[{"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":8,"teaser":"Turn a vague Ubuntu error into an evidence-based diagnosis instead of guessing. This guide walks through reproducing the failure, isolating the real layer (storage, permissions, packages, systemd, or kernel), making the smallest safe correction, and proving it actually worked.","summary":"A structured method for diagnosing Ubuntu failures: an evidence-to-decision map covering storage, permissions, packages, systemd, and kernel/driver layers; a six-step reproduce-isolate-test-correct-verify procedure; a worked 502 Bad Gateway example; and a reusable incident handoff record format.","price":10000,"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":1700,"webAccess":"free"},{"id":"repo-to-running-service","title":"Repo-to-Running-Service Guide","category":"Self-Hosting & Infra","tags":["deployment","reproducibility","devops","onboarding","runbooks"],"difficulty":"intermediate","readMins":8,"teaser":"Convert an unfamiliar repository into a working, reproducible local service — without blindly trusting install scripts or guessing dependencies that aren't documented anywhere.","summary":"A clean-room method for taking an unfamiliar repository to a healthy local service: fingerprinting the repo without executing it, writing an explicit environment contract, installing from the lockfile exactly, running build/migrate/start as separate stages, and converting the result into a reproducible runbook.","price":10000,"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":1750,"webAccess":"free"},{"id":"dns-tls-deployment-triage","title":"DNS, TLS and Deployment Triage","category":"Web & Domains","tags":["dns","tls","ssl","deployment","troubleshooting"],"difficulty":"intermediate","readMins":8,"teaser":"A hostname is down, has cert warnings, or works at the provider URL but not at your custom domain. Trace it hop-by-hop — authoritative DNS, recursive resolution, TLS/SNI, reverse proxy, origin — instead of changing five settings at once.","summary":"A hop-by-hop diagnostic for domain/hosting failures: authoritative vs recursive DNS, TLS/SNI verification with openssl and curl --resolve, distinguishing 502 (proxy reached, upstream failed) from 504 (timeout), and a worked apex-certificate-warning example.","price":10000,"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":1700,"webAccess":"free"},{"id":"api-error-resolver","title":"API Error Resolver","category":"Self-Hosting & Infra","tags":["api","http","debugging","cors","rest"],"difficulty":"intermediate","readMins":8,"teaser":"An API call fails, works in curl but not the browser, or returns an ambiguous 4xx/5xx. Reduce it to one sanitized request and classify the failing layer — transport, auth, request contract, authorization, rate limit, or server — before touching anything.","summary":"A method for resolving API failures: reduce to one sanitized wire-level request, classify by HTTP status class before editing anything, validate the request contract byte-for-byte, separate authentication from authorization failures, control retries around idempotency, and convert the fix into a regression test. Includes a worked CORS-preflight example.","price":10000,"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":1750,"webAccess":"free"},{"id":"x402-paid-endpoint","title":"x402 Paid Endpoint Builder","category":"AI & Agents","tags":["x402","agent-payments","api-monetization","usdc","discovery"],"difficulty":"advanced","readMins":10,"teaser":"Design a discoverable paid HTTP resource with explicit price, network, schema, payment verification, idempotency, and safe fulfillment boundaries — the full path from a working 402 challenge to a mainnet-safe, profitable endpoint.","summary":"A build method for x402-payable endpoints: defining the paid unit and free preview, choosing scheme/network/asset/price, implementing the unpaid 402 challenge, verifying and settling before irreversible fulfillment, making retries idempotency-safe, publishing discovery metadata, and passing a full negative-test gate before mainnet. Includes a worked margin-negative pricing example.","price":10000,"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":2100,"webAccess":"free"},{"id":"openapi-to-mcp","title":"REST/OpenAPI-to-MCP Adapter Guide","category":"AI & Agents","tags":["mcp","openapi","api-integration","tool-design","agent-security"],"difficulty":"advanced","readMins":8,"teaser":"Turning a REST API into MCP tools isn't a mechanical translation — expose every endpoint automatically and you hand an agent admin/delete authority it never needed. This guide walks through selecting operations, designing strict schemas, and enforcing authorization server-side.","summary":"A procedure for converting selected REST/OpenAPI operations into safe MCP tools: choosing which operations to expose (never all of them), designing strict schemas with bounded inputs, keeping credentials and identity out of model-controlled arguments, normalizing errors/pagination, and testing through a real MCP client rather than unit tests alone.","price":10000,"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":1550,"webAccess":"free"},{"id":"tool-schema-optimizer","title":"Tool Schema Optimizer","category":"AI & Agents","tags":["mcp","tool-design","json-schema","agent-evaluation","prompt-engineering"],"difficulty":"advanced","readMins":7,"teaser":"When agents keep picking the wrong tool or sending invalid arguments, the fix usually isn't a longer description — it's removing overlap and simplifying the schema. This guide walks through building an eval baseline and measurably improving tool selection and first-call validity.","summary":"A measurement-driven procedure for rewriting an MCP tool catalog: building an intent/error baseline before changing anything, removing overlapping tools, rewriting names and descriptions around action-object clarity and explicit non-use cases, simplifying parameters (enums, bounds, required-only fields), and comparing candidate schemas against a held-out evaluation set before release.","price":10000,"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":1450,"webAccess":"free"},{"id":"structured-output-repair","title":"Structured-Output Repair Guide","category":"AI & Agents","tags":["json-schema","llm-reliability","validation","data-quality","agent-pipelines"],"difficulty":"advanced","readMins":8,"teaser":"Valid JSON isn't the same as valid data — a model can pass schema validation while getting the actual numbers wrong. This guide separates syntax, truncation, schema, and semantic failures, and shows how to repair output without silently accepting corrupted facts.","summary":"A deterministic pipeline for validating and repairing structured model output: capturing raw response metadata before any repair, distinguishing truncation from real syntax errors, validating against a pinned JSON Schema, checking semantic invariants a schema can't catch (totals, dates, references), running bounded repair attempts that never invent facts, and regression-testing known failure classes before release.","price":10000,"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":1500,"webAccess":"free"},{"id":"agent-retry-idempotency","title":"Agent Retry and Idempotency Guide","category":"AI & Agents","tags":["idempotency","retries","distributed-systems","agent-reliability","payments"],"difficulty":"advanced","readMins":8,"teaser":"An agent that retries a timed-out payment or order with a fresh idempotency key can create duplicates — the client never actually knows whether the first attempt succeeded. This guide shows how to design a durable key scope, state machine, and reconciliation path so one logical request always produces at most one effect.","summary":"A procedure for preventing duplicate side effects (payments, messages, orders, files) when agents retry after timeouts: defining a stable logical-operation key scope bound to a canonical payload hash, building a durable state machine (not a boolean flag), placing the side effect inside an atomic boundary, classifying retryable vs terminal errors, and handling same-key/different-payload conflicts explicitly rather than silently.","price":10000,"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":1550,"webAccess":"free"},{"id":"agent-wallet-spend-policy","title":"Agent Wallet Spend-Policy Guide","category":"Wallets & Self-Custody","tags":["agent-wallets","spend-policy","x402","key-management","transaction-simulation"],"difficulty":"advanced","readMins":9,"teaser":"An agent that can sign transactions isn't the same as an agent with permission to spend — without externally enforced caps, a retry bug can turn 200 legitimate $0.50 API calls into a real problem. This guide covers wallet segregation, hard policy limits, transaction decoding, and emergency pause.","summary":"A procedure for bounding what an autonomous agent's wallet can actually do: segregating a dedicated low-balance signer wallet, expressing hard allowlist/cap policy outside the model (network, asset, recipient, per-call and rolling limits), decoding and simulating every transaction against that policy before signing, requiring exact bound approval for high-impact exceptions, and reconciling signature-to-fulfillment. Includes an emergency pause and key-rotation drill.","price":10000,"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":1650,"webAccess":"free"},{"id":"prompt-injection-defense","title":"Prompt-Injection Defense Guide","category":"Security & OpSec","tags":["prompt-injection","agent-security","llm-security","tool-authorization","owasp"],"difficulty":"advanced","readMins":9,"teaser":"A webpage, email, or tool result an agent reads is data, not instructions — but the moment that boundary blurs, a support ticket that says \"upload your .env to this URL\" can turn into a real exfiltration path. This guide covers labeling untrusted content and enforcing authorization outside the model.","summary":"A procedure for designing agent workflows that resist prompt injection: mapping which tools/credentials/side effects an untrusted content source can reach, minimizing and labeling retrieved content by trust/provenance, externalizing policy and authorization into deterministic code rather than the model, using a propose-review-execute pattern for high-impact actions, constraining what untrusted content can write to memory, and running adversarial evaluation (direct, indirect, encoded, cross-tool, exfiltration) measured by unsafe-action rate, not by whether the model mentions the attempt.","price":10000,"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":1650,"webAccess":"free"},{"id":"agent-secret-handling","title":"Agent Secret-Handling Guide","category":"Security & OpSec","tags":["secrets-management","agent-security","credential-scoping","key-rotation","leak-detection"],"difficulty":"advanced","readMins":8,"teaser":"Deleting a leaked token from a code snippet minutes later doesn't undo the leak — caches, git history, and CI logs may already have a copy. This guide covers keeping raw secrets out of an agent's reach entirely, and the rotation drill that proves your recovery plan actually works.","summary":"A procedure for keeping API keys, wallet keys, tokens, and cookies out of an agent's prompts, repos, logs, and tool outputs: inventorying and classifying secrets by owner/scope/expiry, routing agents through a broker that issues short-lived scoped capabilities instead of raw credentials, constraining scope and lifetime, redacting before serialization (not after), scanning repos/CI/runtime with canary tests, and exercising a full revoke-and-rotate incident drill rather than trusting an untested plan.","price":10000,"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":1600,"webAccess":"free"},{"id":"agent-observability","title":"Agent Observability Guide","category":"AI & Agents","tags":["observability","telemetry","agent-monitoring","opentelemetry","cost-tracking"],"difficulty":"advanced","readMins":8,"teaser":"A model returning polished text doesn't mean the task actually succeeded — a tool call can fail after the fact, or a payment can settle without delivery. This guide covers building a run timeline that joins model, tool, and verified business outcome without ever logging secrets or raw user content.","summary":"A procedure for building privacy-bounded agent telemetry: defining the actual incident/SLO questions before collecting anything, designing a run/state/event schema with stable correlation IDs across retries, allowlisting safe fields instead of capturing-then-scrubbing, joining model and tool events to a separately verified business outcome (not just model completion text), building alerts on tested deviations, and injecting canary secrets to prove the pipeline doesn't leak.","price":10000,"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":1600,"webAccess":"free"},{"id":"agent-evaluation-tests","title":"Agent Evaluation-Test Generator","category":"AI & Agents","tags":["agent-evaluation","regression-testing","llm-testing","safety-gates","release-process"],"difficulty":"advanced","readMins":8,"teaser":"An 8% quality improvement means nothing if the new model once sends an email from a malicious webpage instruction — average scores hide catastrophic single failures. This guide covers building an eval suite with zero-tolerance gates for critical safety cases, not just an overall quality number.","summary":"A procedure for turning an agent specification into a real evaluation suite: translating vague requirements into observable, gradable claims (correct tool/arguments/outcome/refusal/budget), partitioning the case space into normal/boundary/adversarial/permission/cost cases, building safe sandboxed fixtures so evaluation can't cause real side effects, preferring deterministic state/tool-trace graders over LLM-judge-only scoring, running baseline vs candidate with repeats to quantify variance, and converting every production incident into a permanent regression case with a zero-tolerance gate for critical failures.","price":10000,"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":1600,"webAccess":"free"},{"id":"local-private-ai","title":"Local Private-AI Deployment Guide","category":"Self-Hosting & Infra","tags":["ollama","local-llm","self-hosted-ai","gpu-sizing","privacy"],"difficulty":"intermediate","readMins":8,"teaser":"Requesting a 14B model at 32k context on an 8GB GPU doesn't fail loudly — it partially offloads to CPU, pushes context into swap, and stutters the whole desktop. This guide sizes a local Ubuntu AI deployment to actual hardware and shows why \"local\" doesn't automatically mean \"private.\"","summary":"A procedure for sizing and securing a local Ubuntu AI deployment: mapping the real privacy/data-flow boundary first (local inference doesn't make retrieval, plugins, telemetry, or backups local), inventorying actual usable VRAM/RAM with a safety reserve before picking a model, installing as a versioned pinned service rather than an ad hoc shell launch, benchmarking on representative tasks (not just tokens/sec), binding interfaces to loopback with authentication rather than trusting obscurity, and testing rollback to a smaller fallback model.","price":10000,"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":1650,"webAccess":"free"},{"id":"solana-token-authority","title":"Solana Token Authority Decoder","category":"Solana","tags":["token-2022","mint-authority","freeze-authority","metadata","token-security"],"difficulty":"advanced","readMins":7,"teaser":"Mint revoked doesn't mean safe. This guide walks through decoding every authority on a Solana token — mint, freeze, metadata update, Token-2022 extensions like transfer hooks and permanent delegates — so you report exact capabilities instead of a false safety badge.","summary":"A procedure for producing a mint-specific Solana token authority report: resolving the exact mint and program (SPL Token vs Token-2022), decoding mint/freeze authorities, enumerating Token-2022 extensions (transfer hooks, permanent delegate, default account state, close authority), separating metadata/update authority from supply economics, and analyzing controller addresses (multisig/PDA/program) — without inferring safety from any single revoked authority.","price":20000,"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":1350,"webAccess":"free"},{"id":"token-holder-rug-risk","title":"Token Holder and Rug-Risk Analyzer","category":"Solana","tags":["rug-pull","holder-concentration","liquidity-lock","token-risk","due-diligence"],"difficulty":"advanced","readMins":8,"teaser":"Top-10-holder percentage alone is misleading — pooled vaults, linked wallets, and unlocked liquidity all hide behind a clean-looking number. This guide separates observable concentration, linked ownership, and liquidity custody from prediction, so a risk report never overclaims safety.","summary":"A procedure for producing a time-stamped token-risk report: classifying holder accounts (excluding pools/vaults/burn/vesting from raw wallet counts), measuring concentration and linked-wallet clusters with evidence and confidence rather than assertion, verifying liquidity custody and lock mechanisms on-chain (not by marketing claim), decoding authorities/extensions/trading restrictions, and issuing a scorecard that exposes reasons and data gaps instead of a single opaque safety score.","price":20000,"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":1420,"webAccess":"free"},{"id":"drained-wallet-incident","title":"Drained-Wallet Incident Guide","category":"Security & OpSec","tags":["wallet-compromise","incident-response","seed-phrase","phishing","solana"],"difficulty":"intermediate","readMins":7,"teaser":"A drained wallet is a race between you and an automated sweeper. This guide walks through containing a suspected compromise, preserving evidence, moving what's left safely, and rebuilding from a genuinely clean trust boundary — not just a new wallet on the same compromised device.","summary":"An incident-response procedure for a suspected Solana wallet compromise: stopping interaction and preserving evidence before it's lost, distinguishing key/seed compromise from a single malicious approval, creating a verifiably clean new wallet on a clean device, inventorying and safely moving remaining assets with minimum signing, rotating related accounts, and permanently retiring the compromised address rather than reusing it once \"quiet.\"","price":20000,"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":1380,"webAccess":"free"},{"id":"nft-authenticity-spam","title":"NFT Authenticity and Spam Triage","category":"Security & OpSec","tags":["nft","spam-airdrop","phishing","solana","metadata-verification"],"difficulty":"intermediate","readMins":6,"teaser":"An NFT showing up in your wallet uninvited isn't a gift — it's an unsolicited claim you haven't verified. This guide walks through deciding whether it's authentic, spam, or dangerous, using on-chain collection identity instead of the artwork or name.","summary":"A no-signature triage procedure for an unexpected NFT: recording the asset without clicking any link or signing anything, verifying on-chain collection/creator/update-authority identity against official sources (never against the NFT's own metadata), inspecting off-chain metadata URIs in isolation, and classifying the asset as verified authentic, likely spam/phishing, unverified, or program-specific before choosing a safe hide/burn/ignore action.","price":10000,"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":1310,"webAccess":"free"},{"id":"dex-fee-slippage-breakeven","title":"DEX Fee, Slippage and Break-Even Guide","category":"On-chain & DeFi","tags":["dex","slippage","price-impact","trading-costs","break-even"],"difficulty":"intermediate","readMins":6,"teaser":"A trade can be green on the chart and red on the wallet. This guide builds a real round-trip cost model — protocol fees, price impact, slippage, priority fees, failed transactions, and exit depth — so you know the actual price move required before you're actually profitable.","summary":"A procedure for calculating the true break-even price move on a DEX trade: defining consistent cash-flow units, modeling entry execution (route, fees, price impact, slippage, failed attempts) separately from a size-dependent exit ladder, solving for the exact break-even percentage that covers both legs, setting execution guardrails, and reconciling the realized wallet result against the model — because chart price movement alone doesn't account for round-trip cost.","price":10000,"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":1360,"webAccess":"free"},{"id":"meteora-orca-lp-exit","title":"Meteora and Orca LP Exit Resolver","category":"On-chain & DeFi","tags":["meteora","orca","liquidity-pool","concentrated-liquidity","solana-defi"],"difficulty":"advanced","readMins":6,"teaser":"A failed zap-out or a position that \"shows value\" but won't close usually isn't locked funds — it's a bundled transaction failing on one sub-step. This guide walks through isolating exactly which one, using the official manual sequence instead of fighting the all-in-one button.","summary":"A procedure for resolving a failed Meteora/Orca LP withdrawal, harvest, close, or zap-out: verifying position ownership and protocol identity, inventorying liquidity/fees/rewards/lock state and range/bin composition, reading the first failing instruction from simulation logs rather than the generic wallet error, using the official manual harvest-then-withdraw-then-close sequence instead of a risky bundled zap, and reconciling token/SOL/rent balances before ever closing the position NFT.","price":20000,"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":1400,"webAccess":"free"},{"id":"solana-rpc-websocket","title":"Solana RPC and WebSocket Resilience Guide","category":"Solana","tags":["solana-rpc","websocket","monitoring","reliability","reconnect-backoff"],"difficulty":"advanced","readMins":7,"teaser":"A WebSocket that reconnects looks healthy — but it just silently skipped everything that happened during the outage. This guide builds Solana monitoring that treats a socket as a notification, not a ledger, and backfills from chain history every time.","summary":"A procedure for building resilient Solana wallet/token/program monitoring: defining precise event and commitment semantics up front, persisting durable checkpoints (not memory-only cursors), reconnecting with bounded exponential backoff, backfilling missed history via signature/account RPC methods after every disconnect, deduplicating by a stable event key, correctly promoting or retracting provisional events as commitment increases, and failing over between providers without double-processing.","price":10000,"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":1340,"webAccess":"free"},{"id":"trading-bot-profitability","title":"Trading-Bot Profitability Auditor","category":"On-chain & DeFi","tags":["trading-bot","pnl-audit","backtesting","cash-flow-reconciliation","algo-trading"],"difficulty":"advanced","readMins":7,"teaser":"68% win rate and a shrinking wallet aren't a contradiction — they're what happens when small wins average 3% and losers average 18%. This guide rebuilds trading-bot PnL from actual wallet cash flow, not the bot's own dashboard, and audits backtests for the leakage that manufactures fake edge.","summary":"A procedure for auditing whether a trading bot is genuinely profitable: defining an accounting boundary that separates deposits/withdrawals from trading PnL, reconstructing every round trip from confirmed exchange/chain records (not bot logs), computing robust metrics (expectancy, profit factor, tails, drawdown, concentration) instead of headline win rate, auditing backtests for look-ahead and selection bias, comparing predicted vs. realized execution, and gating any scale-up behind minimum sample size and positive after-cost live results.","price":20000,"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":1410,"webAccess":"free"},{"id":"staking-restaking-risk","title":"Staking and Restaking Risk Comparator","category":"Solana","tags":["staking","restaking","liquid-staking","yield-comparison","solana"],"difficulty":"intermediate","readMins":6,"teaser":"Liquid staking plus restaking doesn't mean two APYs stacked and guaranteed — it means two extra layers of validator, protocol, and depeg risk stacked underneath one advertised number. This guide builds a real net-yield comparison that separates known token rewards from unpriced points.","summary":"A procedure for comparing staking and restaking choices on their real risk-adjusted, after-fee return: defining the exact alternatives and time horizon being compared, tracing each reward's actual source (network issuance vs. incentives vs. unpriced points), calculating net token yield after commissions/fees/withdrawal delay, mapping the failure paths each additional wrapper layer adds, running price and depeg scenarios separately from token-denominated yield, and reaching a bounded decision rather than defaulting to the highest advertised APY.","price":10000,"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":1390,"webAccess":"free"},{"id":"chain-address-network-validator","title":"Chain, Address and Network Validator","category":"Security & OpSec","tags":["wrong-network","address-validation","crypto-transfer","cross-chain","solana"],"difficulty":"intermediate","readMins":6,"teaser":"An address that passes checksum validation can still be the wrong destination — wrong chain, wrong account type, or an unsupported deposit network. This guide builds a transfer preflight that always ends with a small test send before the remainder goes out.","summary":"A procedure for preventing wrong-network or wrong-asset crypto transfers: reading the recipient's exact official deposit instructions instead of inferring the network from address format, resolving the source asset's precise contract/mint (not just its symbol), validating destination address type and support, cross-comparing sender and receiver network/chain ID end to end, sending a small test amount and confirming actual platform credit before sending the remainder, and re-verifying instructions fresh before the final send.","price":10000,"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":1400,"webAccess":"free"},{"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","updated":"2026-08-22","price":10000,"id":"source-ingestion-provenance","title":"Source Ingestion and Provenance Pipeline","category":"AI & Agents","tags":["data-ingestion","provenance","rag","data-pipeline","licensing"],"difficulty":"advanced","readMins":9,"teaser":"Ingest files, APIs, feeds, and pages into a traceable corpus with licensing, integrity, version, transformation, and deletion evidence — so every record you serve traces back to an allowed source.","summary":"A pipeline design for ingesting external data (search, RAG, paid agent responses) that preserves provenance: source authorization/license, immutable fetch evidence with checksums, deterministic 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document-extraction procedure that distinguishes native text from OCR, preserves page/bounding-box provenance, detects broken reading order and tables, exposes per-field confidence, and routes uncertain high-impact fields to visual review instead of trusting average OCR accuracy.","sources":[["PDF Association technical resources","https://pdfa.org/resource/iso-32000-pdf/"],["Tesseract OCR documentation","https://tesseract-ocr.github.io/tessdoc/"],["OCRmyPDF documentation","https://ocrmypdf.readthedocs.io/en/latest/"]],"tokenCount":1788,"webAccess":"free"},{"license":"LicenseRef-Saylor-Agent-Use-1.0","author":"David Saylor","updated":"2026-08-22","price":10000,"id":"retrieval-evaluation","title":"Embedding and Retrieval Evaluation","category":"AI & Agents","tags":["rag","retrieval","embeddings","evaluation","search-quality"],"difficulty":"advanced","readMins":9,"teaser":"Evaluate lexical, vector, hybrid, reranked, and filtered retrieval against task-specific relevance, freshness, 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product.","price":10000,"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":"2026-08-22","tokenCount":3753,"webAccess":"free"},{"id":"solana-launch-monitor","title":"Solana Token Launch Monitor","category":"Solana","tags":["solana","token-launch","monitoring"],"difficulty":"intermediate","readMins":11,"teaser":"Detect and normalize new Solana token and market events with source, slot, signature, authority, liquidity, confidence, deduplication, and delivery evidence.","summary":"A launch-monitor pipeline that defines what counts as a launch, observes multiple on-chain event paths, backfills gaps, resolves token and pool identity, enriches risk without delaying the base alert, and proves no duplicate or silently lost accepted events.","price":10000,"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":"2026-08-22","tokenCount":3758,"webAccess":"free"},{"id":"crosschain-wallet-monitor","title":"Cross-Chain Wallet Activity Monitor","category":"On-chain & DeFi","tags":["cross-chain","wallet-monitoring","multi-chain"],"difficulty":"intermediate","readMins":11,"teaser":"Track authorized public wallet activity across Solana and EVM networks without confusing chain identity, internal calls, token contracts, bridge steps, confirmations, or address labels.","summary":"A chain-aware wallet event feed that validates network and address, defines inbound/outbound/contract/approval/bridge activity, records authoritative transaction evidence, handles finality and reorganizations, and delivers normalized alerts with raw provenance.","price":10000,"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":"2026-08-22","tokenCount":3750,"webAccess":"free"},{"id":"dex-pool-health","title":"DEX Liquidity Pool Health","category":"On-chain & DeFi","tags":["dex","liquidity-pool","pool-health"],"difficulty":"intermediate","readMins":11,"teaser":"Evaluate whether a liquidity pool is identifiable, usable, withdrawable, and economically meaningful by inspecting contracts/programs, reserves, price, fees, concentration, positions, and executable exits.","summary":"A pool-health snapshot with chain/program/pair identity, reserve and liquidity evidence, price/fee/range behavior, LP position ownership, executable entry/exit tests, risks, and time-stamped limitations.","price":10000,"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":"2026-08-22","tokenCount":3776,"webAccess":"free"},{"id":"meme-token-risk-plan","title":"Meme Token Entry and Exit Risk Plan","category":"On-chain & DeFi","tags":["meme-coin","risk-assessment","token-risk"],"difficulty":"intermediate","readMins":11,"teaser":"Convert a speculative token idea into a precommitted maximum-loss, liquidity, execution, exit, and evidence plan that survives volatility and rejects unverifiable setups.","summary":"A trade-risk record that identifies the exact asset and market, verifies authorities and executable liquidity, caps position and total loss, defines invalidation and exits before entry, accounts for all costs, and reconciles realized outcomes honestly.","price":10000,"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":"2026-08-22","tokenCount":3844,"webAccess":"free"},{"id":"whale-signal-validation","title":"Whale Signal Validation","category":"On-chain & DeFi","tags":["whale-watching","on-chain-signals","validation"],"difficulty":"intermediate","readMins":11,"teaser":"Determine whether a large-wallet action is real, attributable, material, timely, and trade-relevant without copying deposits, internal transfers, contracts, or manipulated labels.","summary":"A wallet-signal record that preserves chain event evidence, qualifies identity and control claims, classifies transfer versus trade versus contract action, normalizes size against liquidity and wallet history, and backtests whether the signal has after-cost predictive value.","price":10000,"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":"2026-08-22","tokenCount":3753,"webAccess":"free"},{"id":"airdrop-claim-verification","title":"Airdrop and Claim Scam Verification","category":"On-chain & DeFi","tags":["airdrop","claim-verification","scam-avoidance"],"difficulty":"intermediate","readMins":11,"teaser":"Verify whether an airdrop, reward, NFT claim, migration, or wallet message is authentic before opening links, connecting a wallet, signing, approving, or paying.","summary":"A claim-verification record that establishes provenance through independent official channels, inspects the exact domain and contract/program, simulates requested actions, identifies approvals and asset movement, and uses a segregated low-value path or refuses the claim.","price":10000,"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":"2026-08-22","tokenCount":3888,"webAccess":"free"},{"id":"stablecoin-depeg-risk","title":"Stablecoin Network and Depeg Risk","category":"On-chain & DeFi","tags":["stablecoin","depeg-risk","risk-monitoring"],"difficulty":"intermediate","readMins":11,"teaser":"Evaluate a stablecoin by exact contract/mint, issuer and redemption terms, reserves and attestations, network/bridge form, liquidity, concentration, transfer controls, and executable exit.","summary":"A time-stamped stablecoin risk record that distinguishes native from bridged or wrapped forms, verifies issuer/contract/network, measures market and redemption paths, identifies control and counterparty risks, and sets exposure and exit limits.","price":10000,"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":"2026-08-22","tokenCount":3847,"webAccess":"free"},{"id":"exchange-withdrawal-troubleshooter","title":"Exchange Deposit and Withdrawal Troubleshooter","category":"Wallets & Self-Custody","tags":["exchange-withdrawal","troubleshooting","custody"],"difficulty":"intermediate","readMins":11,"teaser":"Resolve unavailable balances, holds, unsupported networks, memo/tag issues, processing withdrawals, failed broadcasts, and missing credits without duplicate transfers or secret exposure.","summary":"A transfer incident record that reconciles the exchange ledger, account restrictions, asset/network/contract, address and memo, fee/minimum, withdrawal ID, on-chain transaction, confirmations, destination support, and provider escalation.","price":10000,"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":"2026-08-22","tokenCount":3961,"webAccess":"free"},{"id":"solana-fee-mev-execution","title":"Solana Priority Fee and MEV Execution","category":"Solana","tags":["solana","priority-fees","mev","execution"],"difficulty":"intermediate","readMins":11,"teaser":"Measure Solana transaction inclusion, compute, priority fees, slippage, routing, and adverse execution so fee settings follow actual value and congestion instead of blind overpayment.","summary":"An execution record and policy that separates base fee, compute-unit limit/price, tips or route fees, slippage and price impact, simulation, inclusion latency, failures, and realized output, then selects bounded fees from transaction value and measured conditions.","price":10000,"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":"2026-08-22","tokenCount":3787,"webAccess":"free"},{"id":"crypto-ledger-reconstruction","title":"Crypto Transaction Ledger Reconstruction","category":"Crypto Basics","tags":["ledger-reconstruction","tax-records","transaction-history"],"difficulty":"intermediate","readMins":12,"teaser":"Reconstruct wallet, exchange, bridge, staking, LP, NFT, token, and fee activity into an evidence-backed ledger for accounting review without inventing missing basis or tax treatment.","summary":"A reconciled multi-source transaction ledger where every row traces to chain or exchange evidence, transfers are distinguished from economic disposals/acquisitions, fees and inventory are preserved, ambiguous events remain flagged, and a qualified tax professional receives a complete review package.","price":10000,"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":"2026-08-22","tokenCount":4066,"webAccess":"free"},{"id":"mcp-server-builder-auditor","title":"MCP Server Builder and Auditor","category":"AI & Agents","tags":["mcp","tool-schema","authorization","agent-security","server-design"],"difficulty":"advanced","readMins":9,"teaser":"Build or review an MCP server so agents can select tools correctly, validate inputs, see bounded outputs, and avoid unsafe authority expansion. Covers capability inventory, strict tool schemas, server-side authorization, confirmation/idempotency for side effects, and a real-client test matrix.","summary":"A structured method for building or auditing an MCP server: inventory every tool's data access, side effects, cost, and reversibility; design unique action-object names with strict JSON Schema (required fields, enums, bounds); enforce authorization server-side from authenticated identity rather than tool arguments; require confirmation and idempotency keys for consequential actions; return bounded, sanitized, provenance-carrying output; and test through a real MCP client across initialization, invalid schema, unauthorized access, duplicate, cancellation, and timeout cases. Includes a worked example of a manage_customer tool with ambiguous selection, loose schema, and a broken tenant boundary, and how each was fixed and verified.","price":10000,"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":2100,"webAccess":"free"}]