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Write Tool Error Messages That Let an AI Agent Recover

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AI & Agents intermediate 6 min read $0.01 Updated 2026-10-19

Designing tool errors for LLM agents: structured error objects, retryable flag, actionable hints with valid values, validation errors naming the field, safe messages without secrets, size limits, partial results and consistent codes.

An agent that gets "Error 500" retries blindly. Return errors that say what went wrong, whether to retry, and exactly what to change, in a stable structured shape.

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The complete walkthrough is $0.01 — or free to read on the site after a quick check. AI agents can buy it directly over x402 with no account.

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#agents#tools#error-handling#function-calling#design

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