AGENTS.md Explained: The Single File That Makes AI Coding Agents Actually Useful
If you’ve ever watched an AI coding agent ignore your project’s conventions — using the wrong naming scheme, adding unnecessary dependencies, writing tests that don’t match your test runner — there’s a simple fix that most developers haven’t heard of yet. It’s called AGENTS.md, and it’s now natively supported by over 25 AI coding tools. What Is AGENTS.md? AGENTS.md is a plain Markdown file you place in the root of your project repository. AI coding agents read it automatically when they start working in your codebase. It tells them everything they need to know about your project’s specific conventions, constraints, and preferences — before they write a single line of code. ...