What is CLAUDE.md for Claude Code?

It's a root markdown file auto-read by Claude Code, prepending your project rules, stack, and conventions to every session for rock-solid consistency.

How do I create CLAUDE.md?

Run `touch CLAUDE.md` in your project root, add the 5 sections (overview, stack, conventions, do-nots, current focus), and save. Claude reads it automatically.

Does CLAUDE.md work with other AI coding tools?

Built for Claude Code, but similar hacks work in Cursor or Copilot — just lacks auto-prepend. Claude's the cleanest win.

🤖 Large Language Models

CLAUDE.md: The Tiny File That Gives Claude Code an Unforgettable Memory

AI coding tools like Claude Code promised the world — but session amnesia killed the dream. Enter CLAUDE.md: one file that remembers everything, forever.

theAIcatchup Apr 08, 2026 4 min read

CLAUDE.md file open in VS Code with Claude Code interface showing consistent code generation

⚡ Key Takeaways

CLAUDE.md auto-prepends your project rules to every Claude Code session, killing inconsistency. 𝕏
Five key sections: overview, stack, conventions, prohibitions, and current focus — encode your entire dev style. 𝕏
This is the future: AI config files like package.json, making coders 10x faster. 𝕏

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Originally reported by dev.to

⚡ Key Takeaways

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