Agent rules and skills from popular OSS projects.
Learn patterns, discover skills, and bring them back to your projects.
- Projects
- 100
- Skills
- 1,214
- GitHub stars
- 5.5M
Showing 100 projects

OpenClaw
openclaw/openclaw
A contribution guide to extension points, core ownership, context cost, clean cutovers, conversation history, and permissions.
TypeScript389.7k stars
122 skillsAGENTS.md123 lines

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 stars
209 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 stars
2 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 stars
41 skillsAGENTS.md428 lines

Ollama
ollama/ollama
A compact guide to native compilation, faster Go-only iteration, testing, contribution rules, and fuller setup docs.
Go181k stars
0 skillsAGENTS.md21 lines

Firecrawl
firecrawl/firecrawl
A concise API guide to success and failure paths, environment-gated tests, one service harness, local runs, and CI.
TypeScript180.4k stars
5 skillsAGENTS.md19 lines

Transformers
huggingface/transformers
A short guide to contribution coordination, generated models, converter directives, modular sources, and required checks.
Python166.3k stars
1 skill.ai/AGENTS.md40 lines

Langflow
langflow-ai/langflow
A full-stack guide to dependencies, authorization boundaries, saved-flow class names, components, environments, and tests.
Python154.8k stars
10 skillsAGENTS.md243 lines

Next.js
vercel/next.js
A development guide to iteration, tests, contributor permissions, source context, runtime and bundler combinations, and releases.
JavaScript142.3k stars
25 skillsAGENTS.md560 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 stars
17 skillsAGENTS.md320 lines

Electron
electron/electron
A guide to multi-repository builds, patches, C++ object lifetimes, release maintenance, and alternatives to costly commands.
C++123.1k stars
5 skillsCLAUDE.md330 lines

browser-use
browser-use/browser-use
A short development guide followed by extensive product documentation, with both sections separated by XML-style tags.
Python114.6k stars
7 skillsAGENTS.md1,017 lines

Supabase
supabase/supabase
A concise root guide to the directory map, core commands, conventions, public contributions, local instructions, and skills.
TypeScript109.1k stars
23 skillsAGENTS.md75 lines

Deno
denoland/deno
A guide to runtime architecture, native extensions, Cargo-backed JavaScript tests, spec tests, review history, and Rust linting.
Rust108.4k stars
6 skillsCLAUDE.md433 lines

Pi
earendil-works/pi
A shared-checkout guide to session safety, coordination, model catalogs, isolated tests, interactive checks, and releases.
TypeScript105.5k stars
1 skillAGENTS.md124 lines

PyTorch
pytorch/pytorch
A contribution guide to native builds, tests, CUDA, ghstack, CI traps, and project-specific Python and Git commands.
Python103.1k stars
18 skillsCLAUDE.md343 lines

Playwright
microsoft/playwright
A monorepo guide to architecture, test fixtures, suite selection, protocol boundaries, local instructions, and combined checks.
TypeScript96.2k stars
7 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 stars
8 skillsCLAUDE.md240 lines

vLLM
vllm-project/vllm
A testing guide to contracts, correctness, performance evidence, model evaluations, native builds, security, and benchmarks.
Python92k stars
4 skillsAGENTS.md158 lines

Storybook
storybookjs/storybook
A broad guide to repository structure, architecture, commands, pull requests, tests, self-maintenance, and maintainer preferences.
TypeScript91.1k stars
21 skillsAGENTS.md419 lines

Zed
zed-industries/zed
A Rust and GPUI guide to errors, state, concurrency, review markers, instruction symlinks, and permanent rules.
Rust90.4k stars
8 skills.rules189 lines

uv
astral-sh/uv
A concise constraint list for targeted tests, fallible operations, precise lockfiles, privileged webhooks, and clear prose.
Rust89.8k stars
1 skillAGENTS.md32 lines

Svelte
sveltejs/svelte
A minimal guide to contributor requirements, the full test suite, and a dedicated skill for performance work.
JavaScript88.1k stars
1 skillAGENTS.md11 lines

Paperclip
paperclipai/paperclip
An architecture guide to control-plane rules, company boundaries, shared contracts, database changes, and browser checks.
TypeScript80.7k stars
52 skillsAGENTS.md225 lines

Grafana
grafana/grafana
A Go and TypeScript guide to local instructions, test skills, generators, environment differences, deployments, and compatibility.
TypeScript76.8k stars
3 skillsAGENTS.md172 lines

Strapi
strapi/strapi
A Yarn and Nx guide to content access, dependency injection, shared types, edition boundaries, tests, skills, and migrations.
TypeScript73.2k stars
1 skillAGENTS.md262 lines

Cline
cline/cline
A cloud guide to the CLI, editor extension, desktop app, automatic processes, rebuilt packages, and GUI checks.
TypeScript68.1k stars
8 skillsAGENTS.md32 lines

Mem0
mem0ai/mem0
A package-routing guide to language-specific tools, required deliverables, accepted issues, and contributor-account rules.
Python65.5k stars
55 skillsAGENTS.md175 lines

Astro
withastro/astro
A monorepo guide covering work planning, repository structure, tests, background development servers, and browser automation.
TypeScript62.5k stars
8 skillsAGENTS.md165 lines

Ghostty
ghostty-org/ghostty
A compact guide to build and test commands, three source areas, and limits on public issue and pull-request actions.
Zig61.1k stars
1 skillAGENTS.md39 lines

Nuxt
nuxt/nuxt
A contribution-boundary guide defining what agents may prepare, what humans must submit, and where AI disclosure belongs.
TypeScript60.9k stars
0 skillsAGENTS.md11 lines

Twenty
twentyhq/twenty
A compact CRM guide to package conventions, recurring mistakes, tests, migrations, branch output, and Nx cache traps.
TypeScript56.9k stars
18 skillsCLAUDE.md50 lines

Goose
aaif-goose/goose
A Rust desktop guide to issue readiness, parallel agent loops, retiring MCP code, and a macOS executable-replacement trap.
Rust54.4k stars
1 skillAGENTS.md135 lines

TanStack Query
TanStack/query
A minimal guide linking contributor instructions, applying them to AI-assisted work, and limiting changes to one topic.
TypeScript50.3k stars
0 skillsAGENTS.md10 lines

Ruff
astral-sh/ruff
A Rust workspace guide to environment traps, Markdown tests, ty-specific work, security reviews, and focused references.
Rust49.6k stars
4 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 stars
5 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 stars
20 skillsAGENTS.md130 lines

Airflow
apache/airflow
A broad guide to repository structure, commands, security reports, newsfragments, remote naming, and commit rules.
Python46.9k stars
8 skillsAGENTS.md537 lines

Streamlit
streamlit/streamlit
A Python, React, and protobuf guide to separate checks, dependency exceptions, restarts, debugging logs, and test wrappers.
Python45.8k stars
21 skillsAGENTS.md108 lines

Payload
payloadcms/payload
A CMS guide to architecture, test fixtures, access control, React memoization, CSS, server-client imports, and bundling.
TypeScript44.8k stars
7 skillsCLAUDE.md466 lines

Ray
ray-project/ray
A contribution guide to duplicate work, accountability, local test evidence, stop conditions, and existing development docs.
Python43.8k stars
8 skillsAGENTS.md99 lines

Gradio
gradio-app/gradio
A Python and Svelte guide to issue ownership, AI disclosure, human review, release notes, builds, and tests.
Python43.6k stars
4 skillsAGENTS.md72 lines

Agent Browser
vercel-labs/agent-browser
A guide to the CLI, MCP tools, documentation, browser tests, releases, and the split between core and installable skills.
Rust42.8k stars
10 skillsAGENTS.md152 lines

DuckDB
duckdb/duckdb
Pairs deprecated vector loops with replacement code and explains where query timeouts cannot intervene.
C++41.5k stars
0 skillsAGENTS.md493 lines

Omarchy
omacom/omarchy
A routing guide to seven workflows, audience-specific docs, and project helpers that replace raw shell commands.
Shell40.9k stars
2 skillsAGENTS.md133 lines

herdr
herdrdev/herdr
Four audience-specific guides to maintainers, local development, external contributions, performance, compatibility, and releases.
Rust38.2k stars
4 skillsAGENTS.md317 lines

pnpm
pnpm/pnpm
A three-product guide to local instructions, version policy, dual CLIs, stale bundled tests, releases, and skill discovery.
Rust36.5k stars
4 skillsAGENTS.md399 lines

SGLang
sgl-project/sglang
A Mintlify guide to source priorities, page structure, components, navigation, validation, and hardware-specific examples.
Python36.1k stars
28 skillsdocs/AGENTS.md381 lines

Continue
continuedev/continue
A focused CLI guide to authentication, terminal interfaces, tools, hooks, configuration precedence, exit codes, and tests.
TypeScript35.9k stars
2 skillsextensions/cli/AGENTS.md94 lines

Diffusers
huggingface/diffusers
A shared guide to setup, approval-gated actions, self-review, publication boundaries, and focused model and testing references.
Python34.5k stars
4 skills.ai/AGENTS.md84 lines

mise
jdx/mise
A development guide to registry acceptance, version resolution, Windows paths, deprecations, dependencies, and release notes.
Rust34k stars
1 skillAGENTS.md417 lines

RustFS
rustfs/rustfs
A layered guide to instruction precedence, permission-gated actions, verification tiers, storage rules, and review evidence.
Rust32.6k stars
13 skillsAGENTS.md183 lines

Skills CLI
vercel-labs/skills
A CLI guide to command ownership, updates, lockfiles, GitHub fallbacks, tree-hash comparisons, tests, and agent metadata.
TypeScript31.8k stars
1 skillAGENTS.md169 lines

Turborepo
vercel/turborepo
A pull-request guide to commit and push hooks, external-contributor steps, and a narrow title format with examples.
Rust31.1k stars
1 skillAGENTS.md27 lines

VoiceStudio
debpalash/VoiceStudio
A cross-platform checklist for source precedence, user-visible parity, offline tests, review follow-up, and local-first operation.
Python30.2k stars
5 skillsAGENTS.md57 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 stars
0 skillsAGENTS.md91 lines

Supermemory
supermemoryai/supermemory
A system map of web and MCP apps, API routes, shared packages, ingestion, search, deployment bindings, and generated schemas.
TypeScript29.7k stars
1 skillCLAUDE.md120 lines

Deep Agents
langchain-ai/deepagents
A short root guide to compatibility, repository searches, generated references, test quality, and focused local instructions.
Python29.5k stars
24 skillsAGENTS.md154 lines

OpenAI Agents SDK for Python
openai/openai-agents-python
A Python SDK guide to scope, released contracts, branch-local choices, visible-behavior tests, architecture, and compatibility.
Python29.5k stars
18 skillsAGENTS.md214 lines

Nx
nrwl/nx
A workspace guide to planning, generated sections, docs, affected-project tests, E2E checks, and external package testing.
TypeScript29.3k stars
41 skillsAGENTS.md234 lines

MLflow
mlflow/mlflow
A guide to the tracking layer, provider stubs, workspace-aware tests, dependency cooldowns, CI, and scoped pull requests.
Python28k stars
6 skillsCLAUDE.md236 lines

cmux
manaflow-ai/cmux
A macOS guide to isolated app builds, sockets, terminal testing gaps, component skills, and protecting the main app.
Swift27.1k stars
22 skillsCLAUDE.md182 lines

AI SDK
vercel/ai
A guide to provider architecture, response schemas, security boundaries, fetched URLs, testing, and design decisions.
TypeScript26.8k stars
14 skillsAGENTS.md320 lines

Biome
biomejs/biome
A concise guide to source-backed analysis, generators, contributor messaging, testing, reviews, changesets, and docs.
Rust25.9k stars
11 skillsAGENTS.md82 lines

Turso
tursodatabase/turso
A development guide to commands, subsystem boundaries, core principles, code and comment style, and banned metaphors.
Rust24.3k stars
13 skillsAGENTS.md165 lines

Temporal
temporalio/temporal
A compact guide to agent role, response length, tone, repository structure, commands, tests, and planning.
Go23k stars
1 skillAGENTS.md105 lines

Oxc
oxc-project/oxc
A Rust workspace guide to crate-specific tests, generators, conformance suites, Node bindings, and contribution responsibilities.
Rust22.8k stars
4 skillsAGENTS.md329 lines

marimo
marimo-team/marimo
A Python and frontend guide to user impact, tests, contribution rules, AI disclosure, and a subtle docstring convention.
Python22.8k stars
2 skillsAGENTS.md65 lines

T3 Code
pingdotgg/t3code
A self-hosted guide to live-process safety, database protection, cross-client checks, providers, and command-to-event flow.
TypeScript22.7k stars
4 skillsAGENTS.md169 lines

Qwik
QwikDev/qwik
A generated root guide to resumability terms, committed and local guidance, verification, and six focused skills.
TypeScript22.1k stars
6 skillsAGENTS.md582 lines

GitButler
gitbutlerapp/gitbutler
A short root guide covering instruction precedence, repository structure, working style, and links to local instructions.
Rust21.7k stars
7 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 stars
17 skillsAGENTS.md152 lines

Vitest
vitest-dev/vitest
A validation guide to source checks, bundled output, test helpers, CI coverage, stale builds, and package exceptions.
TypeScript17.1k stars
1 skillAGENTS.md240 lines

Trigger.dev
triggerdotdev/trigger.dev
A task-execution guide to package workflows, tests, releases, retired paths, versioned SDK docs, and shared dependencies.
TypeScript16.3k stars
14 skillsAGENTS.md301 lines

Effect
Effect-TS/effect
A task-routed guide to focused checks, generated output, protected indexes, type tests, JSDoc, and examples.
TypeScript16.1k stars
12 skills.agents/AGENTS.md46 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 stars
22 skillsCLAUDE.md129 lines

TanStack Router
TanStack/router
A package guide to the shared core, framework bindings, Start, focused Nx tests, sandbox recovery, and example apps.
TypeScript15.1k stars
31 skillsAGENTS.md181 lines

Rolldown
rolldown/rolldown
A three-layer runtime guide to generated bindings, internal docs, and CI for browsers, Windows, and WebContainers.
Rust13.9k stars
2 skillsAGENTS.md106 lines

Fresh
freshframework/fresh
An architecture-heavy guide tracing requests, rendering, island hydration, two build paths, and repository rules.
TypeScript13.8k stars
0 skillsAGENTS.md156 lines

OpenTUI
anomalyco/opentui
A terminal guide to TypeScript, native code, distribution, FFI types, text measurements, memory ownership, Bun, and Node.
TypeScript13.3k stars
1 skillAGENTS.md58 lines

HumanLayer
humanlayer/humanlayer
A two-part monorepo guide tracing the approval protocol, SDK platform, local tools, package workflows, and implementation stages.
TypeScript11.5k stars
0 skillsCLAUDE.md88 lines

LanceDB
lancedb/lancedb
A cross-language guide tracing table methods through native and remote code, bindings, Python APIs, generated code, and docs.
Rust11.4k stars
1 skillAGENTS.md157 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 stars
1 skillAGENTS.md107 lines

Anarlog
fastrepl/anarlog
Separate TypeScript and Rust guides to component checks, native release evidence, generated files, and database constraints.
TypeScript9.3k stars
22 skillsAGENTS.md135 lines

hunk
modem-dev/hunk
An architecture guide to the shared review model, renderer boundaries, interface-specific tests, and three core project terms.
TypeScript9.3k stars
4 skillsAGENTS.md224 lines

Flue
withastro/flue
An architecture guide defining agents, harnesses, sessions, operations, and turns, plus contribution workflows and their limits.
TypeScript8.3k stars
2 skillsAGENTS.md53 lines

Pierre
pierrecomputer/pierre
A short guide to task-selected skills, authoritative project files, agent limits, package licenses, and verification.
TypeScript6.2k stars
9 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 stars
7 skillsAGENTS.md196 lines

Workers SDK
cloudflare/workers-sdk
A task-oriented guide to commands, source configuration, shared work, tests, package boundaries, and subsystem instructions.
TypeScript4.5k stars
1 skillAGENTS.md153 lines

Logfire
pydantic/logfire
An SDK and docs guide to realistic telemetry tests, source locations, CI coverage gates, and repository-backed checks.
Python4.5k stars
5 skillsCLAUDE.md139 lines

Varlock
dmno-dev/varlock
A Bun and Turbo guide to build order, native binaries, tests, version bumps, docs, paid reviews, and wording.
TypeScript4.4k stars
1 skillAGENTS.md89 lines

moon
moonrepo/moon
A Rust and JavaScript guide to separate task runners, environment requirements, warning policies, and branch rules.
Rust4.1k stars
2 skillsAGENTS.md101 lines

TanStack DB
TanStack/db
A review guide with good and bad query examples, independent test oracles, counterexamples, and escaped-bug analysis.
TypeScript3.9k stars
13 skillsAGENTS.md753 lines

OpenAI Agents SDK for TypeScript
openai/openai-agents-js
A TypeScript SDK guide to conditional skills, supported contracts, architecture, review scope, docs risk, and compiled examples.
TypeScript3.8k stars
18 skillsAGENTS.md248 lines

fx
vercel-labs/fx
A detailed Zig guide to builds, interactive binary checks, CI, terminal replays, performance limits, and correctness.
Zig3k stars
0 skillsAGENTS.md470 lines

Docker MCP Gateway
docker/mcp-gateway
A guide to the CLI plugin, gateway, container lifecycle, configuration layers, Docker state, and integration-test caches.
Go1.6k stars
1 skillCLAUDE.md145 lines

Railpack
railwayapp/railpack
A build-system guide tracing detection through containers, with mise tasks, generated files, fixtures, and runtime checks.
Go1.2k stars
1 skillCLAUDE.md99 lines

Kernel
kernel/kernel-images
A cloud VM and container guide to setup, tests, CDP routing, recorder cleanup, image quotas, telemetry, and events.
Go1.1k stars
0 skillsAGENTS.md52 lines

Kody
kentcdodds/kody
An index to contributor docs, decision records, validation commands, preview testing, cloud-agent setup, and task-specific skills.
TypeScript628 stars
10 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 stars
1 skillAGENTS.md113 lines