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AI agent tool calling: designing tools the model will actually use correctly

This story is from 2026-10-15. It is preserved in the archive; the latest stories are on the live feed.

You give your agent a handful of tools, write a decent system prompt and try a few requests. It works. Then real users show up. The agent calls search when it should have called get_order . It passes a customer name where an ID was expected. It retries the same failing call five times in a row. It…

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  1. 2026-10-15 13:15 · DEV Community — AI
    AI agent tool calling: designing tools the model will actually use correctly

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