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An AI agent is just a while loop. I built one in 70 lines of Python, then tricked it into leaking my .env

This story is from 2026-09-07. It is preserved in the archive; the latest stories are on the live feed.

Every framework, every job posting, and about half of LinkedIn wants to tell you what an "AI agent" is. Most of the definitions are marketing. Here is the one that fits on an index card: an agent is a language model, a short list of functions it is allowed to ask for, and a while loop. I'm going to…

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  1. 2026-09-07 15:57 · DEV Community — AI
    An AI agent is just a while loop. I built one in 70 lines of Python, then tricked it into leaking my .env

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