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
60 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
Firecrawl
firecrawl/firecrawl
A concise API guide to success and failure paths, environment-gated tests, one service harness, local runs, and CI.
TypeScript180.4k stars5 skillsAGENTS.md19 lines
Langflow
langflow-ai/langflow
A full-stack guide to dependencies, authorization boundaries, saved-flow class names, components, environments, and tests.
Python154.8k stars10 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 stars25 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 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
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
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
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
Strapi
strapi/strapi
A Yarn and Nx guide to content access, dependency injection, shared types, edition boundaries, tests, skills, and migrations.
TypeScript73.2k stars1 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 stars8 skillsAGENTS.md32 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
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 stars1 skillAGENTS.md39 lines
Twenty
twentyhq/twenty
A compact CRM guide to package conventions, recurring mistakes, tests, migrations, branch output, and Nx cache traps.
TypeScript56.9k stars18 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 stars1 skillAGENTS.md135 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
Streamlit
streamlit/streamlit
A Python, React, and protobuf guide to separate checks, dependency exceptions, restarts, debugging logs, and test wrappers.
Python45.8k stars21 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 stars7 skillsCLAUDE.md466 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 stars10 skillsAGENTS.md152 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
herdr
herdrdev/herdr
Four audience-specific guides to maintainers, local development, external contributions, performance, compatibility, and releases.
Rust38.2k stars4 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 stars4 skillsAGENTS.md399 lines
mise
jdx/mise
A development guide to registry acceptance, version resolution, Windows paths, deprecations, dependencies, and release notes.
Rust34k stars1 skillAGENTS.md417 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
VoiceStudio
debpalash/VoiceStudio
A cross-platform checklist for source precedence, user-visible parity, offline tests, review follow-up, and local-first operation.
Python30.2k stars5 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 stars0 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 stars1 skillCLAUDE.md120 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 stars18 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 stars41 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 stars6 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 stars22 skillsCLAUDE.md182 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
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
Temporal
temporalio/temporal
A compact guide to agent role, response length, tone, repository structure, commands, tests, and planning.
Go23k stars1 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 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
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
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
Trigger.dev
triggerdotdev/trigger.dev
A task-execution guide to package workflows, tests, releases, retired paths, versioned SDK docs, and shared dependencies.
TypeScript16.3k stars14 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 stars12 skills.agents/AGENTS.md46 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 stars31 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 stars2 skillsAGENTS.md106 lines
OpenTUI
anomalyco/opentui
A terminal guide to TypeScript, native code, distribution, FFI types, text measurements, memory ownership, Bun, and Node.
TypeScript13.3k stars1 skillAGENTS.md58 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 stars1 skillAGENTS.md157 lines
Anarlog
fastrepl/anarlog
Separate TypeScript and Rust guides to component checks, native release evidence, generated files, and database constraints.
TypeScript9.3k stars22 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 stars4 skillsAGENTS.md224 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
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
Logfire
pydantic/logfire
An SDK and docs guide to realistic telemetry tests, source locations, CI coverage gates, and repository-backed checks.
Python4.5k stars5 skillsCLAUDE.md139 lines
moon
moonrepo/moon
A Rust and JavaScript guide to separate task runners, environment requirements, warning policies, and branch rules.
Rust4.1k stars2 skillsAGENTS.md101 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 stars18 skillsAGENTS.md248 lines
fx
vercel-labs/fx
A detailed Zig guide to builds, interactive binary checks, CI, terminal replays, performance limits, and correctness.
Zig3k stars0 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 stars1 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 stars1 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 stars0 skillsAGENTS.md52 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
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