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
34 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
Ollama
ollama/ollama
A compact guide to native compilation, faster Go-only iteration, testing, contribution rules, and fuller setup docs.
Go181k stars0 skillsAGENTS.md21 lines
Next.js
vercel/next.js
A development guide to iteration, tests, contributor permissions, source context, runtime and bundler combinations, and releases.
JavaScript142.3k stars25 skillsAGENTS.md560 lines
Electron
electron/electron
A guide to multi-repository builds, patches, C++ object lifetimes, release maintenance, and alternatives to costly commands.
C++123.1k stars5 skillsCLAUDE.md330 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
Pi
earendil-works/pi
A shared-checkout guide to session safety, coordination, model catalogs, isolated tests, interactive checks, and releases.
TypeScript105.5k stars1 skillAGENTS.md124 lines
Playwright
microsoft/playwright
A monorepo guide to architecture, test fixtures, suite selection, protocol boundaries, local instructions, and combined checks.
TypeScript96.2k stars7 skillsCLAUDE.md164 lines
Bun
oven-sh/bun
A build guide to wrapper commands, declaration-only exceptions, regression tests, costly native builds, and specialized reviews.
Rust96k stars8 skillsCLAUDE.md240 lines
vLLM
vllm-project/vllm
A testing guide to contracts, correctness, performance evidence, model evaluations, native builds, security, and benchmarks.
Python92k stars4 skillsAGENTS.md158 lines
Zed
zed-industries/zed
A Rust and GPUI guide to errors, state, concurrency, review markers, instruction symlinks, and permanent rules.
Rust90.4k stars8 skills.rules189 lines
Svelte
sveltejs/svelte
A minimal guide to contributor requirements, the full test suite, and a dedicated skill for performance work.
JavaScript88.1k stars1 skillAGENTS.md11 lines
Paperclip
paperclipai/paperclip
An architecture guide to control-plane rules, company boundaries, shared contracts, database changes, and browser checks.
TypeScript80.7k stars52 skillsAGENTS.md225 lines
Grafana
grafana/grafana
A Go and TypeScript guide to local instructions, test skills, generators, environment differences, deployments, and compatibility.
TypeScript76.8k stars3 skillsAGENTS.md172 lines
Astro
withastro/astro
A monorepo guide covering work planning, repository structure, tests, background development servers, and browser automation.
TypeScript62.5k stars8 skillsAGENTS.md165 lines
Ruff
astral-sh/ruff
A Rust workspace guide to environment traps, Markdown tests, ty-specific work, security reviews, and focused references.
Rust49.6k stars4 skillsAGENTS.md211 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
Prisma ORM
prisma/orm
A modular onboarding guide to contracts, canonical skills, type safety, architecture references, playbooks, and skill storage.
TypeScript47.6k stars20 skillsAGENTS.md130 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
Omarchy
omacom/omarchy
A routing guide to seven workflows, audience-specific docs, and project helpers that replace raw shell commands.
Shell40.9k stars2 skillsAGENTS.md133 lines
Diffusers
huggingface/diffusers
A shared guide to setup, approval-gated actions, self-review, publication boundaries, and focused model and testing references.
Python34.5k stars4 skills.ai/AGENTS.md84 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
Nx
nrwl/nx
A workspace guide to planning, generated sections, docs, affected-project tests, E2E checks, and external package testing.
TypeScript29.3k stars41 skillsAGENTS.md234 lines
AI SDK
vercel/ai
A guide to provider architecture, response schemas, security boundaries, fetched URLs, testing, and design decisions.
TypeScript26.8k stars14 skillsAGENTS.md320 lines
Biome
biomejs/biome
A concise guide to source-backed analysis, generators, contributor messaging, testing, reviews, changesets, and docs.
Rust25.9k stars11 skillsAGENTS.md82 lines
Turso
tursodatabase/turso
A development guide to commands, subsystem boundaries, core principles, code and comment style, and banned metaphors.
Rust24.3k stars13 skillsAGENTS.md165 lines
Oxc
oxc-project/oxc
A Rust workspace guide to crate-specific tests, generators, conformance suites, Node bindings, and contribution responsibilities.
Rust22.8k stars4 skillsAGENTS.md329 lines
Qwik
QwikDev/qwik
A generated root guide to resumability terms, committed and local guidance, verification, and six focused skills.
TypeScript22.1k stars6 skillsAGENTS.md582 lines
AG-UI
ag-ui-protocol/ag-ui
A protocol guide to event streams, persistent state, per-run resets, A2UI rendering, and separate language workflows.
Python15.9k stars22 skillsCLAUDE.md129 lines
nuqs
47ng/nuqs
A compact guide to URL-state rules, task routing, root-level tests, browser and server debugging, and completion criteria.
TypeScript10.8k stars1 skillAGENTS.md107 lines
Pierre
pierrecomputer/pierre
A short guide to task-selected skills, authoritative project files, agent limits, package licenses, and verification.
TypeScript6.2k stars9 skillsAGENTS.md103 lines
Cloudflare Agents
cloudflare/agents
Layered guides for packages, examples, tutorials, and design records, with separate runtime, browser, type, and release workflows.
TypeScript5.6k stars7 skillsAGENTS.md196 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
Kody
kentcdodds/kody
An index to contributor docs, decision records, validation commands, preview testing, cloud-agent setup, and task-specific skills.
TypeScript628 stars10 skillsAGENTS.md73 lines
vlt
vltpkg/vltpkg
A workspace guide to Cursor rules, ordered verification, docs-build traps, and skill evaluation with baselines and trigger tests.
TypeScript552 stars1 skillAGENTS.md113 lines
See the techniques these projects share.
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