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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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VercelCLAUDE.md

agent-browser / eve

vercel-labs/agent-browser/examples/eve/CLAUDE.md

No summary in the file. Open it to read it.

152 projects use a version of this

45k3d agoReviewMountCreate a free account to mount
VercelCLAUDE.md

deepsec

vercel-labs/deepsec/CLAUDE.md

Pointer file for Claude Code working in this repo. User-facing docs are in README.md; contributor docs in CONTRIBUTING.md. Read those first. Always use the technical-writer skill (.agents/skills/technical-writer/SKILL.md) when you write or edit prose for this repo, including docs, READMEs, commit messages, PR titles and descriptions, and issues. - Plugin contracts live in packages/core/src/plugin.ts. Internals route through getRegistry() from deepsec/config rather than calling organization-specific code directly. - The CLI auto-loads deepsec.config.{ts,mjs,js,cjs} from cwd upward (via packages/deepsec/src/load-config.ts, jiti). - New matchers go…

8.1k33d agoReviewMountCreate a free account to mount
VercelCLAUDE.md

open-agents

vercel-labs/open-agents/CLAUDE.md

No summary in the file. Open it to read it.

169 projects use a version of this

5.8k9mo agoReviewMountCreate a free account to mount
VercelCLAUDE.md

openreview

vercel-labs/openreview/.claude/CLAUDE.md

This project uses Ultracite, a zero-config preset that enforces strict code quality standards through automated formatting and linting. Oxlint + Oxfmt (the underlying engine) provides robust linting and formatting. Most…

3 projects use a version of this

1.7k8mo agoReviewMountCreate a free account to mount
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.