Codex, OpenAI's coding tool, forgets everything when you close it. So you end up typing the same rules every morning. A file called AGENTS.md is read before every job, so you write the rules once.
Here are the steps, a prompt to copy, and what to check.
Free, for your email
Get the full setup steps + the copy-paste setup prompt
The rest of this guide (3 more sections, 1 copy-paste prompt) opens right here. The setup prompt, one paste into Claude that sets it all up, comes by email only. Use your real address.
Unlocks: The steps · The catch · Sources
50,000+ follow where these guides come from. No spam, reply “unsubscribe” any time.