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I Built an AI Agent That Could Call APIs. Then I Had to Teach It When NOT to Call Them.

This story is from 2026-09-26. It is preserved in the archive; the latest stories are on the live feed.

The first time I gave an AI agent access to APIs, I thought the difficult part would be getting the tool calling to work. It wasn't. Getting the model to understand that it could call get_customer(), get_order(), or send_email() was surprisingly straightforward. Once the tools were described proper…

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  1. 2026-09-26 05:08 · DEV Community — AI
    I Built an AI Agent That Could Call APIs. Then I Had to Teach It When NOT to Call Them.

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