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An AI agent is a loop. Here it is in 40 lines of plain Python

This story is from 2026-11-05. It is preserved in the archive; the latest stories are on the live feed.

"AI agent" sounds like something that needs a framework. It doesn't. Strip away the libraries and every agent is the same small loop: Send the conversation to a model. If the model asks to use a tool, run it and add the result to the conversation. Repeat until the model gives a final answer — or yo…

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  1. 2026-11-05 09:52 · DEV Community — AI
    An AI agent is a loop. Here it is in 40 lines of plain Python

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