Agent Docs Standardized! OpenAI Open-Sources AGENTS.md

OpenAI's AGENTS.md: A unified standard for AI agent documentation. Streamline coding workflows with open-source, machine-readable project instructions.

Sep 02, 2025

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OpenAI has released an open-source agent README format: AGENTS.md. And this is its domain name, which can be accessed directly.

Currently, Codex, Amp, Google Jules, Cursor, FactoryAI, and RooCode have all joined this unified standard.

What is AGENTS.md?

AGENTS.md is an open format document specifically designed for AI coding agents, serving as a "README for agents" for projects. However, it's not meant for human contributors to read, but for AI to read, providing centralized and clear instructions on how AI agents should work in your project.

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