Open-Source Directory — Claude / Anthropic

Claude
Tools

A curated index of extensions, plugins, MCP servers, hooks, and integrations for Claude — discovered from GitHub and refreshed daily.

Repository Growth — Last 30 Days

8245entries
★ starsA–Z name

harmonist

2.3k
@GammaLabTechnologies

Portable AI agent orchestration with mechanical protocol enforcement. 186 agents, zero runtime dependencies.

updated Aug 2026

agents-best-practices

2.3k
@DenisSergeevitch

Provider-neutral Agent Skill for Codex, Claude Code, and agentic harness design.

updated Aug 2026

Unla

2.2k
@AmoyLab

🧩 MCP Gateway - A lightweight gateway service that instantly transforms existing MCP Servers and APIs into MCP servers with zero code changes. Features Docker deployment and management UI, requiring no infrastructure modifications.

updated Aug 2026

oh-my-mermaid

2.2k
@oh-my-mermaid

Turn complex codebases into clear, navigable architecture diagrams with Claude Code.

updated Aug 2026

claude-code

2.2k
@tanbiralam

Claude Code is an agentic coding tool that lives in your terminal, understands your codebase, and helps you code faster by executing routine tasks, explaining complex code, and handling git workflows - all through natural language commands. All original source code is the property of Anthropic.

updated Aug 2026

arc-kit

2.2k
@tractorjuice

The Enterprise Architecture Governance Harness — strategy, architecture, delivery, and assurance using AI coding assistants

updated Aug 2026

skills-manage

2.2k
@iamzhihuix

Desktop app to manage AI coding agent skills across Claude Code, Cursor, Gemini CLI, Codex, and 20+ platforms from one place.

updated Aug 2026

claude-usage

2.2k
@phuryn

A local dashboard for tracking your Claude Code token usage, costs, and session history. Pro and Max subscribers get a progress bar. This gives you the full picture.

updated Aug 2026

inspector

2.2k
@MCPJam

Testing and evaluation platform to chat, inspect, and debug MCP servers, MCP apps, and ChatGPT apps.

updated Aug 2026

pentest-ai-agents

2.2k
@0xSteph

Turn Claude Code into your offensive security research assistant. Specialized AI subagents for authorized penetration testing plan engagements, analyze recon, research exploits, build detections, audit STIGs, and write reports.

updated Aug 2026

agency-orchestrator

2.2k
@jnMetaCode

🚀 One sentence → your one-person company of AI experts → complete deliverable in minutes. 267 CN + 184 EN + 5 more languages (ko/ru/pt-BR/id/ar) · zero-code YAML · auto-verified acceptance · Web Studio / Desktop / Docker · 11 LLM providers (7 key-free). 一句话组建你的「一人公司」AI 专家团队,几分钟交付完整方案;验收自动核验,网页 / 桌面 / Docker 全渠道。

updated Aug 2026

one-skill-to-rule-them-all

2.2k
@rebelytics

The meta-skill that builds and improves all your skills, including itself. Watches your work sessions (autonomous or human-led), captures patterns, corrections and judgement calls, and turns them into skill improvements and new skill candidates for your review. Practical application of the Augmented Expertise methodology. Open source: CC BY 4.0.

updated Aug 2026

mcp-shrimp-task-manager

2.1k
@cjo4m06

Shrimp Task Manager is a task tool built for AI Agents, emphasizing chain-of-thought, reflection, and style consistency. It converts natural language into structured dev tasks with dependency tracking and iterative refinement, enabling agent-like developer behavior in reasoning AI systems.

updated Aug 2026

mcp-router

2.1k
@mcp-router

A Unified MCP Server Management App (MCP Manager).

updated Aug 2026

Claude-Code-Workflow

2.1k
@catlog22

JSON-driven multi-agent cadence-team development framework with intelligent CLI orchestration (Gemini/Qwen/Codex), context-first architecture, and automated workflow execution

updated Aug 2026

esp32_nat_router

2.1k
@martin-ger

An AI-enabled NAT Router/Firewall for the ESP32

updated Aug 2026

pixel2motion

2.1k
@nolangz

AI logo animation skill: turn raster logos into smooth SVG animation, animated HTML demos, GIF/video previews, and motion QA evidence.

updated Aug 2026

claude-code-history-viewer

2.1k
@jhlee0409

desktop app to browse and analyze your Claude Code conversation history

updated Aug 2026

fusio

2.1k
@apioo

Self-Hosted API Management for Builders

updated Aug 2026

DevDocs

2.1k
@cyberagiinc

Completely free, private, UI based Tech Documentation MCP server. Designed for coders and software developers in mind. Easily integrate into Cursor, Windsurf, Cline, Roo Code, Claude Desktop App

updated Aug 2026

claude-code.nvim

2.1k
@greggh

Seamless integration between Claude Code AI assistant and Neovim

updated Aug 2026

claude-real-video

2.1k
@HUANGCHIHHUNGLeo

Let Claude (or any LLM) actually watch a video — scene-aware, deduplicated frames + transcript, from a URL or local file. Runs locally, MIT.

updated Aug 2026

karpathy-llm-wiki

2.1k
@Astro-Han

Agent Skills-compatible LLM wiki for Claude Code, Cursor, and Codex. Build a Karpathy-style knowledge base from raw sources, citations, and linting.

updated Aug 2026

open-cowork

2.1k
@OpenCoworkAI

Open-source AI agent desktop app for Windows & macOS. One-click install Claude Code, MCP tools, and Skills — with sandbox isolation, multi-model support, and Feishu/Slack integration.

updated Aug 2026
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