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Curated exemplary CLAUDE.md files from public projects with analysis and patterns
A curated collection of high-quality CLAUDE.md files from leading open-source projects. These examples demonstrate industry best practices for onboarding AI assistants to complex codebases.
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Start with these exceptional examples - hand-picked for learning effective CLAUDE.md patterns:
| Example | Badges | Why It's Great | Tech Stack |
|---|---|---|---|
| OpenAI Agents Python | Official OpenAI multi-agent framework | Python, Multi-Agent Systems | |
| Basic Memory | Cutting-edge MCP integration & AI collaboration | Python, FastAPI, SQLAlchemy | |
| Overreacted.io | Technical depth with personality | Next.js, React, MDX | |
| Pydantic GenAI Prices | Expert data processing pipeline patterns | Python, Pydantic, YAML |
| Example | Badges | Why It's Great | Tech Stack |
|---|---|---|---|
| Citadel Protocol Contracts | Security-first DeFi protocol architecture | Solidity, TypeScript, DeFi | |
| OpenFeign QueryDSL | Enterprise Java framework excellence | Java, Multi-Backend Query | |
| Callstack React Native Testing | Testing library gold standard | TypeScript, React Native | |
| H1B Visa Analysis | AI-guided development framework | TypeScript, Meta-Repository | |
| Claude Flow | Enterprise AI orchestration platform | JavaScript, 64-Agent System | |
| Cloudflare Workers SDK | Monorepo & testing excellence | TypeScript, Monorepo | |
| Anthropic Quickstarts | Multi-project organization by AI experts | Python, TypeScript, React | |
| GoMall | RIPER-5 AI methodology | Go, AI Development |
C++
Elixir
Kotlin
Lua
Node.js (C++)
Smalltalk
Haskell
Python (Type Generation)
PHP/Vue.js
C#/.NET
Markdown/Documentation
Svelte
Multi-service applications with sophisticated architectures and enterprise-scale concerns.
Citadel Protocol Contracts
- Security-first DeFi protocol architecture
H1B Visa Analysis
- AI-guided meta-repository framework
WhereAmI
- SvelteKit location-based social application
TimeWarp Architecture
- Blazor WebAssembly clean architecture framework
Basic Memory
- Cutting-edge MCP integration & AI collaboration
Web Builder
- B2B2B SaaS platform with Next.js 14
action-idle
- TypeScript idle game with ESLint-enforced Godot portability constraint
/src/core/ pure TypeScript) enforced via ESLint rule, not just documentationOverreacted.io
- Dan Abramov's technical blog with exceptional documentation
Claude Flow
- Enterprise AI orchestration platform
HADES
- Information processing network architecture
HADES (Defunct)
- Research-grade academic paper processing system
HendrixVideo
- AI-powered video analysis pipeline
Sentry
- Multi-language error tracking and performance monitoring
Web Monitoring
- Enterprise Flask/Vue.js monitoring system
Semantic Workbench
- Microsoft AI assistant platform
Nine Week Challenge
- Next.js 14 wellness tracking application
Webhook Broker
- Event-driven microservice architecture
OpenAI Agents Python
- Official OpenAI multi-agent framework
Platformatic
- Node.js application platform
WindPress
- Vue.js with WebAssembly Tailwind compilation
SmartQ
- AI-powered educational question analysis platform
CartWise
- Comprehensive iOS shopping application with MVVM+Coordinator architecture
Clueless
- AI meeting assistant with real-time transcription and analysis
mehr-schulferien.de
- German school vacation Phoenix/Elixir application
BEDROT Data Ecosystem
- Music industry analytics data pipeline ecosystem
CLI tools, build systems, and development utilities with focus on commands and configuration.
Claudio
- Hook-based audio feedback plugin for Claude Code
claudecode.nvim
- Claude Code Neovim IDE Extension
MCP WordPress
- MCP server for WordPress CMS integration
OpenFeign QueryDSL
- Enterprise Java multi-backend query framework
SDLC Engine
- State machine workflow orchestration
Stata-MCP
- MCP server for Stata statistical analysis and LLM integration
HA Irrigation Strategy
- Advanced smart home agriculture automation
Cloudflare Workers SDK
- Monorepo management and edge computing development
CodeCompanion.nvim
- LLM-powered Neovim coding assistant
Cribo
- Python source bundler written in Rust
Lula 2
- Git-friendly compliance control management system
Kargo
- Knowledge graphs and information retrieval
Claude Crew
- Strict TypeScript development standards
Swift Law
- Domain-specific legal AI assistant
Foam
- Personal knowledge management for VSCode
Kotlinter Gradle
- Kotlin linting and formatting plugin
Image Generation MCP
- MCP server for AI image generation
repo-reconnoiter-rails
- Rails 8.1 OSINT dashboard with cost-first AI integration philosophy
app/prompts/ — prompt-as-code pattern in a Rails contextPixel Banner
- Obsidian plugin with customizable banner images
Jason Liu Blog
- AI/ML thought leadership and technical blogging
Kubb
- OpenAPI TypeScript generator
Lerna
- Monorepo management tool
GoMall
- RIPER-5 AI methodology for Go development
Context Creator
- AI-optimized codebase analysis tool
HWP
- HTTP benchmarking and performance testing
cctx
- Claude Code context manager for switching between settings
Neon MCP Server
- Production-grade MCP server for Neon database API
macMCP
- macOS MCP server implementation
SVGC
- SVG optimization and compression tool
OpenShift ROSA
- Enterprise Kubernetes CLI tool with ethical AI integration
SYMBIONT
- AI-powered Chrome extension architecture (First browser extension example)
Claude Code F2
- Systematic development framework
PyTorch tlparse
- Log parsing and analysis tool
claude-code-mastra
- Claude Code SDK integration for Mastra framework
Tasker Core
- Rust workflow orchestration engine
mypy-boto3-builder
- AWS SDK type stubs generator
SummaryBot NG
- Agent-based development framework
Xcode Project CLI
- Xcode project manipulation tool
Yutodo
- Full-stack TypeScript application
VeilChat
- Full-stack chat with PWA and MCP integration
pkg-to-jsr
- Zero-config JSR generator from package.json
Projects focused on developer onboarding and initial setup experiences.
Anthropic Quickstarts
- Official Anthropic quickstart examples
Ethereum.org Website
- Official Ethereum community website (5,000+ stars)
KleverConnect Starter
- Web3 React + Vite starter kit
Microfolio
- Static portfolio generator with SvelteKit 2
Dotfiles
- Personal development environment configuration
Weaviate Docs
- Documentation for Weaviate Database
Large-scale systems, runtime environments, and platform-agnostic deployment patterns.
Breenix OS
- Rust operating system kernel development
Cloudflare Workerd
- JavaScript runtime for Cloudflare Workers
Dymension Hub
- Cosmos SDK settlement layer for modular rollups
TrailOfBits Algo
- Security-first VPN server setup and automation
Ansible MCP Server
- Infrastructure automation with MCP integration
Demo MCP
- MCP server architecture for system monitoring
Core concepts, APIs, usage patterns, and publication-ready development standards.
ada
- WHATWG-compliant C++ URL parser library
Callstack React Native Testing
- Professional React Native testing library
GalaChain SDK
- Blockchain SDK for TypeScript development
Composio
- AI agent integration platform
CKBoost
- CKB blockchain gamified engagement platform
PMStander Web Tools
- Advanced TypeScript/Next.js performance patterns
DataFog Python
- Privacy-focused data processing library
mdx-prompt
- LLM prompt engineering components
GenSX
- AI-powered scientific computing framework
brix-lang
- New data-oriented language with full LLVM 18 compiler pipeline in Rust
compile_binary_op())noren
- Edge-native PII redaction library
Ultimate RVC
- AI-powered audio content creation
FastAPI Template
- Enterprise-grade Python backend architecture
Pipewire-HS
- Haskell bindings for PipeWire audio system
OAuth2 Passkey
- Modern authentication library
LangChain Redis
- Redis integration for LangChain
mivoa
- Next.js 15 app with enforced Firebase abstraction via
StorageBackend interface
StorageBackend interface decouples Firebase from UI layer; enforced import rule ("Nothing in components/ or hooks/ may import from firebase/*")Web MuJoCo Gym
- High-performance WebAssembly machine learning environment
Omar Dulaimi Prisma tRPC Generator
- Modern full-stack TypeScript tooling integration
TrysteroSwift
- P2P WebRTC data channels in Swift
Pydantic GenAI Prices
- Expert data processing pipeline patterns
ReGo
- Unified REST API abstraction layer for enterprise services
viral-assemble
- Viral genome assembly toolkit from Broad Institute
msg-rs
- Distributed systems messaging library
MeFood Next.js
- Modern Next.js food application
trifle_stats
- Multi-database time-series library in Elixir (First Elixir example)
Agentic
- AI agent orchestration library
Documentation focused on project state, blocking issues, and transition planning.
B+ Tree
- Data structure implementation with clear handoff documentation
Mattermost Test Management
- Test automation framework with transition documentation
Tasker Systems Book
- Narrative-driven technical documentation approach
Tools that generate, sync, or manage
CLAUDE.mdfiles.
Inclusion criteria: Tools must be directly related to CLAUDE.md workflows. License type is shown for reference.
| Tool | Description | License |
|---|---|---|
| claude-brain | Sync CLAUDE.md and Claude Code configuration across machines via git hooks | MIT |
| sourcebook | Generate CLAUDE.md from codebase conventions, constraints, and git forensics | BSL-1.1 |
Our collection prioritizes content quality and educational value over popularity metrics:
We welcome contributions! Here's how to add examples:
filename:CLAUDE.md) to find examplesCLAUDE.md files directly into this repositoryFind more CLAUDE.md examples using these search strategies:
filename:CLAUDE.md "## Architecture"filename:CLAUDE.md "## Development Commands""## Testing" filename:CLAUDE.md"## Deployment" filename:CLAUDE.mdfilename:CLAUDE.md language:TypeScriptfilename:CLAUDE.md user:anthropics - AI experts and Claude creatorsfilename:CLAUDE.md user:openai - AI research and developmentfilename:CLAUDE.md user:microsoft - Enterprise AI and infrastructurefilename:CLAUDE.md user:cloudflare - Infrastructure and runtime systemsfilename:CLAUDE.md user:fastapi OR user:pydanticfilename:CLAUDE.md user:vercel OR user:nextjsfilename:CLAUDE.md user:huggingface OR user:langchain-aifilename:CLAUDE.md user:docker OR user:kubernetesTotal Examples: 104 | Last Updated: February 2026 | Maintained by: Community Contributors
🤖 This collection is maintained with assistance from Claude Code for quality analysis and curation
Starter template with CLAUDE.md memory bank system, session metrics, and subagents
Best practices and starter CLAUDE.md templates for Next.js, Python/FastAPI, and more
Persistent memory system for Claude Code — make your AI remember everything across sessions. Ready-to-use templates, zer
Templates for new Claude repos with plugins, skills, and default settings
Community Package
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