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
14 projects of 100
Star snapshot · September 2026
Hermes Agent
NousResearch/hermes-agent
A root guide to the CLI, gateway, desktop app, plugins, prompt caching, isolated tests, and a six-step capability ladder.
Python245.8k stars209 skillsAGENTS.md432 lines
opencode
anomalyco/opencode
A code-heavy guide to simple abstractions, session invariants, helper-based flow, and wrong-versus-right examples.
TypeScript207.1k stars2 skillsAGENTS.md161 lines
n8n
n8n-io/n8n
A monorepo guide to package boundaries, persistence, encryption, lint rules, memory-aware commands, tests, and contributions.
TypeScript204.3k stars41 skillsAGENTS.md428 lines
Codex
openai/codex
A dense Rust guide covering style, module boundaries, reviews, snapshot tests, app-server APIs, change scope, and model context.
Rust123.8k stars17 skillsAGENTS.md320 lines
Deno
denoland/deno
A guide to runtime architecture, native extensions, Cargo-backed JavaScript tests, spec tests, review history, and Rust linting.
Rust108.4k stars6 skillsCLAUDE.md433 lines
PyTorch
pytorch/pytorch
A contribution guide to native builds, tests, CUDA, ghstack, CI traps, and project-specific Python and Git commands.
Python103.1k stars18 skillsCLAUDE.md343 lines
Cal.diy
calcom/cal.diy
Practical examples and firm rules for pull-request size, imports, data access, security, and approval-gated work.
TypeScript48.5k stars5 skillsAGENTS.md244 lines
Payload
payloadcms/payload
A CMS guide to architecture, test fixtures, access control, React memoization, CSS, server-client imports, and bundling.
TypeScript44.8k stars7 skillsCLAUDE.md466 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
pnpm
pnpm/pnpm
A three-product guide to local instructions, version policy, dual CLIs, stale bundled tests, releases, and skill discovery.
Rust36.5k stars4 skillsAGENTS.md399 lines
Continue
continuedev/continue
A focused CLI guide to authentication, terminal interfaces, tools, hooks, configuration precedence, exit codes, and tests.
TypeScript35.9k stars2 skillsextensions/cli/AGENTS.md94 lines
Better Auth
better-auth/better-auth
A contract-first guide to bug reports, shared Vitest helpers, and portable library code across Node.js, Bun, Deno, and Workers.
TypeScript29.9k stars0 skillsAGENTS.md91 lines
Vitest
vitest-dev/vitest
A validation guide to source checks, bundled output, test helpers, CI coverage, stale builds, and package exceptions.
TypeScript17.1k stars1 skillAGENTS.md240 lines
TanStack DB
TanStack/db
A review guide with good and bad query examples, independent test oracles, counterexamples, and escaped-bug analysis.
TypeScript3.9k stars13 skillsAGENTS.md753 lines
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