CLAUDE.md and AGENTS.md: How to Write Context Files for AI Coding Tools
You open Claude Code on a new project. You ask it to fix a bug. It changes the wrong file. It uses the wrong architecture pattern. It runs the wrong build command. Not because Claude is bad. Because it doesn’t know your project. That is what context files solve. A CLAUDE.md or AGENTS.md file tells the AI everything it needs to know about your project before it starts working. It is the single most impactful thing you can do to improve AI coding agent output. ...