What Is an AGENTS.md File and How Do You Use It With Codex?
Learn what an AGENTS.md file is, how Codex uses it and how to create clear project instructions for safer, more consistent AI coding.
AI Guides
Practical guides, tutorials and tips for using AI tools, including ChatGPT, Codex, plugins, skills, prompts and automated workflows.
What Is the Codex App? A Beginner’s Guide
Learn what the Codex app is, how OpenAI’s coding agent works and how it can help you build, test and improve software projects.