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How to write an AGENTS.md for Codex (with a starter template)

Disclosure: I run PickAPlugin , an independent catalog of ChatGPT and Codex plugins. This is adapted from our guide on the same topic. AGENTS.md is a plain markdown file that Codex reads before it touches your repo. Think of it as the note you'd leave a new teammate on their first day. What to put…

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  1. 2026-11-09 22:19 · DEV Community — AI
    How to write an AGENTS.md for Codex (with a starter template)

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