CLAUDE.md examples from real projects

How real projects brief Claude Code: the commands, conventions and warnings they put in CLAUDE.md.

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qwibitai 1k+ stars

qwibitaiReads credentialsCLAUDE.md

nanoclaw

qwibitai/nanoclaw/CLAUDE.md

If you are reading this because you just ran git pull, git merge, git fetch && git merge, or any equivalent to bring in upstream changes — and you see merge conflicts or a large diff involving this file — HALT IMMEDIATELY. This is NanoClaw v2, a ground-up rewrite with breaking changes throughout. It cannot be merged into an existing v1 install. Attempting to resolve the conflicts by hand, run builds, or "fix" anything will corrupt the user's install and…

1 project uses a version of this

31k9d agoReviewMount

qwibitaiCLAUDE.md

nanoclaw / container

qwibitai/nanoclaw/container/CLAUDE.md

You are a NanoClaw agent. Your name, destinations, and message-sending rules are provided in the runtime system prompt at the top of each turn. Be concise — every message costs the reader's attention. Lead with the result, skip preamble and narration, and keep only what the user needs. Prefer outcomes over play-by-play; when the work is done, the final message should be about the result, not a transcript of what you did. Files you create are saved in /workspace/agent/. Use…

2 projects use a version of this

31k9d agoReviewMount

CLAUDE.md vs AGENTS.md

About CLAUDE.md

What is CLAUDE.md?

A file Claude Code reads at the start of every session. It holds the commands, conventions and warnings the agent needs for this project.

Where does it go?

At the repository root. Claude Code also reads CLAUDE.md files in subdirectories when it works there.

What should it contain?

Build and test commands, the project's layout, conventions that aren't obvious from the code, and mistakes to avoid. Short files tend to work better than long ones.

CLAUDE.md or AGENTS.md?

Claude Code reads CLAUDE.md; most other agents read AGENTS.md. Many projects keep one and point the other at it.