & Domains","tags":["google-sites","custom-domain","url-mapping","ssl","cname"],"difficulty":"beginner","readMins":4,"teaser":"Google Sites can live at your own branded URL, with an automatic SSL certificate. This guide covers the requirements (new Sites only, sharing settings, subdomain rules) and the Admin-console and CNAME steps to map a custom address.","summary":"How an admin maps a custom URL to a new Google Site: the requirements (new Sites only, public sharing, subdomain-to-primary-domain rule, 2,000-address limit), the Admin console steps, and CNAME verification — with auto-provisioned domain-validated SSL.","price":10000,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":[],"updated":"2026-07-31","tokenCount":237},{"id":"setting-up-the-naked-domain-for-your-google-site","title":"Setting Up the Naked Domain for Your Google Site","category":"Web & Domains","tags":["naked-domain","google-sites","a-records","redirect","dns"],"difficulty":"beginner","readMins":3,"teaser":"Want visitors to reach your Google Site at example.com instead of www.example.com? This walkthrough covers the exact Admin console redirect steps and the A records you add at your registrar to make the naked domain resolve.","summary":"Step-by-step setup of a naked (bare) domain redirect for a Google Site: configuring the redirect in the Google Admin console, adding A records at your registrar that point to Google's IPs, and the constraints (only primary domains can be redirect targets; up to 48h propagation).","price":10000,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":[],"updated":"2026-07-31","tokenCount":211},{"id":"troubleshooting-cname-records","title":"Troubleshooting CNAME Records","category":"Web & Domains","tags":["cname","dns","nslookup","troubleshooting","propagation"],"difficulty":"beginner","readMins":4,"teaser":"Added a CNAME record but the service still says 'not verified'? This guide shows how to check a live CNAME from the terminal or online tools, and walks through the usual culprits — propagation delays, typos, trailing dots, and conflicting A records.","summary":"How to verify and debug a CNAME record: looking it up with nslookup or dig/MXToolbox, and resolving the common failures — unpropagated changes, mistyped Label/Target values, trailing-dot errors, and the A-vs-CNAME conflict on the same hostname.","price":10000,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":[],"updated":"2026-07-31","tokenCount":214},{"id":"what-to-do-if-you-can-t-add-a-domain-on-google","title":"What To Do If You Can't Add a Domain on Google","category":"Web & Domains","tags":["google-workspace","domain-conflict","domain-reclaim","troubleshooting"],"difficulty":"beginner","readMins":3,"teaser":"Hit the 'This domain name has already been used' error in Google Workspace? This guide explains what the alert means and your two paths forward — waiting out a recent removal, or reclaiming a domain that's tied to an account you don't control.","summary":"Resolving Google Workspace's 'domain already used as an alias or domain' error: the removal cooldown windows (up to 24h, or 7 days via a reseller) and how to reclaim a domain linked to an unmanaged account via Google's domain reclaim / ownership-verification form.","price":10000,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":[],"updated":"2026-07-31","tokenCount":230},{"id":"converting-ebook-formats-on-linux-epub-mobi-pdf","title":"Converting eBook Formats on Linux (epub, mobi, pdf)","category":"Linux & Systems","tags":["calibre","ebook-convert","epub","mobi","kindle"],"difficulty":"beginner","readMins":4,"teaser":"Getting an ePub or PDF onto a Kindle means converting formats. This guide covers the two best Linux tools — the command-line ebook-convert and the GUI-driven Calibre — with the exact commands to turn ePub, PDF, and more into Kindle-ready files.","summary":"Converting ebooks between formats on Linux for Kindle: the Kindle-supported formats, using command-line ebook-convert (from ebook-tools) for ePub→MOBI/RTF and PDF→MOBI conversions, and using Calibre's GUI for batch conversions across a wider format range.","price":10000,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":[],"updated":"2026-07-31","tokenCount":174},{"id":"reviving-a-western-digital-hard-drive-on-linux","title":"Reviving a Western Digital Hard Drive on Linux","category":"Linux & Systems","tags":["smartctl","hdd","fsck","ddrescue","data-recovery"],"difficulty":"intermediate","readMins":6,"teaser":"Before you toss a failing 2.5-inch Western Digital drive, try this recovery sequence on Linux — reading SMART data, forcing bad-sector reallocation with a zero-fill, repairing the filesystem, and imaging with ddrescue when a drive is on its last legs.","summary":"A Linux recovery workflow for a failing 2.5-inch WD drive: reading SMART health with smartctl (watching reallocated/pending sectors), zero-filling with dd to force sector reallocation, repairing with fsck, repartitioning in GParted, and last-resort sector imaging with ddrescue/HDDSuperClone.","price":10000,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":[],"updated":"2026-07-31","tokenCount":237},{"id":"esp32-cam-module-features-programming-guide","title":"ESP32-CAM Module: Features & Programming Guide","category":"IoT & Hardware","tags":["esp32-cam","camera","ftdi","ov2640","arduino"],"difficulty":"intermediate","readMins":5,"teaser":"The ~$10 ESP32-CAM pairs an ESP32-S with a camera and microSD slot — but it has no USB port, which trips up first-timers. This guide covers its features, the FTDI wiring and GPIO0 flash trick, and running the CameraWebServer live-feed sketch.","summary":"A features-and-programming guide to the ESP32-CAM: onboard camera (OV2640/OV7670), microSD, flash LED and WiFi/BLE; how to flash it without a USB port using an FTDI adapter and the GPIO0-to-GND flash-mode trick; and running Espressif's CameraWebServer sketch for a browser live feed.","price":10000,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":[],"updated":"2026-07-31","tokenCount":231},{"id":"getting-started-with-the-esp32-microcontroller","title":"Getting Started with the ESP32 Microcontroller","category":"IoT & Hardware","tags":["esp32","microcontroller","arduino","freertos","wifi","iot"],"difficulty":"intermediate","readMins":5,"teaser":"The ESP32 gives you WiFi, Bluetooth, and a 240 MHz dual-core processor for a few dollars — a serious step up from a classic Arduino. This guide covers why you'd switch, how to get your IDE set up, and the key gotchas (3.3V logic, dual cores, OTA updates) to know first.","summary":"An orientation to the ESP32 for developers coming from Arduino: why its 240 MHz dual-core CPU and built-in WiFi/BLE matter, how to set up the Arduino IDE or ESP-IDF toolchain, and the critical 3.3V-logic, FreeRTOS dual-core, and OTA-update differences to understand before wiring one up.","price":10000,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":[],"updated":"2026-07-31","tokenCount":239},{"id":"hard-drive-diagnosis-can-a-3-5-inch-drive-run-on-poe","title":"Hard Drive Diagnosis: Can a 3.5-Inch Drive Run on PoE?","category":"IoT & Hardware","tags":["poe","hard-drive","power","nas","hardware"],"difficulty":"intermediate","readMins":4,"teaser":"Can you power a 3.5-inch hard drive over Power over Ethernet? Short answer: no. This guide explains the voltage and spin-up current math behind why, and the practical alternatives — splitters, PoE NAS units, or switching to a 2.5-inch drive.","summary":"Why a 3.5-inch HDD can't be powered directly over PoE — the +12V/+5V and 6–10W spin-up requirements versus PoE's 48V/15.4W (or PoE+ 25.5W) budget — and the workable alternatives: PoE splitters for low-draw drives, PoE NAS units, or moving to 2.5-inch drives/SSDs.","price":10000,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":[],"updated":"2026-07-31","tokenCount":230},{"id":"mastering-lorawan-for-iot-projects","title":"Mastering LoRaWAN for IoT Projects","category":"IoT & Hardware","tags":["lorawan","iot","wireless","gateways","sensors"],"difficulty":"intermediate","readMins":6,"teaser":"LoRaWAN moves small amounts of sensor data over kilometers on tiny power budgets. This guide covers the four-part architecture (nodes, gateways, network and application servers), the Class A/B/C device tradeoffs, and where LoRaWAN shines in the real world.","summary":"An overview of LoRaWAN for IoT: the architecture (end nodes, gateways, network server handling de-dup/ADR, application server), the power-vs-latency tradeoffs of Class A/B/C devices, typical 2–15 km range, and real-world uses in agriculture, smart cities, asset tracking, and industry.","price":10000,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":[],"updated":"2026-07-31","tokenCount":202},{"id":"understanding-extra-pcb-soldering-pads","title":"Understanding Extra PCB Soldering Pads","category":"IoT & Hardware","tags":["pcb","soldering","test-points","jtag","electronics"],"difficulty":"intermediate","readMins":4,"teaser":"Ever opened a device and found solder pads that connect to nothing obvious? This guide explains what those extra PCB pads are for — test points, in-circuit programming, boundary-scan testing, component rework, and factory calibration.","summary":"What the unlabeled extra solder pads on a PCB are for: test points for probing signals, in-circuit programming interfaces (UART/SWD/JTAG), JTAG boundary-scan testing, component replacement/rework and design-variant population, and access points for factory calibration.","price":10000,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":[],"updated":"2026-07-31","tokenCount":231},{"id":"building-your-own-web-crawler-indexer","title":"Building Your Own Web Crawler & Indexer","category":"AI & Agents","tags":["web-crawler","scrapy","indexing","elasticsearch","python"],"difficulty":"intermediate","readMins":6,"teaser":"Crawlers fetch pages and follow links; indexers make that data searchable. This guide covers building a crawler from scratch in Python (requests + BeautifulSoup, queue and scope control) or with frameworks, then indexing into Elasticsearch, Meilisearch, or SQLite FTS5.","summary":"How to build a web crawler and search index: a from-scratch Python approach (requests + BeautifulSoup, deque/set queue management, robots.txt and scope control) or frameworks (Scrapy, Crawlee, Colly), then indexing crawled fields into Elasticsearch, Meilisearch, or SQLite FTS5 for full-text search.","price":10000,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":[],"updated":"2026-07-31","tokenCount":242},{"id":"using-tesseract-ocr-with-python-install-code","title":"Using Tesseract OCR with Python — Install & Code","category":"AI & Agents","tags":["tesseract","ocr","python","opencv","computer-vision"],"difficulty":"intermediate","readMins":5,"teaser":"Tesseract turns images into text, and with OpenCV + Python you can build document scanners and live-camera readers. This guide covers installing the pieces, reading text from an image file, and running real-time OCR on a webcam feed — plus the preprocessing that boosts accuracy.","summary":"Using the Tesseract OCR engine from Python: installing pytesseract/OpenCV and Tesseract itself, extracting text from an image file (grayscale + image_to_string), a live webcam OCR loop with thresholding, and the preprocessing (thresholding, denoising, deskewing) that improves real-world accuracy.","price":10000,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":[],"updated":"2026-07-31","tokenCount":201},{"id":"how-to-grow-a-youtube-channel-full-guide","title":"How to Grow a YouTube Channel — Full Guide","category":"Content & Growth","tags":["youtube","ctr","watch-time","thumbnails","algorithm"],"difficulty":"beginner","readMins":6,"teaser":"Built on strategies behind a 900k-subscriber, 50M-view channel, this guide explains how YouTube actually promotes videos, the two metrics that decide your reach (CTR and average view duration), and the thumbnail, hook, and consistency tactics that compound.","summary":"YouTube growth fundamentals from a 900k-subscriber channel: how the algorithm favors CTR and watch time together, the two metrics that matter (4–10%+ CTR and average view duration), thumbnail/title curiosity formulas with A/B testing, and content tactics — strong hooks, consistent cadence, and fast comment engagement.","price":10000,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":[],"updated":"2026-07-31","tokenCount":291},{"id":"how-rug-pulls-actually-work","title":"How Rug Pulls Actually Work: Five Technical Patterns","category":"Security & OpSec","tags":["rug-pull","mint-authority","honeypot","liquidity-pool","scam-patterns"],"difficulty":"beginner","readMins":5,"teaser":"\"Rug pull\" gets used for every kind of crypto loss, but the mechanism is almost always one of five specific, checkable patterns. Here’s what each one actually looks like on-chain, in plain terms, before you buy.","summary":"A technical breakdown of the five on-chain patterns behind most Solana/EVM rug pulls — live mint authority, live freeze authority, honeypot sell-blocking, unlocked or fake-locked liquidity, and holder concentration — with what each looks like in raw contract/account data and which public checks surface it.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":[],"updated":"2026-08-22","tokenCount":633},{"id":"reading-solana-mint-freeze-authority-directly","title":"Reading Solana Mint and Freeze Authority Without Trusting a Scanner","category":"Solana","tags":["solana","rpc","mint-authority","freeze-authority","spl-token"],"difficulty":"intermediate","readMins":4,"teaser":"Every rug-pull scanner ultimately reads two fields off the mint account. Here’s exactly how to pull them yourself with a raw RPC call, so you’re never dependent on a third party’s cache being fresh or correct.","summary":"How to query a Solana SPL token mint’s authority fields directly via the getAccountInfo RPC method with jsonParsed encoding — the exact request shape, how to read mintAuthority and freezeAuthority from the response, why third-party scanners can lag or misreport this, and how to extend the same check to Token-2022 mints.","price":10000,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":[],"updated":"2026-08-22","tokenCount":546},{"id":"what-a-honeypot-token-looks-like-on-chain","title":"What a Honeypot Token Contract Looks Like On-Chain","category":"Security & OpSec","tags":["honeypot","scam-detection","simulation","evm","solana"],"difficulty":"intermediate","readMins":4,"teaser":"Honeypot tokens let you buy freely and look completely normal on a price chart — the trap only fires the moment you try to sell. Here’s the handful of mechanisms that make it work, and how to catch one before you’re the one testing it live.","summary":"The common mechanisms behind honeypot token contracts — sell-path reverts, disguised extreme sell taxes, allowlist-gated transfers, and blacklist functions added post-launch — plus how a simulated-sell check works and why source-code review alone misses most of them.","price":10000,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":[],"updated":"2026-08-22","tokenCount":611},{"id":"building-an-ai-agent-that-pays-with-x402","title":"Building an AI Agent That Pays for Data: A Practical x402 Walkthrough","category":"AI & Agents","tags":["x402","ai-agents","micropayments","solana","http-402"],"difficulty":"intermediate","readMins":7,"teaser":"HTTP 402 has been in the spec since 1997 and unused until now. x402 turns it into a real protocol: a server quotes a price, your agent pays on-chain, and retries the exact same request with proof. Here’s what that loop actually looks like in code.","summary":"A working implementation walkthrough for an AI agent consuming an x402-gated API: reading the 402 response and its accepts array, choosing a payment method (facilitator-settled transaction vs self-submitted reference), building the payment, and handling the settlement-lag retry loop — using this site’s own live Watchdog endpoints as the worked example.","price":20000,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":[],"updated":"2026-08-22","tokenCount":934},{"id":"liquidity-pool-locks-explained","title":"Liquidity Pool Locks Explained: What \"LP Locked 100%\" Actually Means","category":"On-chain & DeFi","tags":["liquidity-pool","lp-lock","defi","rug-pull","solana"],"difficulty":"beginner","readMins":4,"teaser":"\"LP locked 100%\" shows up on almost every token’s marketing, and it means at least three different things depending on how it was actually done — one of which offers you no protection at all. Here’s how to tell which one you’re looking at.","summary":"How liquidity pool locking actually works mechanically on Solana/EVM DEXs — burning LP tokens versus time-locking them in a program versus a team-controlled \"lock\" wallet — how to verify which mechanism a specific token used, and the fake-lock patterns that let a team drain liquidity despite an advertised lock.","price":10000,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":[],"updated":"2026-08-22","tokenCount":669},{"id":"ubuntu-error-fix","title":"Ubuntu Error-to-Fix Resolver","category":"Linux & Systems","tags":["ubuntu","troubleshooting","systemd","incident-response","linux"],"difficulty":"intermediate","readMins":9,"teaser":"Most Ubuntu troubleshooting is a guessing game of pasted commands. This walks through separating the layer that actually failed — storage, permissions, package, service, or kernel — from the layer that just reported it, so the fix is the smallest one that's actually correct.","summary":"A repeatable method for diagnosing Ubuntu failures: reproduce once, check platform health, identify the owning component, run a read-only test, make one reversible change, then prove the original task works. Includes an evidence-to-decision map and a full worked 502-error example.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://help.ubuntu.com/","https://manpages.ubuntu.com/","https://documentation.ubuntu.com/release-notes/24.04/"],"updated":"2026-08-22","tokenCount":2634},{"id":"repo-to-running-service","title":"Repo-to-Running-Service Guide","category":"Self-Hosting & Infra","tags":["deployment","reproducibility","onboarding","devops","environment-setup"],"difficulty":"intermediate","readMins":8,"teaser":"Handed a repo with no working setup instructions? This is the fingerprint-first method for getting an unfamiliar codebase from clone to a genuinely healthy running service — without guessing at env vars or trusting install scripts blindly.","summary":"A clean-room procedure for taking an unfamiliar repository to a healthy local service: fingerprint the project without executing anything, write an explicit environment contract, install from the lockfile, run one real test, and document a repeatable start command.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://docs.github.com/en/repositories/creating-and-managing-repositories/cloning-a-repository","https://docs.npmjs.com/cli/v11/commands/npm-ci","https://packaging.python.org/en/latest/tutorials/installing-packages/"],"updated":"2026-08-22","tokenCount":2334},{"id":"dns-tls-deployment-triage","title":"DNS, TLS and Deployment Triage","category":"Web & Domains","tags":["dns","tls","ssl","reverse-proxy","domains"],"difficulty":"intermediate","readMins":8,"teaser":"\"It works on localhost but not on the domain\" has about six possible causes, and most people start guessing at the wrong one. This traces the request hop by hop — DNS, TLS handshake, proxy routing, origin — until the actual broken layer is provable, not assumed.","summary":"Hop-by-hop method for diagnosing a broken hostname: authoritative DNS, recursive resolution, network reachability, TLS/SNI, reverse proxy, origin listener, and application, each with a decisive command-line check, ending in one corrected config and external verification.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://www.cloudflare.com/learning/dns/what-is-dns/","https://letsencrypt.org/docs/","https://nginx.org/en/docs/http/configuring_https_servers.html"],"updated":"2026-08-22","tokenCount":2416},{"id":"api-error-resolver","title":"API Error Resolver","category":"Self-Hosting & Infra","tags":["api","http","debugging","authentication","rate-limiting"],"difficulty":"intermediate","readMins":8,"teaser":"An API failing with a vague 4xx or 5xx isn't one problem, it's five possible problems wearing the same error code. This separates transport, auth, validation, authorization, and rate-limit failures so you fix the one that's actually happening.","summary":"Method for turning a failed API call into a corrected, reproducible request: build a minimal repro, classify the failure by layer (transport/auth/validation/authorization/throttling/server), fix the right one, and add a regression test that distinguishes them going forward.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://developer.mozilla.org/en-US/docs/Web/HTTP","https://developer.mozilla.org/en-US/docs/Web/HTTP/Guides/CORS","https://www.rfc-editor.org/rfc/rfc9110"],"updated":"2026-08-22","tokenCount":2334},{"id":"x402-paid-endpoint","title":"x402 Paid Endpoint Builder","category":"AI & Agents","tags":["x402","agents","payments","api-monetization","solana"],"difficulty":"advanced","readMins":10,"teaser":"Getting a 402 challenge to return isn't the hard part of charging AI agents for an API call — pricing it so you don't lose money per request, and making retries safe, is. This is the build-and-test path from a free endpoint to a mainnet-ready paid one.","summary":"Design and launch checklist for an x402-paid HTTP endpoint: define the billable unit and free preview, choose scheme/network/price from real cost data, implement the unpaid 402 challenge, verify and settle before fulfillment, make retries idempotent, and pass a full negative-test gate before mainnet.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://docs.x402.org/getting-started/quickstart-for-sellers","https://docs.x402.org/schemes/overview","https://docs.x402.org/extensions/bazaar","https://docs.x402.org/guides/mcp-server-with-x402"],"updated":"2026-08-22","tokenCount":2830},{"id":"mcp-server-builder-auditor","title":"MCP Server Builder and Auditor","category":"AI & Agents","tags":["mcp","agents","tool-design","api-security","llm-tools"],"difficulty":"advanced","readMins":8,"teaser":"An MCP server that technically works can still get the wrong tool picked, accept malformed input, or hand an agent more authority than the task needs. This is a build-or-audit pass that catches all three before agents touch it.","summary":"Checklist for building or reviewing an MCP server: distinct tool names and descriptions so agents select correctly, strict input validation, least-privilege authority per tool, bounded structured outputs, confirmation gates on consequential actions, and a concrete protocol/security test pass.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://modelcontextprotocol.io/specification/2026-07-28/server/tools","https://modelcontextprotocol.io/docs/2026-07-28/tutorials/security/security_best_practices","https://modelcontextprotocol.io/docs/2026-07-28/tutorials/security/authorization"],"updated":"2026-08-22","tokenCount":2319},{"id":"agent-tool-security","title":"Agent Tool Security Preflight","category":"Security & OpSec","tags":["agent-security","least-privilege","tool-permissions","ai-agents","opsec"],"difficulty":"advanced","readMins":8,"teaser":"Before an agent gets access to a shell, wallet, inbox, or database, there's a specific list of things to check — not a gut feeling about whether it seems safe. This is the go/no-go preflight for handing autonomous software a tool with real consequences.","summary":"Security preflight for granting an AI agent a tool: map the real authority boundary, test abuse cases before production, issue least-privilege credentials, require confirmation and spend limits on irreversible actions, sanitize tool output, and keep a tested emergency disable path.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://cheatsheetseries.owasp.org/cheatsheets/AI_Agent_Security_Cheat_Sheet.html","https://genai.owasp.org/llmrisk/llm01-prompt-injection/","https://modelcontextprotocol.io/docs/2026-07-28/tutorials/security/security_best_practices"],"updated":"2026-08-22","tokenCount":2289},{"id":"research-evidence-verifier","title":"Research Evidence Verifier","category":"AI & Agents","tags":["fact-checking","research","evidence","verification","ai-output"],"difficulty":"intermediate","readMins":8,"teaser":"An AI-generated answer that sounds confident and one that's actually supported by current primary evidence are not the same thing. This is a method for telling them apart before a decision gets made on the difference.","summary":"Method for evaluating whether a claim is actually supported: separate fact from inference and uncertainty, trace each conclusion to current primary evidence with dates and scope, flag contradictions between sources, and produce a reproducible way to re-check the answer later.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://www.cochrane.org/about-us/evidence-based-health-care","https://www.nist.gov/topics/metrology","https://www.loc.gov/item/lcwaN0009954/"],"updated":"2026-08-22","tokenCount":2249},{"id":"data-cleanup-schema-mapper","title":"Data Cleanup and Schema Mapper","category":"AI & Agents","tags":["data-cleaning","schema-mapping","etl","data-quality","csv"],"difficulty":"intermediate","readMins":8,"teaser":"Messy exports don't need a human re-typing rows by hand or an AI silently inventing values for the blanks. This is a mapping-first method for turning inconsistent CSV/JSON/table data into a validated schema — with a reject file for whatever genuinely doesn't fit.","summary":"Deterministic method for converting messy CSV/TSV/JSON/copied-table data into a validated target schema: build an explicit field mapping and conflict rules first, transform without inventing missing values, and produce a validated dataset plus a reject file and quality/provenance report.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://www.rfc-editor.org/rfc/rfc4180","https://json-schema.org/specification","https://www.unicode.org/reports/tr15/"],"updated":"2026-08-22","tokenCount":2207},{"id":"solana-transaction-failure","title":"Solana Transaction Failure Resolver","category":"Solana","tags":["solana","transactions","debugging","rpc","wallets"],"difficulty":"intermediate","readMins":8,"teaser":"A wallet's generic \"transaction failed\" message hides whether it's a balance problem, a stale quote, an expired blockhash, or the program itself — and retrying blindly can be actively dangerous. This separates the real cause from the noise before you resend anything.","summary":"Method for diagnosing a failed Solana transaction: read the structured simulation error and first failing instruction, separate wallet/rent/blockhash/slippage/compute/program/RPC causes, and verify the intended on-chain state changed exactly once before considering the incident closed.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://solana.com/docs/rpc/http/simulatetransaction","https://solana.com/docs/rpc/http/gettransaction","https://solana.com/docs/rpc/json-structures"],"updated":"2026-08-22","tokenCount":2424},{"id":"apt-dpkg-repair","title":"APT and dpkg Repair Guide","category":"Linux & Systems","tags":["apt","dpkg","ubuntu","package-management","linux"],"difficulty":"beginner","readMins":7,"teaser":"An interrupted apt upgrade or a held package can leave a system in a state where every install attempt just repeats the same error. This is the recovery path that fixes it without nuking the package database and starting over.","summary":"Recovery method for interrupted dpkg configuration, held packages, and repository conflicts: identify the exact conflicting package/version, apply the narrowest dpkg/apt correction, and confirm APT resolves to one coherent repository set without deleting the package database.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://manpages.ubuntu.com/manpages/noble/en/man8/apt-get.8.html","https://manpages.ubuntu.com/manpages/noble/en/man1/dpkg.1.html","https://help.ubuntu.com/community/Repositories/Ubuntu"],"updated":"2026-08-22","tokenCount":2073},{"id":"nvidia-no-signal","title":"NVIDIA No-Signal Recovery Guide","category":"Linux & Systems","tags":["nvidia","gpu","linux","display","drivers"],"difficulty":"beginner","readMins":7,"teaser":"A monitor that goes black after a driver or kernel update is rarely a dead GPU — it's usually a mismatch between the bound driver, the kernel, and which output the system thinks is active. This keeps a text-console path open while you find which one.","summary":"Recovery method for a Linux display going no-signal after an NVIDIA driver, kernel, cable, or GPU-selection change: verify cable/input and detected GPU, confirm the bound kernel module and driver/kernel compatibility, and restore the display manager while preserving a text-console and kernel-rollback path.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://documentation.ubuntu.com/server/how-to/graphics/install-nvidia-drivers/","https://download.nvidia.com/XFree86/Linux-x86_64/README/","https://wiki.ubuntu.com/UEFI/SecureBoot"],"updated":"2026-08-22","tokenCount":2106},{"id":"cuda-driver-ollama","title":"CUDA, Driver and Ollama Compatibility Guide","category":"AI & Agents","tags":["cuda","nvidia","ollama","gpu","local-ai"],"difficulty":"intermediate","readMins":7,"teaser":"Ollama silently falling back to CPU, or a model that won't fit in VRAM, is almost never fixed by reinstalling the toolkit. This builds the actual compatibility picture — GPU, driver, CUDA runtime, model size, and available memory — instead of guessing at version numbers.","summary":"Compatibility method for local-AI GPU inference: confirm GPU support and driver/CUDA version match, verify Ollama is using the intended execution backend rather than CPU fallback, and size model/context/concurrency against measured VRAM instead of trial-and-error reinstalls.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://docs.ollama.com/gpu","https://docs.ollama.com/troubleshooting","https://docs.ollama.com/context-length","https://docs.nvidia.com/deploy/cuda-compatibility/"],"updated":"2026-08-22","tokenCount":2014},{"id":"systemd-failure","title":"systemd Failure Resolver","category":"Linux & Systems","tags":["systemd","linux","services","journalctl","troubleshooting"],"difficulty":"intermediate","readMins":7,"teaser":"A service that runs fine by hand but fails under systemd is almost always an environment or permissions difference, not a broken program. This finds the exact dependency, path, or identity gap between the two.","summary":"Method for diagnosing a failed or restart-looping systemd unit: inspect its real execution context (user, environment, working directory), dependency and restart-policy configuration, and journal output, then apply the narrowest fix and confirm the unit passes an actual application readiness check, not just active status.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://www.freedesktop.org/software/systemd/man/latest/systemd.service.html","https://www.freedesktop.org/software/systemd/man/latest/systemctl.html","https://www.freedesktop.org/software/systemd/man/latest/systemd.exec.html"],"updated":"2026-08-22","tokenCount":2043},{"id":"docker-container-failure","title":"Docker Container Failure Resolver","category":"Self-Hosting & Infra","tags":["docker","containers","devops","networking","troubleshooting"],"difficulty":"intermediate","readMins":7,"teaser":"A container that builds fine but won't start, stays unhealthy, or loses its data on restart usually has one specific broken layer — image, command, mount, network, or user — not five. This finds it without deleting a volume you'll regret losing.","summary":"Method for diagnosing Docker build, startup, health, storage, permission, and networking failures: isolate the failing layer (image, entrypoint, mount, user, network) with read-only checks first, then apply a narrow fix and confirm health and persistent data survive a restart.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://docs.docker.com/engine/daemon/troubleshoot/","https://docs.docker.com/reference/cli/docker/container/inspect/","https://docs.docker.com/engine/storage/volumes/"],"updated":"2026-08-22","tokenCount":2093},{"id":"port-firewall-reverse-proxy","title":"Port, Firewall and Reverse-Proxy Guide","category":"Self-Hosting & Infra","tags":["networking","firewall","reverse-proxy","self-hosting","tls"],"difficulty":"intermediate","readMins":6,"teaser":"A service that works on localhost but returns 502/504 or times out publicly is a routing problem somewhere between the process listener and the internet — host firewall, cloud firewall, proxy, or TLS termination. This traces the actual hop that's blocked.","summary":"Method for tracing a request from external client to local application listener: check process binding, host firewall, cloud/provider firewall, reverse proxy and TLS termination, and upstream routing in order, exposing only the ports actually needed and preserving correct client/scheme headers.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://nginx.org/en/docs/http/ngx_http_proxy_module.html","https://help.ubuntu.com/community/UFW","https://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Status/502"],"updated":"2026-08-22","tokenCount":1889},{"id":"python-environment-repair","title":"Python Environment Repair Guide","category":"Linux & Systems","tags":["python","venv","pip","ubuntu","dependencies"],"difficulty":"beginner","readMins":7,"teaser":"Ubuntu's \"externally managed environment\" error isn't a bug to work around with --break-system-packages — it's telling you to use a venv properly. This fixes broken interpreters, moved venvs, and native-extension failures without touching system Python.","summary":"Repair method for Python venv, pip, interpreter, and native-extension failures on Ubuntu: confirm which interpreter and venv are actually active, reinstall from declared dependencies rather than ad hoc global installs, and verify imports and the application run without modifying system Python.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://packaging.python.org/en/latest/tutorials/installing-packages/","https://docs.python.org/3/library/venv.html","https://peps.python.org/pep-0668/"],"updated":"2026-08-22","tokenCount":1910},{"id":"node-npm-bun-repair","title":"Node, npm and Bun Repair Guide","category":"Linux & Systems","tags":["nodejs","npm","bun","javascript","dependencies"],"difficulty":"beginner","readMins":6,"teaser":"A project that only works after deleting the lockfile or installing packages globally isn't actually fixed — it's just hiding a runtime or dependency mismatch that will resurface. This resolves it at the source instead.","summary":"Repair method for Node/npm/Bun runtime mismatches, lockfile conflicts, and native-module failures: confirm the declared runtime and package manager version, install strictly from the lockfile, and verify install/build/test/start succeed without global-package workarounds.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://docs.npmjs.com/cli/v11/commands/npm-ci","https://nodejs.org/en/download","https://bun.sh/docs/installation"],"updated":"2026-08-22","tokenCount":1805},{"id":"linux-permissions","title":"Linux Permissions Resolver","category":"Linux & Systems","tags":["linux","permissions","acl","security","troubleshooting"],"difficulty":"intermediate","readMins":6,"teaser":"\"It works as root but not as the real user\" almost always traces to one specific path component, group membership, or ACL entry — not a vague permissions problem. This walks the exact chain until it finds which one.","summary":"Method for finding the exact user, group, path component, ACL entry, mount option, or service-confinement rule denying access: walk ownership and permissions down the full path, compare against the actual service identity, and apply the narrowest reversible correction.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://man7.org/linux/man-pages/man1/chmod.1.html","https://man7.org/linux/man-pages/man5/acl.5.html","https://www.freedesktop.org/software/systemd/man/latest/systemd.exec.html"],"updated":"2026-08-22","tokenCount":1838},{"id":"disk-full-boot-recovery","title":"Disk-Full and Boot Recovery Guide","category":"Linux & Systems","tags":["linux","disk-space","boot","filesystem","recovery"],"difficulty":"intermediate","readMins":7,"teaser":"A system that won't boot or write logs because storage or inodes are exhausted needs the actual space consumer identified before anything gets deleted. This finds it safely instead of guessing with rm -rf.","summary":"Recovery method for capacity, inode, and boot failures: distinguish full bytes from full inodes, identify the true space consumer without destructive cleanup, restore a writable filesystem, and confirm the system boots and normal services can write again.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://man7.org/linux/man-pages/man1/df.1.html","https://man7.org/linux/man-pages/man1/du.1.html","https://man7.org/linux/man-pages/man8/fsck.8.html"],"updated":"2026-08-22","tokenCount":1934},{"id":"openapi-to-mcp","title":"REST/OpenAPI-to-MCP Adapter Guide","category":"AI & Agents","tags":["mcp","openapi","api-integration","agents","tool-design"],"difficulty":"advanced","readMins":6,"teaser":"Wrapping an entire REST API as one generic MCP tool is how agents end up guessing at parameters. This is the method for turning a handful of selected operations into narrow, well-named, safely-scoped tools instead.","summary":"Method for converting selected REST/OpenAPI operations into MCP tools: choose a deliberate subset of operations, give each a clear name and strict schema, enforce server-side authorization and bounded output, and add stable error behavior with client-level tests.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://spec.openapis.org/oas/latest.html","https://modelcontextprotocol.io/specification/2026-07-28/server/tools","https://modelcontextprotocol.io/docs/2026-07-28/tutorials/security/authorization"],"updated":"2026-08-22","tokenCount":1815},{"id":"tool-schema-optimizer","title":"Tool Schema Optimizer","category":"AI & Agents","tags":["mcp","tool-schemas","agents","llm","api-design"],"difficulty":"advanced","readMins":6,"teaser":"When an agent keeps picking the wrong tool or sending invalid arguments, the fix is usually the tool catalog, not the model. This rewrites names, descriptions, and schemas so the correct call is the obvious one on the first attempt.","summary":"Method for improving agent tool selection and first-call validity: rewrite ambiguous names/descriptions, tighten parameter schemas and enums, remove overlapping tools, and measure the change against real selection-accuracy and validation-error rates rather than guessing.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://json-schema.org/understanding-json-schema/","https://modelcontextprotocol.io/specification/2026-07-28/server/tools"],"updated":"2026-08-22","tokenCount":1787},{"id":"structured-output-repair","title":"Structured-Output Repair Guide","category":"AI & Agents","tags":["json-schema","llm-output","validation","agents","reliability"],"difficulty":"advanced","readMins":6,"teaser":"Invalid JSON from a model can mean four different things — truncation, a schema mismatch, an unsupported union, or a genuinely malformed response — and each needs a different fix. Silently coercing it just moves the bug downstream.","summary":"Method for diagnosing and repairing invalid structured LLM output: distinguish syntax failure, truncation, schema mismatch, and semantic error, apply a bounded retry/repair strategy for each, and never silently accept or coerce a response that doesn't actually match the schema.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://json-schema.org/specification","https://www.rfc-editor.org/rfc/rfc8259"],"updated":"2026-08-22","tokenCount":1789},{"id":"agent-retry-idempotency","title":"Agent Retry and Idempotency Guide","category":"AI & Agents","tags":["idempotency","retries","agents","reliability","distributed-systems"],"difficulty":"advanced","readMins":6,"teaser":"When an agent isn't sure whether a payment or message actually went through after a timeout, retrying blindly is how you get charged twice. This is the idempotency-key method that makes retries safe by design instead of by luck.","summary":"Method for making agent-triggered side effects (payments, messages, orders, webhook calls) safe to retry: use a stable idempotency key per logical request, store the first terminal result atomically, and reconcile ambiguous timeouts instead of assuming success or failure.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://datatracker.ietf.org/doc/html/draft-ietf-httpapi-idempotency-key-header","https://www.rfc-editor.org/rfc/rfc9110"],"updated":"2026-08-22","tokenCount":1799},{"id":"agent-wallet-spend-policy","title":"Agent Wallet Spend-Policy Guide","category":"AI & Agents","tags":["agent-wallets","spend-limits","solana","x402","security"],"difficulty":"advanced","readMins":6,"teaser":"An agent that can initiate its own payments needs hard limits enforced outside the agent itself — not a system prompt asking it to be careful. This sets the caps, allowlists, and approval thresholds before autonomy is switched on.","summary":"Method for bounding autonomous agent spending: dedicated low-balance wallets, allowlisted networks/assets/destinations, per-call and rolling spend caps enforced externally to the agent, simulation before signing, approval thresholds for larger amounts, and a tested emergency pause.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://docs.x402.org/core-concepts/wallet","https://docs.x402.org/getting-started/quickstart-for-buyers","https://owasp.org/www-project-top-10-for-large-language-model-applications/"],"updated":"2026-08-22","tokenCount":1828},{"id":"prompt-injection-defense","title":"Prompt-Injection Defense Guide","category":"Security & OpSec","tags":["prompt-injection","agent-security","llm-security","opsec","ai-agents"],"difficulty":"advanced","readMins":6,"teaser":"Any agent that reads a webpage, email, or document is reading untrusted input that can try to rewrite its instructions. This is the design pattern that keeps that text acting like data instead of a command, even when it's trying hard not to.","summary":"Design method for agent workflows exposed to untrusted text (webpages, documents, email, tool output): label retrieved content as data rather than instructions, keep authorization decisions outside the model's reach, require structured proposals plus explicit approval for consequential actions, and test against adversarial injection attempts.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://genai.owasp.org/llmrisk/llm01-prompt-injection/","https://cheatsheetseries.owasp.org/cheatsheets/LLM_Prompt_Injection_Prevention_Cheat_Sheet.html","https://cheatsheetseries.owasp.org/cheatsheets/AI_Agent_Security_Cheat_Sheet.html"],"updated":"2026-08-22","tokenCount":1835},{"id":"agent-secret-handling","title":"Agent Secret-Handling Guide","category":"Security & OpSec","tags":["secrets-management","agent-security","credentials","opsec","api-keys"],"difficulty":"intermediate","readMins":6,"teaser":"An agent that has to hold a raw API key or wallet key in its prompt or logs is one leaked transcript away from a real incident. This keeps secrets out of every place an agent might accidentally expose them — and tests that the leak-detection actually works.","summary":"Method for keeping API keys, wallet keys, tokens, and recovery material out of agent-accessible surfaces: issue narrowly scoped short-lived credentials, keep raw secrets out of prompts/repos/logs/browser storage/tool responses, and test that leak detection and revoke/rotate paths actually work.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://cheatsheetseries.owasp.org/cheatsheets/Secrets_Management_Cheat_Sheet.html","https://owasp.org/www-project-top-10-for-large-language-model-applications/"],"updated":"2026-08-22","tokenCount":1809},{"id":"agent-observability","title":"Agent Observability Guide","category":"AI & Agents","tags":["observability","logging","agents","monitoring","telemetry"],"difficulty":"intermediate","readMins":6,"teaser":"Debugging why an agent looped, called the wrong tool, or burned through budget is nearly impossible without a proper trace — and logging everything by default just creates a new secrets-leak problem. This is the privacy-bounded middle ground.","summary":"Method for capturing agent telemetry (model, tool, cost, latency, state, approval, error, outcome) sufficient to reconstruct a run and diagnose loops, wrong tool calls, or cost spikes, without storing raw secrets or unnecessary user content.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://opentelemetry.io/docs/concepts/observability-primer/","https://opentelemetry.io/docs/specs/otel/trace/"],"updated":"2026-08-22","tokenCount":1807},{"id":"agent-evaluation-tests","title":"Agent Evaluation-Test Generator","category":"AI & Agents","tags":["evals","testing","agents","regression-testing","llm"],"difficulty":"advanced","readMins":6,"teaser":"Shipping a prompt or model change to an agent without a real test suite means the first adversarial input or edge case is a production incident. This turns an agent spec into normal, boundary, adversarial, and permission tests with actual pass criteria.","summary":"Method for building an agent evaluation suite before changing a model, prompt, tool, or permission set: generate representative, boundary, adversarial, permission, and cost test cases, grade deterministically where possible, and convert every real production failure into a permanent regression test.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://www.nist.gov/itl/ai-risk-management-framework","https://owasp.org/www-project-top-10-for-large-language-model-applications/"],"updated":"2026-08-22","tokenCount":1724},{"id":"local-private-ai","title":"Local Private-AI Deployment Guide","category":"AI & Agents","tags":["ollama","local-ai","privacy","self-hosting","linux"],"difficulty":"intermediate","readMins":6,"teaser":"Running AI locally to keep data private only works if the deployment is actually sized to the hardware and actually bound to a private interface — not just \"it loaded and answered once.\" This is the sizing-and-lockdown method that makes the privacy claim real.","summary":"Method for sizing and securing a local Ubuntu AI deployment: match model, context, and concurrency to measured CPU/RAM/GPU/VRAM, bind the service to intended interfaces only, verify nothing else on the network can reach it, and keep a smaller fallback model plus backup for recovery.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://docs.ollama.com/linux","https://docs.ollama.com/gpu","https://docs.ollama.com/context-length","https://docs.ollama.com/troubleshooting"],"updated":"2026-08-22","tokenCount":1803},{"id":"website-launch-preflight","title":"Website Launch Preflight","category":"Web & Domains","tags":["website-launch","qa","checklist","security-headers","web"],"difficulty":"beginner","readMins":6,"teaser":"Most launch-day surprises — a dead contact form, a missing security header, a broken mobile menu — are catchable in ten minutes on the actual production hostname before traffic ever hits it. This is that ten-minute pass.","summary":"Pre-launch checklist run against the real production hostname: functional, mobile, accessibility, metadata, security-header, form, and analytics checks, confirming the site works as visitors will actually experience it rather than only in a staging preview.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://developer.mozilla.org/en-US/docs/Learn_web_development/Extensions/Testing","https://www.w3.org/WAI/test-evaluate/","https://developers.google.com/search/docs/crawling-indexing/overview"],"updated":"2026-08-22","tokenCount":1826},{"id":"domain-hosting-migration","title":"Domain and Hosting Migration Guide","category":"Web & Domains","tags":["dns","migration","hosting","tls","downtime"],"difficulty":"intermediate","readMins":6,"teaser":"Moving a live domain to a new host without a plan usually means either downtime or a broken cert mid-cutover. This lowers TTLs, pre-issues the certificate, and validates everything before the DNS switch — with a rollback ready if it doesn't go clean.","summary":"Method for migrating a live domain between hosting or DNS providers: record existing DNS state, lower TTLs ahead of time, pre-issue TLS on the new host, validate content/forms/auth before cutover, monitor propagation, and keep a time-bounded rollback path.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://www.icann.org/resources/pages/dns-2024-01-17-en","https://letsencrypt.org/docs/","https://www.cloudflare.com/learning/dns/what-is-dns/"],"updated":"2026-08-22","tokenCount":1801},{"id":"reliable-webhook","title":"Reliable Webhook Implementation Guide","category":"Self-Hosting & Infra","tags":["webhooks","idempotency","reliability","api-security","backend"],"difficulty":"advanced","readMins":6,"teaser":"A webhook receiver that doesn't verify signatures, dedupe deliveries, or acknowledge fast enough will eventually process the same payment or event twice — or get spoofed into processing one that never happened. This closes all three gaps.","summary":"Method for building a reliable webhook receiver: authenticate the exact raw request body, block replay, acknowledge within the provider's deadline, queue work durably, process idempotently by event ID, and support reconciliation without duplicating business effects.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://www.rfc-editor.org/rfc/rfc2104","https://www.rfc-editor.org/rfc/rfc9110"],"updated":"2026-08-22","tokenCount":1765},{"id":"oauth-api-auth","title":"OAuth and API Authentication Resolver","category":"Security & OpSec","tags":["oauth","authentication","api-security","pkce","debugging"],"difficulty":"advanced","readMins":6,"teaser":"An OAuth flow that works for one account or browser but not another is usually a mismatch in redirect URI, scope, audience, or clock skew — not a broken integration. This isolates which field disagrees without ever exposing a credential to find out.","summary":"Method for diagnosing OAuth/API authentication failures: check redirect URI, PKCE, scope, audience, state, token lifetime, refresh, and tenant/environment agreement in order, reproduce the exact failing exchange, and confirm negative tests correctly reject bad credentials.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://www.rfc-editor.org/rfc/rfc6749","https://www.rfc-editor.org/rfc/rfc7636","https://www.rfc-editor.org/rfc/rfc9700"],"updated":"2026-08-22","tokenCount":1799},{"id":"responsible-scraper","title":"Responsible Scraper Design Guide","category":"Security & OpSec","tags":["web-scraping","compliance","rate-limiting","robots-txt","data-collection"],"difficulty":"intermediate","readMins":6,"teaser":"A scraper that ignores robots rules, hammers a site, or has no provenance trail isn't just impolite — it's a liability. This builds one that respects rate limits and terms by design and can prove where every row of data came from.","summary":"Method for building a bounded, compliant scraper: confirm permission/terms/robots rules before collecting anything, apply descriptive identity and rate/backoff/cache behavior, preserve source provenance for every record, respect privacy limits, and keep a working kill switch.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://www.rfc-editor.org/rfc/rfc9309","https://developer.mozilla.org/en-US/docs/Web/HTTP/Conditional_requests"],"updated":"2026-08-22","tokenCount":1701},{"id":"seo-structured-data","title":"SEO and Structured-Data Generator","category":"Content & Growth","tags":["seo","json-ld","structured-data","metadata","search"],"difficulty":"beginner","readMins":6,"teaser":"Structured data that technically validates but doesn't match what's actually on the page is a policy risk, not a ranking boost. This generates titles, descriptions, and JSON-LD straight from the same source of truth as the visible content, so they can't drift apart.","summary":"Method for generating page metadata and JSON-LD structured data that stays accurate: classify page intent and canonical status, map every generated field to an authoritative source rather than inventing it, validate technically, and monitor for drift between visible content and markup after publish.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://developers.google.com/search/docs/appearance/structured-data/intro-structured-data","https://developers.google.com/search/docs/appearance/structured-data/sd-policies","https://developers.google.com/search/docs/appearance/structured-data/search-gallery"],"updated":"2026-08-22","tokenCount":1742},{"id":"accessibility-remediation","title":"Accessibility Remediation Guide","category":"Web & Domains","tags":["accessibility","wcag","a11y","keyboard-navigation","screen-readers"],"difficulty":"intermediate","readMins":6,"teaser":"An accessibility scanner's list of findings isn't the same thing as a fixed site — half the real barriers only show up when you actually try to complete a task with a keyboard or screen reader. This turns findings into verified source-level fixes.","summary":"Method for turning accessibility findings into verified fixes against WCAG 2.2: prioritize fixes to the journeys that actually block users, correct semantics, keyboard operability, focus order, labels, contrast, and motion, and verify each fix with real assistive-technology testing, not just a re-scan.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://www.w3.org/TR/WCAG22/","https://www.w3.org/WAI/WCAG22/quickref/","https://www.w3.org/WAI/ARIA/apg/"],"updated":"2026-08-22","tokenCount":1811},{"id":"marketplace-product-feed","title":"Marketplace Product-Feed Cleaner","category":"Content & Growth","tags":["ecommerce","product-feed","marketplace","data-quality","inventory"],"difficulty":"intermediate","readMins":6,"teaser":"A rejected marketplace feed usually traces to one specific field — a malformed price, a missing GTIN, a category mismatch — buried in a few thousand rows. This normalizes the feed against authoritative inventory instead of patching rejects one at a time.","summary":"Method for producing a marketplace-ready product feed: normalize IDs, titles, categories, price, quantity, and images from authoritative inventory data, validate against each channel's specific requirements, reconcile totals, and produce explicit rejects instead of inventing missing fields.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://support.google.com/merchants/answer/7052112","https://developers.google.com/search/docs/specialty/ecommerce/share-your-product-data-with-google"],"updated":"2026-08-22","tokenCount":1766},{"id":"lead-list-quality","title":"Lead-List Quality Auditor","category":"Content & Growth","tags":["lead-generation","data-quality","crm","outreach","data-provenance"],"difficulty":"intermediate","readMins":6,"teaser":"A lead list's real value isn't its row count — it's how much of it is actually deduplicated, current, and contactable. This measures that directly instead of taking a vendor's claim at face value, and never fills a gap with an invented email or phone number.","summary":"Method for auditing a lead list before purchase, outreach, or CRM import: measure completeness, duplication, source provenance, freshness, formatting consistency, and contactability, and produce a data dictionary and reject list without inventing any missing contact fields.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://www.ftc.gov/business-guidance/privacy-security","https://www.consumerfinance.gov/compliance/compliance-resources/mortgage-resources/"],"updated":"2026-08-22","tokenCount":1762},{"id":"client-software-handoff","title":"Client Software Handoff Guide","category":"Self-Hosting & Infra","tags":["client-delivery","software-handoff","documentation","deployment","contracts"],"difficulty":"intermediate","readMins":6,"teaser":"A software handoff that's just a zip file and a \"good luck\" leaves both sides exposed — the client can't run it without you, and you have no record they accepted it. This is the delivery package that protects both.","summary":"Method for handing off completed custom software to a client: package immutable release artifacts and source, document deployment and recovery steps, transfer credentials at a clear boundary, record ownership/license terms and acceptance evidence, and avoid surrendering unpaid leverage prematurely.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://www.cisa.gov/resources-tools/resources/software-bill-materials","https://www.nist.gov/itl/ssd/software-quality-group"],"updated":"2026-08-22","tokenCount":1854},{"id":"solana-token-authority","title":"Solana Token Authority Decoder","category":"Solana","tags":["solana","token-authority","spl-token","due-diligence","on-chain-data"],"difficulty":"intermediate","readMins":7,"teaser":"\"Mint authority revoked\" gets thrown around as a safety signal, but it's one of six authorities a token can carry, and reading the wrong one — or reading it against a stale program version — makes the whole report meaningless.","summary":"Method for decoding a Solana token's actual on-chain authorities: identify the token program and extensions in use, read current mint/freeze/metadata/update/delegate/close authority state directly rather than trusting a summary, and report findings with observed time and explicit limitations, never as a safety guarantee.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://solana.com/docs/tokens/basics/set-authority","https://solana.com/docs/tokens/extensions","https://www.solana-program.com/docs/token-2022"],"updated":"2026-08-22","tokenCount":1913},{"id":"token-holder-rug-risk","title":"Token Holder and Rug-Risk Analyzer","category":"Solana","tags":["solana","rug-pull","holder-concentration","due-diligence","risk-analysis"],"difficulty":"intermediate","readMins":6,"teaser":"Top-10-holder percentage alone is one of the most misleading numbers in crypto due diligence — it misses linked wallets, creator behavior, and whether the liquidity backing that price is even real. This measures what actually matters and labels what's still a prediction.","summary":"Method for assessing token rug risk: measure holder concentration and linked ownership, creator wallet activity, liquidity custody and lock verification, authority state, and market depth, keeping observable facts clearly separated from uncertain prediction with a timestamped record.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://solana.com/docs/rpc/http/gettokenlargestaccounts","https://solana.com/docs/rpc/http/gettokenaccountsbyowner","https://solana.com/docs/tokens"],"updated":"2026-08-22","tokenCount":1887},{"id":"drained-wallet-incident","title":"Drained-Wallet Incident Guide","category":"Wallets & Self-Custody","tags":["wallet-security","incident-response","solana","compromise","recovery"],"difficulty":"beginner","readMins":7,"teaser":"The first ten minutes after noticing a wallet is compromised decide whether anything is salvageable. This is the exact sequence — move what's left from a clean device, revoke what can be revoked, preserve evidence — written for someone who's panicking, not for a calm audit later.","summary":"Incident-response method for a suspected wallet compromise: move remaining assets using a clean device/wallet path when safe, revoke malicious approvals/delegates/sessions where applicable, preserve evidence for exchange/provider reports, and permanently retire the compromised trust boundary rather than continuing to use it.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://consumer.ftc.gov/articles/what-know-about-cryptocurrency-and-scams","https://solana.com/docs"],"updated":"2026-08-22","tokenCount":2000},{"id":"nft-authenticity-spam","title":"NFT Authenticity and Spam Triage","category":"Solana","tags":["nft","solana","spam-airdrops","phishing","wallet-safety"],"difficulty":"beginner","readMins":6,"teaser":"An unexpected NFT showing up in a wallet is either a legitimate airdrop, harmless spam, or a phishing link waiting for one click. This tells them apart from collection, creator, and metadata evidence — without ever connecting a wallet to \"check.\"","summary":"No-signature triage method for an unexpected NFT: verify collection and creator identity, inspect metadata and embedded links for phishing signals, and classify the item as authentic, spam, unverified, or actively dangerous, ending in a safe hide/burn/ignore decision without wallet interaction.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://solana.com/docs/tokens","https://consumer.ftc.gov/articles/how-avoid-scam"],"updated":"2026-08-22","tokenCount":1836},{"id":"dex-fee-slippage-breakeven","title":"DEX Fee, Slippage and Break-Even Guide","category":"On-chain & DeFi","tags":["defi","slippage","trading-fees","breakeven-analysis","solana"],"difficulty":"intermediate","readMins":7,"teaser":"A trade that shows green on the price chart can still be a net loss once fees, slippage, and price impact are actually totaled. This builds the real breakeven number before the trade, not after the disappointing swap confirmation.","summary":"Method for calculating the actual price move required to profit on a DEX round-trip: total protocol/platform fees, entry/exit price impact, slippage, priority fees, and failed-transaction costs, producing a realistic breakeven and exit-depth model instead of assuming the quoted price holds.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://docs.orca.so/liquidity/concepts/impermanent-loss","https://solana.com/docs/core/fees"],"updated":"2026-08-22","tokenCount":1897},{"id":"meteora-orca-lp-exit","title":"Meteora and Orca LP Exit Resolver","category":"On-chain & DeFi","tags":["meteora","orca","liquidity-pools","solana-defi","lp-withdrawal"],"difficulty":"advanced","readMins":7,"teaser":"A failed LP withdrawal on Meteora or Orca could be a lock you forgot about, a stale quote, a missing SOL for rent, or five other things — and guessing wrong risks leaving value stuck. This checks ownership, lock state, and account status in the right order before you try again.","summary":"Method for resolving a failed Meteora or Orca liquidity withdrawal, harvest, or zap-out: verify position ownership and lock/vesting state, check bin/range state and token accounts, confirm SOL for fees and rent, refresh stale quotes, and withdraw fees and liquidity in the correct order before deciding whether to close the position.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://docs.meteora.ag/user-guides/how-to-use-damm-v2/damm-v2-pool-detail","https://docs.meteora.ag/user-guides/getting-started-with-meteora","https://docs.orca.so/liquidity/manage/withdraw","https://docs.orca.so/liquidity/manage/close"],"updated":"2026-08-22","tokenCount":1982},{"id":"solana-rpc-websocket","title":"Solana RPC and WebSocket Resilience Guide","category":"Solana","tags":["solana","rpc","websocket","monitoring","reliability"],"difficulty":"advanced","readMins":6,"teaser":"A WebSocket subscription is not a durable delivery guarantee — providers disconnect, rate-limit, and disagree on slot state, and a monitor that assumes otherwise silently misses events. This builds the checkpoint-and-reconcile pattern that survives all of it.","summary":"Method for building resilient Solana monitoring: checkpoint progress so reconnects can backfill missed history, apply bounded backoff on disconnect and rate limits, deduplicate events by signature, track commitment/slot per source, and detect provider disagreement instead of trusting a single WebSocket feed as durable.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://solana.com/docs/rpc/websocket","https://solana.com/docs/rpc","https://solana.com/docs/rpc/http/getsignaturesforaddress"],"updated":"2026-08-22","tokenCount":1794},{"id":"trading-bot-profitability","title":"Trading-Bot Profitability Auditor","category":"On-chain & DeFi","tags":["trading-bots","pnl","backtesting","solana","profitability-analysis"],"difficulty":"advanced","readMins":6,"teaser":"A bot's win rate and a bot's actual profitability are frequently unrelated numbers — fees, slippage, failed transactions, and survivorship bias in the backtest can turn a green track record into a real loss. This builds the PnL statement that can't be gamed by the metric you chose to look at.","summary":"Auditing method for whether a trading bot is genuinely profitable: build PnL from actual wallet/exchange cash flows and inventory, net every fee, slippage cost, and failed-transaction charge, separate realized from unrealized results, and test against an out-of-sample baseline to rule out survivorship and look-ahead bias.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://www.cftc.gov/LearnAndProtect/AdvisoriesAndArticles/fraudadv_tradingbot.html","https://www.investor.gov/introduction-investing/investing-basics/glossary/backtesting"],"updated":"2026-08-22","tokenCount":1852},{"id":"staking-restaking-risk","title":"Staking and Restaking Risk Comparator","category":"On-chain & DeFi","tags":["staking","restaking","liquid-staking","solana","yield-comparison"],"difficulty":"intermediate","readMins":7,"teaser":"\"Restaking pays more\" isn't a complete sentence without the risk that's being taken on to earn it — smart-contract exposure, validator risk, depeg scenarios, and withdrawal delays all eat into that extra yield differently. This compares the real net numbers side by side.","summary":"Comparison method for staking, liquid staking, and restaking choices: net actual yield against fees and commissions, weigh validator/operator and smart-contract exposure, model depeg and slashing scenarios, and account for liquidity/withdrawal timing, arriving at a no-guarantee decision table rather than a single recommended yield number.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://solana.com/docs/references/staking","https://www.jito.network/docs/jitosol/","https://docs.orca.so/liquidity/concepts/impermanent-loss"],"updated":"2026-08-22","tokenCount":1922},{"id":"chain-address-network-validator","title":"Chain, Address and Network Validator","category":"Wallets & Self-Custody","tags":["wallet-safety","address-validation","cross-chain","transfers","solana"],"difficulty":"beginner","readMins":7,"teaser":"An address that's syntactically valid on one network can silently exist on three others too, and picking the wrong one from a ticker dropdown is how transfers go to the wrong chain permanently. This validates chain, address, and contract before the real amount ever moves.","summary":"Preflight method for validating a crypto transfer before sending: confirm the exact chain/network and token contract or mint, validate address format and destination support including memo/tag requirements, check wallet or program type, and run a small test transfer with confirmed receipt before sending the remainder.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://solana.com/docs/rpc/http/getaccountinfo","https://ethereum.org/en/developers/docs/networks/","https://consumer.ftc.gov/articles/what-know-about-cryptocurrency-and-scams"],"updated":"2026-08-22","tokenCount":2049},{"id":"crypto-ledger-reconstruction","title":"Crypto Transaction Ledger Reconstruction","category":"On-chain & DeFi","tags":["crypto-accounting","transaction-history","tax-records","reconciliation","portfolio-tracking"],"difficulty":"advanced","readMins":10,"teaser":"Trying to reconstruct a full crypto transaction history across wallets, exchanges, bridges, staking, and NFTs after the fact is exactly how tax season becomes a nightmare. This rebuilds a reconciled ledger from the actual on-chain and exchange evidence.","summary":"Method for reconstructing a complete crypto transaction ledger: gather wallet, exchange, bridge, staking, LP, NFT, and token-transfer records with fee data, reconcile balances against the actual on-chain/exchange source of truth, and resolve gaps or mismatches with documented evidence rather than an estimated plug figure.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://www.irs.gov/filing/digital-assets","https://www.irs.gov/businesses/small-businesses-self-employed/why-should-i-keep-records","https://www.fincen.gov/resources/statutes-regulations/guidance"],"updated":"2026-08-23","tokenCount":2850},{"id":"agent-capability-registry","title":"Agent Capability Registry and Discovery","category":"AI & Agents","tags":["mcp","tool-discovery","agent-catalog","versioning","api-design"],"difficulty":"advanced","readMins":9,"teaser":"An agent's tool catalog drifting quietly out of sync with what the live endpoint actually accepts is one of the most common ways automation breaks. This is how to publish a capability registry that can't lie to the clients reading it.","summary":"Method for publishing a versioned agent capability registry: inventory every callable tool with owner and version, write strict schemas with valid/invalid examples, declare authority and side effects explicitly, and run conformance tests that fail deployment on an undocumented breaking change.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://modelcontextprotocol.io/docs/2026-07-28/learn/architecture","https://spec.openapis.org/oas/latest.html","https://www.nist.gov/itl/ai-risk-management-framework"],"updated":"2026-08-23","tokenCount":2727},{"id":"human-approval-authority","title":"Human Approval and Action Authority","category":"AI & Agents","tags":["human-in-the-loop","approval-gates","agent-authority","audit-trail","agent-security"],"difficulty":"advanced","readMins":9,"teaser":"\"The agent asked for permission\" means nothing if the approval isn't bound to the exact action, target, amount, and time window it was granted for. This builds approval gates that actually hold up under replay and scope-creep.","summary":"Method for building enforceable human-approval gates for agent actions: bind each approval to a specific action, target, amount, scope, and expiration, separate advice/drafting/staging from external execution, and produce an audit record covering approved, denied, expired, and altered requests.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://pages.nist.gov/800-63-4/","https://www.nist.gov/itl/ai-risk-management-framework","https://genai.owasp.org/initiative/agentic-security-initiative/"],"updated":"2026-08-23","tokenCount":2650},{"id":"agent-memory-integrity","title":"Agent Memory and State Integrity","category":"AI & Agents","tags":["agent-memory","state-management","data-integrity","provenance","ai-agents"],"difficulty":"advanced","readMins":9,"teaser":"An agent that silently remembers something wrong is worse than one with no memory at all — it acts confidently on a fact nobody can trace back to its source. This makes agent memory attributable, correctable, and erasable by design.","summary":"Method for designing agent memory with integrity guarantees: attribute every stored fact to its source and time, scope memory to the right context, support correction and deletion without silent drift, and verify retrieved memory against current ground truth before acting on it.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://www.nist.gov/privacy-framework","https://genai.owasp.org/llmrisk/llm01-prompt-injection/","https://www.w3.org/TR/prov-overview/"],"updated":"2026-08-23","tokenCount":2609},{"id":"agent-planning-decomposition","title":"Agent Planning and Task Decomposition","category":"AI & Agents","tags":["agent-planning","task-decomposition","dependencies","agent-architecture","reliability"],"difficulty":"advanced","readMins":9,"teaser":"A broad goal handed straight to an agent turns into a plan nobody can verify step by step. This decomposes it into bounded, testable steps with explicit dependencies instead — so failure points to one step, not the whole run.","summary":"Method for decomposing an agent goal into a verifiable plan: break broad objectives into bounded, independently testable steps, declare explicit dependencies and ordering constraints, and detect plan failure at the step that actually broke rather than the run as a whole.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://www.nist.gov/itl/ai-risk-management-framework","https://www.workflowpatterns.com/","https://opentelemetry.io/docs/concepts/signals/traces/"],"updated":"2026-08-23","tokenCount":2571},{"id":"agent-cost-latency-budget","title":"Agent Cost, Latency, and Quality Budgeting","category":"AI & Agents","tags":["cost-optimization","latency","agent-budgets","observability","llm-ops"],"difficulty":"advanced","readMins":9,"teaser":"An agent with no budget will happily retry, re-call tools, and burn tokens until something else stops it. This puts real measured limits on model, tool, data, payment, and human-review cost before they become a surprise invoice.","summary":"Method for budgeting agent runs: measure actual cost and latency contribution per model call, tool call, data fetch, payment, and human-review step, set enforced budgets at each layer, and detect runs that blow through cost or latency limits before they complete.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://www.finops.org/framework/","https://opentelemetry.io/docs/concepts/signals/metrics/","https://airc.nist.gov/AI_RMF_Knowledge_Base/Playbook/Measure"],"updated":"2026-08-23","tokenCount":2630},{"id":"multi-agent-coordination","title":"Multi-Agent Coordination and Conflict Control","category":"AI & Agents","tags":["multi-agent-systems","coordination","conflict-resolution","shared-state","agent-architecture"],"difficulty":"advanced","readMins":9,"teaser":"Two agents editing the same resource without an ownership rule don't cooperate — they race. This sets up explicit ownership, shared state contracts, and a single auditable completion decision so multi-agent work doesn't quietly clobber itself.","summary":"Method for coordinating multiple specialized agents: assign explicit ownership over shared resources, define message contracts and conflict policy up front, and require one auditable decision that determines when a multi-agent task is actually complete.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://a2a-protocol.org/latest/","https://opentelemetry.io/docs/concepts/signals/baggage/","https://datatracker.ietf.org/doc/draft-ietf-httpapi-idempotency-key-header/"],"updated":"2026-08-23","tokenCount":2598},{"id":"agent-sandbox-execution","title":"Agent Sandbox and Untrusted Code Execution","category":"Security & OpSec","tags":["sandboxing","code-execution","agent-security","isolation","least-privilege"],"difficulty":"advanced","readMins":9,"teaser":"Running model-generated code with the same privileges as your own shell is how a plausible-looking script turns into a real incident. This builds the disposable, least-privileged sandbox that contains it instead.","summary":"Method for safely executing agent-generated or user-supplied code: run it in a disposable, least-privileged sandbox with no default network/filesystem/credential access, bound resource limits, and explicit escalation for any capability beyond pure computation.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://csrc.nist.gov/pubs/sp/800/190/final","https://kubernetes.io/docs/concepts/security/pod-security-standards/","https://cheatsheetseries.owasp.org/cheatsheets/Docker_Security_Cheat_Sheet.html"],"updated":"2026-08-23","tokenCount":2663},{"id":"browser-automation-reliability","title":"Reliable Browser Automation","category":"AI & Agents","tags":["browser-automation","web-scraping","reliability","agent-tools","selectors"],"difficulty":"advanced","readMins":9,"teaser":"A browser-automation script that worked yesterday breaking today because a button's CSS class changed is the most common failure in this space. This builds locators and navigation that survive normal site churn instead of shattering on it.","summary":"Method for reliable browser automation: use resilient, semantically-grounded locators instead of brittle CSS/XPath selectors, verify navigation state observably rather than assuming a click worked, and design retry/failure handling that distinguishes a slow page from a genuinely broken one.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://playwright.dev/docs/actionability","https://www.w3.org/TR/webdriver2/","https://owasp.org/www-project-automated-threats-to-web-applications/"],"updated":"2026-08-23","tokenCount":2630},{"id":"safe-outbound-messaging","title":"Safe Outbound Email and Messaging","category":"AI & Agents","tags":["agent-messaging","approval-workflow","email-automation","audit-trail","agent-security"],"difficulty":"advanced","readMins":9,"teaser":"An agent that can email or message a real person on your behalf needs a harder gate than \"looked reasonable to the model.\" This builds the generate-approve-send-reconcile pipeline that keeps a human genuinely in control of what goes out.","summary":"Method for safe agent-driven outbound communication: separate drafting from sending, require explicit approval before any message reaches a real recipient, reconcile what was actually sent against what was approved, and keep an auditable record of every person-directed message.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://pages.nist.gov/800-63-4/","https://www.ftc.gov/business-guidance/resources/can-spam-act-compliance-guide-business","https://csrc.nist.gov/publications/detail/sp/800-122/final"],"updated":"2026-08-23","tokenCount":2606},{"id":"durable-agent-workflows","title":"Scheduled and Durable Agent Workflows","category":"AI & Agents","tags":["durable-execution","workflow-orchestration","agent-reliability","scheduling","state-management"],"difficulty":"advanced","readMins":9,"teaser":"An agent workflow that dies with a crashed process and no memory of where it was isn't durable, it's fragile with extra steps. This gives long-running and recurring agent work real durable state and safe resumption.","summary":"Method for building durable agent workflows: persist explicit state and progress checkpoints so a crash or restart resumes correctly instead of duplicating or losing work, and handle recurring/long-lived jobs with deterministic timing and idempotent resumption.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://cloudevents.io/","https://docs.temporal.io/","https://vercel.com/docs/workflow"],"updated":"2026-08-23","tokenCount":2594},{"id":"source-ingestion-provenance","title":"Source Ingestion and Provenance Pipeline","category":"AI & Agents","tags":["data-ingestion","provenance","rag","licensing","data-pipeline"],"difficulty":"intermediate","readMins":9,"teaser":"A knowledge pipeline that can't say where a fact came from can't be trusted, corrected, or legally defended. This builds ingestion that keeps a traceable chain from every stored fact back to its exact source.","summary":"Method for ingesting files, APIs, feeds, and pages into a traceable corpus: record source, license, retrieval time, and version for every ingested item, and preserve that provenance chain through downstream chunking and indexing rather than losing it at the first transformation.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://www.w3.org/TR/prov-overview/","https://csrc.nist.gov/publications/detail/sp/1800-25/final","https://cheatsheetseries.owasp.org/cheatsheets/File_Upload_Cheat_Sheet.html"],"updated":"2026-08-23","tokenCount":2624},{"id":"document-ocr-quality","title":"Document Parsing, OCR, and Layout Quality","category":"AI & Agents","tags":["ocr","document-parsing","data-quality","layout-analysis","pdf-processing"],"difficulty":"intermediate","readMins":9,"teaser":"OCR that silently drops a table or misreads a decimal point doesn't fail loudly — it just quietly poisons everything built on top of it. This measures real character, word, and field accuracy by document type before you trust the output.","summary":"Method for validating document parsing and OCR quality: measure character/word error rate and table/field extraction accuracy against manually labeled representative pages, segmented by layout class, language, and scan quality, rather than trusting an aggregate accuracy score.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://pdfa.org/resource/iso-32000-pdf/","https://tesseract-ocr.github.io/tessdoc/","https://ocrmypdf.readthedocs.io/en/latest/"],"updated":"2026-08-23","tokenCount":2606},{"id":"retrieval-evaluation","title":"Embedding and Retrieval Evaluation","category":"AI & Agents","tags":["rag","retrieval-evaluation","embeddings","reranking","search-quality"],"difficulty":"advanced","readMins":9,"teaser":"A RAG system that \"seems to work\" in a demo can still be silently missing the right document on real queries. This actually measures lexical, vector, hybrid, and reranked retrieval against ground truth instead of eyeballing a few examples.","summary":"Method for evaluating retrieval quality in a RAG pipeline: build a labeled query/relevant-document set, measure lexical, vector, hybrid, and reranked/filtered retrieval against it with precision/recall-style metrics, and use the results to choose a retrieval strategy on evidence instead of intuition.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://trec.nist.gov/","https://arxiv.org/abs/2104.08663","https://docs.opensearch.org/latest/search-plugins/search-relevance/"],"updated":"2026-08-23","tokenCount":2579},{"id":"knowledge-freshness-deletion","title":"Knowledge Freshness, Correction, and Deletion","category":"AI & Agents","tags":["knowledge-management","data-freshness","deletion","rag","versioning"],"difficulty":"intermediate","readMins":9,"teaser":"An outdated fact sitting in a knowledge base doesn't announce itself — it just gets retrieved and stated confidently until someone notices it's wrong. This keeps a knowledge product current by tracking effective dates, supersession, and real deletion.","summary":"Method for keeping a knowledge product current: track effective dates and supersession relationships between facts, propagate corrections to every place a superseded fact was indexed, and implement deletion that actually removes retrievable content rather than leaving it reachable through a stale cache or index.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://www.w3.org/TR/prov-overview/","https://www.nist.gov/privacy-framework","https://www.rfc-editor.org/rfc/rfc9111"],"updated":"2026-08-23","tokenCount":2547},{"id":"entity-resolution-dedup","title":"Entity Resolution and Deduplication","category":"AI & Agents","tags":["entity-resolution","deduplication","data-quality","record-linkage","data-pipeline"],"difficulty":"advanced","readMins":9,"teaser":"Merging two records that happen to look similar can silently combine two different customers' histories — a worse failure than not deduplicating at all. This matches real entities without merging on a coincidence.","summary":"Method for entity resolution and deduplication: match records referring to the same real-world entity using multiple corroborating signals rather than a single fuzzy match, distinguish confident merges from uncertain candidates requiring review, and keep a reversible audit trail of every merge decision.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://www.nist.gov/publications/entity-resolution","https://www.census.gov/topics/research/guidance/record-linkage.html","https://www.nist.gov/privacy-framework"],"updated":"2026-08-23","tokenCount":2557},{"id":"api-backpressure","title":"API Rate Limit and Backpressure Control","category":"Self-Hosting & Infra","tags":["rate-limiting","backpressure","api-reliability","load-shedding","concurrency"],"difficulty":"advanced","readMins":9,"teaser":"An API with no backpressure doesn't fail gracefully under load — it just falls over and takes every client down with it. This puts explicit quotas, concurrency limits, and load-shedding in place before that first traffic spike.","summary":"Method for protecting a service from overload: set explicit per-client quotas and concurrency limits, apply load-shedding and queueing policy before resource exhaustion, and return honest rate-limit signals so well-behaved clients back off instead of retry-storming a struggling service.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://www.rfc-editor.org/rfc/rfc6585","https://www.rfc-editor.org/rfc/rfc9110","https://sre.google/sre-book/handling-overload/"],"updated":"2026-08-23","tokenCount":2571},{"id":"queue-event-reliability","title":"Queue and Event Delivery Reliability","category":"Self-Hosting & Infra","tags":["message-queues","event-driven","at-least-once-delivery","idempotency","distributed-systems"],"difficulty":"advanced","readMins":9,"teaser":"At-least-once delivery means your consumer WILL see duplicate events eventually — the only question is whether you designed for that or discovered it in production. This processes queue events without silent loss or double-processing.","summary":"Method for reliable event/queue processing under at-least-once delivery: deduplicate by a stable event identifier, make consumers idempotent so redelivery doesn't double-apply an effect, and detect silent message loss rather than assuming the queue guarantees exactly-once.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://cloudevents.io/","https://kafka.apache.org/documentation/#semantics","https://aws.amazon.com/builders-library/timeouts-retries-and-backoff-with-jitter/"],"updated":"2026-08-23","tokenCount":2582},{"id":"database-migration-rollback","title":"Database Migration and Rollback","category":"Self-Hosting & Infra","tags":["database-migrations","rollback","schema-changes","zero-downtime","postgresql"],"difficulty":"advanced","readMins":9,"teaser":"A schema migration that can't be rolled back turns a bad deploy into a multi-hour incident instead of a five-minute revert. This changes production schemas and data through compatible phases that always leave a way back.","summary":"Method for safe database migrations: change schema and data through backward-compatible phases (additive change, dual-write/backfill, cutover, cleanup) rather than one destructive step, measure each phase's actual effect before proceeding, and keep a tested rollback path at every stage.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://www.postgresql.org/docs/current/sql-altertable.html","https://www.postgresql.org/docs/current/backup.html","https://docs.aws.amazon.com/prescriptive-guidance/latest/database-migration-best-practices/welcome.html"],"updated":"2026-08-23","tokenCount":2584},{"id":"backup-restore-drill","title":"Backup and Restore Drill","category":"Self-Hosting & Infra","tags":["backups","disaster-recovery","restore-testing","data-protection","self-hosting"],"difficulty":"intermediate","readMins":9,"teaser":"A backup nobody has ever restored from is a belief, not a backup. This proves — on a real schedule, not just once — that your files, databases, configs, and credentials actually come back the way you'd need them to.","summary":"Method for validating backups: run a scheduled restore drill that actually rebuilds critical files, databases, configuration, and credentials from the backup rather than only checking that a backup job completed, and treat an unverified backup as an unconfirmed recovery plan.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://www.cisa.gov/news-events/news/data-backup-options","https://csrc.nist.gov/pubs/sp/800/34/r1/upd1/final","https://www.postgresql.org/docs/current/backup.html"],"updated":"2026-08-23","tokenCount":2568},{"id":"incident-timeline-evidence","title":"Incident Timeline and Root-Cause Evidence","category":"Security & OpSec","tags":["incident-response","root-cause-analysis","forensics","logging","postmortem"],"difficulty":"advanced","readMins":9,"teaser":"A postmortem built from memory a week later gets the order of events wrong more often than anyone likes to admit. This builds a defensible timeline directly from logs, traces, alerts, and deploys while the evidence is still there.","summary":"Method for constructing a defensible incident timeline: correlate logs, traces, alerts, and deployment events by timestamp and causal link rather than by recollection, distinguish the triggering change from consequential failures, and preserve the evidence chain for an accurate root-cause writeup.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://csrc.nist.gov/pubs/sp/800/61/r3/final","https://www.cisa.gov/news-events/news/federal-government-cybersecurity-incident-and-vulnerability-response-playbooks","https://opentelemetry.io/docs/concepts/signals/traces/"],"updated":"2026-08-23","tokenCount":2596},{"id":"ubuntu-vps-baseline","title":"Ubuntu VPS Production Baseline","category":"Linux & Systems","tags":["ubuntu","vps","hardening","server-setup","least-privilege"],"difficulty":"intermediate","readMins":9,"teaser":"A fresh VPS with the default root-only setup and no patching plan is a liability from the first day it's live. This turns it into a documented, least-privileged, observable host — without locking yourself out in the process.","summary":"Baseline method for a fresh Ubuntu VPS: apply patching and least-privilege user/access setup, configure observability and firewall rules, and verify recoverability, all while preserving a tested path back in for the operator so hardening never becomes a lockout.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://documentation.ubuntu.com/server/","https://ubuntu.com/security/notices","https://www.cisecurity.org/benchmark/ubuntu_linux"],"updated":"2026-08-23","tokenCount":2699},{"id":"ssh-lockout-recovery","title":"SSH Lockout Recovery and Hardening","category":"Linux & Systems","tags":["ssh","server-access","lockout-recovery","hardening","linux"],"difficulty":"intermediate","readMins":9,"teaser":"Getting locked out of your own server after a config change is one of the most common self-inflicted outages in ops. This recovers access without weakening the host broadly, then hardens it properly the second time.","summary":"Method for recovering from an SSH lockout and hardening access afterward: regain access through a provider console or recovery path rather than broadly reopening the host, identify the exact config or key/permission change that caused the lockout, and re-harden authentication without reintroducing the same failure mode.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://www.openssh.com/manual.html","https://documentation.ubuntu.com/server/how-to/security/openssh-server/","https://csrc.nist.gov/publications/detail/ir/7966/final"],"updated":"2026-08-23","tokenCount":2612},{"id":"database-connection-exhaustion","title":"Database Connection Exhaustion","category":"Self-Hosting & Infra","tags":["database","connection-pooling","troubleshooting","postgresql","scaling"],"difficulty":"intermediate","readMins":9,"teaser":"\"Too many connections\" errors under load are almost never fixed by just raising the connection limit — that just delays the same wall. This separates a real pool-sizing problem from a leak before touching any config.","summary":"Method for diagnosing database connection exhaustion: distinguish a genuine capacity/pool-sizing problem from a connection leak or runaway concurrency, measure actual connection lifecycle and hold time per caller, and apply the fix that matches the measured cause rather than just raising the connection limit.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://www.postgresql.org/docs/current/monitoring-stats.html","https://www.postgresql.org/docs/current/runtime-config-resource.html","https://www.pgbouncer.org/usage.html"],"updated":"2026-08-23","tokenCount":2597},{"id":"cache-integrity-invalidation","title":"Cache Integrity and Safe Invalidation","category":"Self-Hosting & Infra","tags":["caching","cache-invalidation","data-integrity","web-performance","consistency"],"difficulty":"advanced","readMins":9,"teaser":"A cache that serves one user's data to another, or a stale price after an update, breaks trust faster than any slow page ever did. This uses caching without those failure modes creeping in unnoticed.","summary":"Method for safe cache use: key cache entries so they can never leak across users or authorization boundaries, invalidate deterministically on the actual write path rather than a fixed TTL guess, and detect stale or corrupted cache entries before they reach a real request.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://www.rfc-editor.org/rfc/rfc9111","https://redis.io/docs/latest/operate/oss_and_stack/management/optimization/","https://owasp.org/www-community/attacks/Cache_Poisoning"],"updated":"2026-08-23","tokenCount":2519},{"id":"cicd-deployment-recovery","title":"CI/CD Failed Deployment Recovery","category":"Self-Hosting & Infra","tags":["cicd","deployment","rollback","devops","release-management"],"difficulty":"intermediate","readMins":9,"teaser":"A failed deploy at 2am is a bad night; a failed deploy with no clear rollback is a bad week. This identifies whether a broken release is a build, artifact, config, or environment problem, and gets you back to known-good fast.","summary":"Method for recovering from a failed deployment: classify the failure as a build, artifact, configuration, or environment mismatch using the pipeline's own evidence, roll back to the last known-good release deterministically, and confirm the rollback actually restores service before investigating the root cause further.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://slsa.dev/","https://docs.github.com/en/actions/security-guides/security-hardening-for-github-actions","https://kubernetes.io/docs/concepts/workloads/controllers/deployment/"],"updated":"2026-08-23","tokenCount":2560},{"id":"secret-rotation","title":"Credential and Secret Rotation","category":"Security & OpSec","tags":["secret-rotation","credential-management","security","key-management","opsec"],"difficulty":"intermediate","readMins":9,"teaser":"A password or API key that's never rotated is a standing liability that gets worse every day it's untouched. This rotates passwords, keys, tokens, certificates, and wallet credentials without a service-interrupting scramble.","summary":"Method for rotating credentials safely: stage new secrets alongside old ones during a transition window, confirm every consumer has adopted the new credential before revoking the old one, and handle passwords, API keys, tokens, certificates, and wallet keys with rotation procedures matched to each type's actual constraints.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://pages.nist.gov/800-63-4/","https://cheatsheetseries.owasp.org/cheatsheets/Secrets_Management_Cheat_Sheet.html","https://www.cisa.gov/securebydesign"],"updated":"2026-08-23","tokenCount":2604},{"id":"logging-privacy-retention","title":"Logging, Privacy, and Retention","category":"Security & OpSec","tags":["logging","data-privacy","retention-policy","compliance","opsec"],"difficulty":"intermediate","readMins":9,"teaser":"Logging \"everything, just in case\" quietly turns your logs into the biggest privacy liability in the stack. This collects enough to actually diagnose and audit systems without logs becoming an unmanaged data-retention problem.","summary":"Method for logging with privacy and retention discipline: log the minimum needed for diagnosis and audit, redact or exclude sensitive fields at the point of write rather than after the fact, and set explicit retention and deletion policy so logs don't become an unbounded, unaccountable data store.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://csrc.nist.gov/pubs/sp/800/92/final","https://cheatsheetseries.owasp.org/cheatsheets/Logging_Cheat_Sheet.html","https://opentelemetry.io/docs/concepts/signals/logs/"],"updated":"2026-08-23","tokenCount":2592},{"id":"object-storage-recovery","title":"Object Storage Integrity and Recovery","category":"Self-Hosting & Infra","tags":["object-storage","s3","data-recovery","backups","self-hosting"],"difficulty":"intermediate","readMins":9,"teaser":"An accidental overwrite or delete in object storage is permanent the moment it happens unless you planned for it in advance. This protects files and generated artifacts with real recoverability, not just redundancy.","summary":"Method for protecting object storage: apply least-privilege access and versioning/retention policy so overwrites and deletes are recoverable, verify that recovery actually works against a real accidental-deletion scenario, and separate redundancy (surviving hardware failure) from recoverability (surviving a mistake).","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://docs.aws.amazon.com/AmazonS3/latest/userguide/DataDurability.html","https://cloud.google.com/storage/docs/data-protection","https://cheatsheetseries.owasp.org/cheatsheets/File_Upload_Cheat_Sheet.html"],"updated":"2026-08-23","tokenCount":2610},{"id":"web-performance-vitals","title":"Web Performance and Core Web Vitals","category":"Web & Domains","tags":["core-web-vitals","web-performance","page-speed","lighthouse","seo"],"difficulty":"intermediate","readMins":9,"teaser":"A site that feels fast to you on a fiber connection with a warm cache can still fail Core Web Vitals for real visitors. This traces actual loading, interaction, and layout-stability problems back to their real cause.","summary":"Method for improving real-user Core Web Vitals: trace loading, interaction responsiveness, and layout stability problems to their actual cause (render-blocking resources, unoptimized images, layout shift from late-loading content, main-thread contention) using field data, not just a single lab score.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://web.dev/articles/vitals","https://developer.chrome.com/docs/devtools/performance/","https://www.w3.org/webperf/"],"updated":"2026-08-23","tokenCount":2613},{"id":"pwa-offline-reliability","title":"Progressive Web App Offline Reliability","category":"Web & Domains","tags":["pwa","service-workers","offline-first","caching","web-reliability"],"difficulty":"advanced","readMins":9,"teaser":"A PWA that only works with a perfect connection isn't really offline-capable, it just has a service worker file. This makes an installable web app genuinely resilient to poor or absent connectivity, not just technically eligible for the badge.","summary":"Method for building a reliable offline-capable PWA: design service-worker caching strategy around what actually needs to work offline, handle sync and conflict resolution when connectivity returns, and test against real poor-connectivity conditions rather than only a fully-offline toggle in devtools.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://developer.mozilla.org/en-US/docs/Web/Progressive_web_apps","https://www.w3.org/TR/service-workers/","https://web.dev/articles/offline-cookbook"],"updated":"2026-08-23","tokenCount":2642},{"id":"saas-unit-economics","title":"SaaS Pricing and Unit Economics","category":"Business & Operations","tags":["pricing","unit-economics","saas","cost-to-serve","margin"],"difficulty":"intermediate","readMins":9,"teaser":"Pricing a service off what competitors charge tells you nothing about whether you'll make money serving it. This prices from delivered value and full cost-to-serve instead — support burden and usage risk included, not left out.","summary":"Method for pricing a software or agent service from unit economics: calculate full cost-to-serve including support burden and usage risk, price from delivered value rather than competitor benchmarks, and model margin at realistic usage patterns instead of the best-case customer.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://www.sba.gov/business-guide/manage-your-business/set-prices","https://www.finops.org/framework/","https://www.ftc.gov/business-guidance/advertising-marketing"],"updated":"2026-08-23","tokenCount":2658},{"id":"productized-service-scope","title":"Productized Service Scope and Pricing","category":"Business & Operations","tags":["productized-services","service-scoping","pricing","freelancing","agency-ops"],"difficulty":"intermediate","readMins":9,"teaser":"Custom-quoting every project keeps the business dependent on you personally closing every deal. This turns repeatable technical work into a fixed-scope, fixed-price offer with a defined result — the kind that sells itself.","summary":"Method for productizing a custom service: define a fixed scope, defined deliverable, and fixed price for repeatable work, draw an explicit boundary around what's included versus billed as a change order, and structure the offer so it can be sold and delivered without a custom quote each time.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://www.sba.gov/business-guide/manage-your-business/set-prices","https://www.nist.gov/itl/ssd/software-quality-group","https://www.ftc.gov/business-guidance"],"updated":"2026-08-23","tokenCount":2593},{"id":"client-qualification-discovery","title":"Client Qualification and Paid Discovery","category":"Business & Operations","tags":["client-qualification","discovery-calls","sales-process","scope-creep","agency-ops"],"difficulty":"intermediate","readMins":9,"teaser":"The projects that turn into nightmares almost always had a warning sign in the first call — a fuzzy budget, no real authority to decide, or a timeline nobody actually committed to. This catches it before the contract, not after.","summary":"Method for qualifying a prospect before quoting: determine actual problem, budget, decision authority, and timeline in a structured paid-discovery process, and identify the specific mismatches (vague budget, absent authority, unrealistic timeline) that predict a project going badly before signing anything.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://www.ftc.gov/business-guidance/small-businesses","https://www.sba.gov/business-guide/manage-your-business/prepare-your-business-emergencies","https://www.cisa.gov/topics/cyber-threats-and-advisories/supply-chain"],"updated":"2026-08-23","tokenCount":2666},{"id":"sow-acceptance-matrix","title":"Statement of Work and Acceptance Matrix","category":"Business & Operations","tags":["statement-of-work","contracts","acceptance-criteria","scope-management","client-delivery"],"difficulty":"intermediate","readMins":9,"teaser":"\"We'll know it when we see it\" is how a finished project turns into an unpaid argument about scope. This translates a project promise into deliverables, responsibilities, and acceptance criteria specific enough that everyone agrees when it's actually done.","summary":"Method for writing a statement of work that prevents scope disputes: translate the project promise into explicit deliverables, environment/responsibility boundaries, and objective per-deliverable acceptance criteria, so completion is a checklist match rather than a subjective judgment call.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://www.nist.gov/itl/ssd/software-quality-group","https://www.copyright.gov/circs/circ01.pdf","https://www.ftc.gov/business-guidance"],"updated":"2026-08-23","tokenCount":2616},{"id":"invoice-collection-evidence","title":"Invoice, Collection, and Payment Evidence","category":"Business & Operations","tags":["invoicing","collections","payment-terms","client-delivery","small-business"],"difficulty":"intermediate","readMins":9,"teaser":"An unpaid invoice with no delivery record and no clear payment terms is very hard to collect on and even harder to escalate. This builds the accurate invoice, delivery/acceptance evidence, and follow-up sequence that makes getting paid the default outcome.","summary":"Method for invoicing and collecting payment: create invoices with accurate scope references and clear terms, document delivery and client acceptance as it happens rather than after a dispute starts, and run a structured follow-up sequence with defined escalation points for late payment.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://www.sba.gov/business-guide/manage-your-business/manage-your-finances","https://consumer.ftc.gov/articles/debt-collection-faqs","https://www.irs.gov/businesses/small-businesses-self-employed/recordkeeping"],"updated":"2026-08-23","tokenCount":2703},{"id":"digital-product-delivery","title":"Digital Product Delivery and Licensing","category":"Business & Operations","tags":["digital-products","licensing","product-delivery","e-commerce","small-business"],"difficulty":"intermediate","readMins":9,"teaser":"Selling a file, guide, or dataset without clear licensing and a real delivery record is how refund disputes and piracy both get harder to handle. This sells and delivers digital products with the paper trail to back up both sides.","summary":"Method for selling and delivering digital products (files, guides, code, data, templates, media): attach explicit license terms to each sale, generate a verifiable delivery record tied to the transaction, and set a refund/access-revocation policy that's defined before the first dispute, not during it.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://www.copyright.gov/what-is-copyright/","https://spdx.org/licenses/","https://www.ftc.gov/business-guidance/advertising-marketing"],"updated":"2026-08-23","tokenCount":2575},{"id":"lead-consent-suppression","title":"Lead Source, Consent, and Suppression","category":"Business & Operations","tags":["lead-generation","consent-management","suppression-lists","compliance","outreach"],"difficulty":"intermediate","readMins":9,"teaser":"A lead list with no consent record and no suppression list turns outreach into a compliance liability the moment someone complains. This builds lead data and outreach workflows that preserve consent and honor opt-outs by default.","summary":"Method for compliant lead generation and outreach: preserve source and consent basis for every lead record, maintain and actually check a suppression list before every send, and structure outreach workflows so an opt-out or complaint permanently removes a contact rather than just pausing one campaign.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://www.ftc.gov/business-guidance/privacy-security","https://www.ftc.gov/business-guidance/resources/can-spam-act-compliance-guide-business","https://www.fcc.gov/consumers/guides"],"updated":"2026-08-23","tokenCount":2635},{"id":"support-triage-resolution","title":"Customer Support Triage and Resolution","category":"Business & Operations","tags":["customer-support","triage","incident-priority","support-ops","small-business"],"difficulty":"intermediate","readMins":9,"teaser":"\"It's broken\" from a customer tells you nothing actionable until someone turns it into a reproducible report with a real priority. This triages vague reports into prioritized, safely-resolvable tickets instead of guessing at urgency.","summary":"Method for support triage: convert a vague customer report into a reproducible description with severity and impact, apply a consistent priority framework instead of first-come-first-served or loudest-customer-first, and resolve safely without changes that risk other customers' working setups.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://csrc.nist.gov/pubs/sp/800/61/r3/final","https://www.axelos.com/certifications/itil-service-management","https://www.cisa.gov/secure-our-world"],"updated":"2026-08-23","tokenCount":2543},{"id":"slo-sla-calculator","title":"Service Level Objective and SLA Calculator","category":"Business & Operations","tags":["sla","slo","reliability-engineering","error-budgets","service-contracts"],"difficulty":"advanced","readMins":9,"teaser":"Promising \"99.9% uptime\" without doing the error-budget math first is how a service contract turns into a penalty clause you can't actually meet. This sets reliability commitments from real user journeys and measured error budgets.","summary":"Method for setting realistic SLOs and SLAs: derive targets from actual critical user journeys rather than a round marketing number, calculate the error budget a given target actually allows, and set contractual SLA commitments only after confirming the underlying SLO is consistently achievable.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://sre.google/workbook/implementing-slos/","https://www.nist.gov/topics/resilience","https://www.ftc.gov/business-guidance/advertising-marketing"],"updated":"2026-08-23","tokenCount":2679},{"id":"vendor-api-dependency-risk","title":"Vendor and API Dependency Risk","category":"Business & Operations","tags":["vendor-risk","api-dependencies","third-party-risk","business-continuity","due-diligence"],"difficulty":"intermediate","readMins":9,"teaser":"Building a business on a vendor API with no fallback plan means their outage, price change, or shutdown becomes your emergency. This evaluates and contains that dependency risk before it's load-bearing.","summary":"Method for evaluating vendor and API dependency risk: assess operational, security, privacy, financial, and legal exposure from a third-party dependency, and define a contingency or migration plan before the dependency becomes critical-path, not after an outage or policy change forces it.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://csrc.nist.gov/pubs/sp/800/161/r1/final","https://www.cisa.gov/topics/cyber-threats-and-advisories/information-communications-technology-supply-chain-risk-management","https://www.ftc.gov/business-guidance/privacy-security"],"updated":"2026-08-23","tokenCount":2635},{"id":"solana-launch-monitor","title":"Solana Token Launch Monitor","category":"Solana","tags":["solana","token-launches","real-time-monitoring","on-chain-data","rpc"],"difficulty":"advanced","readMins":9,"teaser":"Catching a new Solana token launch seconds after it happens requires more than a websocket subscription — duplicate events, missed slots, and conflicting authority reads will all quietly corrupt your feed. This normalizes launch detection into something you can actually trust.","summary":"Method for detecting and normalizing new Solana token and market launch events: capture source, slot, and signature for every event, verify authority and liquidity state directly rather than trusting a single feed, and deduplicate and score confidence so downstream consumers get one reliable delivery per real event.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://solana.com/docs/rpc/websocket","https://solana.com/docs/core/transactions","https://solana.com/docs/rpc#configuring-state-commitment"],"updated":"2026-08-23","tokenCount":2676},{"id":"crosschain-wallet-monitor","title":"Cross-Chain Wallet Activity Monitor","category":"Wallets & Self-Custody","tags":["wallet-monitoring","cross-chain","solana","evm","on-chain-alerts"],"difficulty":"advanced","readMins":9,"teaser":"Watching your own wallets across Solana and EVM chains sounds simple until you're drowning in false alerts or missing the one transaction that actually mattered. This tracks authorized wallet activity across chains without either failure mode.","summary":"Method for monitoring authorized wallet activity across Solana and EVM networks: normalize events from chain-specific formats into one comparable model, filter for materiality instead of alerting on every transaction, and reconcile activity across chains to a single accurate view of wallet state.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://chainagnostic.org/CAIPs/caip-2","https://ethereum.org/developers/apis/json-rpc/","https://solana.com/docs/rpc"],"updated":"2026-08-23","tokenCount":2671},{"id":"dex-pool-health","title":"DEX Liquidity Pool Health","category":"On-chain & DeFi","tags":["dex","liquidity-pools","defi","solana-defi","due-diligence"],"difficulty":"intermediate","readMins":9,"teaser":"A liquidity pool that looks fine on a price chart can still be effectively unusable — locked, one-sided, or too shallow to exit a real position. This checks whether a pool is actually identifiable, usable, and withdrawable before you rely on it.","summary":"Method for evaluating DEX liquidity pool health: confirm the pool is correctly identified and not confused with a similarly-named one, check whether liquidity is genuinely withdrawable versus locked or one-sided, and measure real usable depth against the position size you actually intend to trade.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://solana.com/docs/programs","https://docs.orca.so/","https://docs.uniswap.org/concepts/protocol/concentrated-liquidity"],"updated":"2026-08-23","tokenCount":2729},{"id":"meme-token-risk-plan","title":"Meme Token Entry and Exit Risk Plan","category":"Solana","tags":["meme-tokens","risk-management","solana","position-sizing","exit-planning"],"difficulty":"beginner","readMins":10,"teaser":"Buying a meme token with no exit plan and no predetermined max loss is how a small bet turns into a story you don't want to tell. This converts a speculative idea into a precommitted risk plan before a single dollar goes in.","summary":"Method for planning a meme-token speculative position: set a precommitted maximum loss and position size before entry, define liquidity and exit conditions in advance rather than deciding under pressure, and treat the plan as fixed once capital is committed instead of moving the goalposts mid-trade.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://www.cftc.gov/LearnAndProtect/AdvisoriesAndArticles/CustomerAdvisory_CustomerAdvisory_PumpandDump0218","https://www.investor.gov/introduction-investing/general-resources/news-alerts/alerts-bulletins","https://consumer.ftc.gov/articles/what-know-about-cryptocurrency-and-scams"],"updated":"2026-08-23","tokenCount":2809},{"id":"whale-signal-validation","title":"Whale Signal Validation","category":"Solana","tags":["whale-tracking","on-chain-signals","solana","market-analysis","due-diligence"],"difficulty":"intermediate","readMins":9,"teaser":"\"A whale just bought\" is one of the most overused and least verified signals in crypto — it could be a real accumulation, an internal transfer, or a wash trade dressed up to look meaningful. This checks whether it's actually real, attributable, and material before anyone acts on it.","summary":"Method for validating a large-wallet on-chain signal: confirm the action is real settled activity rather than a pending or reversed transaction, attribute it to a genuine external actor rather than an internal wallet shuffle, and assess whether the size is actually material relative to the token's real liquidity.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://solana.com/docs/core/transactions","https://ethereum.org/developers/docs/transactions/","https://www.investor.gov/introduction-investing/general-resources/news-alerts/alerts-bulletins/investor-alerts/social-sentiment-investing-tools-th"],"updated":"2026-08-23","tokenCount":2688},{"id":"airdrop-claim-verification","title":"Airdrop and Claim Scam Verification","category":"Wallets & Self-Custody","tags":["airdrop-scams","phishing","wallet-safety","solana","claim-verification"],"difficulty":"beginner","readMins":9,"teaser":"An airdrop claim page asking for a wallet connection and a signature is exactly how most wallet drains start — and the fake ones are built to look identical to the real thing. This verifies a claim is legitimate before any wallet interaction happens.","summary":"Method for verifying whether an airdrop, reward, NFT claim, or migration message is legitimate: confirm the claim originates from the project's verified official channel, check for signature/permission requests that exceed what a genuine claim needs, and treat any wallet-drain-risk indicator as a stop condition before connecting a wallet.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://consumer.ftc.gov/articles/what-know-about-cryptocurrency-and-scams","https://www.cisa.gov/secure-our-world/recognize-and-report-phishing","https://ethereum.org/security/"],"updated":"2026-08-23","tokenCount":2752},{"id":"stablecoin-depeg-risk","title":"Stablecoin Network and Depeg Risk","category":"On-chain & DeFi","tags":["stablecoins","depeg-risk","defi","issuer-risk","due-diligence"],"difficulty":"intermediate","readMins":9,"teaser":"Not all \"stablecoins\" are backed, redeemable, or even the token you think they are — ticker symbols get reused and wrapped versions multiply fast. This evaluates a stablecoin by its exact contract, issuer, and redemption terms instead of its name.","summary":"Method for evaluating stablecoin depeg and network risk: identify the exact contract or mint rather than trusting a ticker symbol, verify issuer redemption terms and reserve transparency, and assess network-specific wrapped/bridged versions separately since they don't share the same risk profile as the native issuance.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://www.federalreserve.gov/publications/money-and-payments-discussion-paper.htm","https://www.investor.gov/additional-resources/spotlight/crypto-assets","https://consumer.ftc.gov/articles/what-know-about-cryptocurrency-and-scams"],"updated":"2026-08-23","tokenCount":2717},{"id":"exchange-withdrawal-troubleshooter","title":"Exchange Deposit and Withdrawal Troubleshooter","category":"Crypto Basics","tags":["exchange-withdrawals","crypto-basics","troubleshooting","wallet-transfers","due-diligence"],"difficulty":"beginner","readMins":9,"teaser":"A withdrawal stuck in \"pending,\" an unsupported network, or a hold you didn't expect all look like the same panic from the outside but need completely different fixes. This sorts out which one you're actually dealing with.","summary":"Method for troubleshooting a stuck or failed exchange withdrawal: distinguish an account hold, an unsupported destination network, a missing memo/tag, and normal processing delay from each other using the exchange's own evidence, and identify the correct fix for each rather than resubmitting the same withdrawal repeatedly.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://consumer.ftc.gov/articles/what-know-about-cryptocurrency-and-scams","https://ethereum.org/developers/docs/transactions/","https://solana.com/docs/core/transactions"],"updated":"2026-08-23","tokenCount":2749},{"id":"solana-fee-mev-execution","title":"Solana Priority Fee and MEV Execution","category":"Solana","tags":["solana","priority-fees","mev","transaction-execution","slippage"],"difficulty":"advanced","readMins":9,"teaser":"Overpaying on priority fees doesn't guarantee inclusion, and underpaying guarantees you'll lose the race — most people are guessing at both. This measures actual inclusion, compute, fees, and slippage to execute Solana transactions on evidence instead.","summary":"Method for measuring and improving Solana transaction execution: track actual inclusion rate, compute unit consumption, priority fee paid, and realized slippage against intended values, and use that measured data to set fee and compute policy instead of a fixed guess that either overpays or loses the race.","price":null,"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","sources":["https://solana.com/docs/core/fees","https://solana.com/docs/core/transactions","https://solana.com/docs/rpc/http/simulatetransaction"],"updated":"2026-08-23","tokenCount":2735}]