Agent rules and skills from open source.
Read real AGENTS.md and CLAUDE.md files. See what they do.
- Projects
- 100
- Skills
- 1,214
- GitHub stars
- 5.5M
10 projects of 100
Star snapshot · September 2026

OpenClaw
openclaw/openclaw
A contribution guide to extension points, core ownership, context cost, clean cutovers, conversation history, and permissions.
TypeScript389.7k stars122 skillsAGENTS.md123 lines
Supabase
supabase/supabase
A concise root guide to the directory map, core commands, conventions, public contributions, local instructions, and skills.
TypeScript109.1k stars23 skillsAGENTS.md75 lines
Storybook
storybookjs/storybook
A broad guide to repository structure, architecture, commands, pull requests, tests, self-maintenance, and maintainer preferences.
TypeScript91.1k stars21 skillsAGENTS.md419 lines
Mem0
mem0ai/mem0
A package-routing guide to language-specific tools, required deliverables, accepted issues, and contributor-account rules.
Python65.5k stars55 skillsAGENTS.md175 lines
Airflow
apache/airflow
A broad guide to repository structure, commands, security reports, newsfragments, remote naming, and commit rules.
Python46.9k stars8 skillsAGENTS.md537 lines
DuckDB
duckdb/duckdb
Pairs deprecated vector loops with replacement code and explains where query timeouts cannot intervene.
C++41.5k stars0 skillsAGENTS.md493 lines
RustFS
rustfs/rustfs
A layered guide to instruction precedence, permission-gated actions, verification tiers, storage rules, and review evidence.
Rust32.6k stars13 skillsAGENTS.md183 lines
GitButler
gitbutlerapp/gitbutler
A short root guide covering instruction precedence, repository structure, working style, and links to local instructions.
Rust21.7k stars7 skillsAGENTS.md42 lines
Pydantic AI
pydantic/pydantic-ai
A scope-conscious guide to user impact, compatibility, verification, sibling defects, API defaults, and focused local rules.
Python20k stars17 skillsAGENTS.md152 lines
Workers SDK
cloudflare/workers-sdk
A task-oriented guide to commands, source configuration, shared work, tests, package boundaries, and subsystem instructions.
TypeScript4.5k stars1 skillAGENTS.md153 lines
See the techniques these projects share.
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