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Writing / Tag / 2 of 85

Tools

Every essay tagged Tools, newest first.

August 2026

2 essays / No. 24 to 25

No. 25 / 13 Aug / 11 min
Your Agent Retried and Charged the Card Twice
A tool call times out, your agent retries it, and the customer gets billed twice because the first request went through before the response came back.
No. 24 / 12 Aug / 11 min
Your Agent Has 200 Tools and Picks the Wrong One
Connect enough MCP servers and your agent carries hundreds of tool definitions into every turn.