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

8250entries
★ starsA–Z name

claude-code-zero

45
@LeeJuOh

Complete Claude Code plugin marketplace — agents, skills, hooks, commands, rules, MCPs.

updated May 2026

autonomous-claude-agent-team

45
@NTCoding

An autonomous claude code development team orchestrated by a hook-driven deterministic code workflow. An example repo to inspire your own workflow

updated May 2026

claude-qmd-sessions

45
@wbelk

Persistent chat session memory for Claude Code with qmd. Index updates itself via Claude hooks.

updated Jun 2026

ultimate-seo-geo

45
@mykpono

The definitive SEO + GEO skill for Claude. Full site audits with scored findings, AI search optimization (Google AI Overviews, ChatGPT, Perplexity), schema generation, E-E-A-T assessment, and 20 diagnostic scripts. Three modes: Audit → Plan → Execute.

updated May 2026

claude-line-channel

45
@NYCU-Chung

LINE Messaging API channel plugin for Claude Code

updated Apr 2026

llm-wiki-plugin

45
@praneybehl

Andrej Karpathy's LLM Wiki pattern as a Claude Code plugin — turn accumulated sources into a self-maintaining, scalable markdown knowledge base.

updated Jun 2026

korean-contracts

45
@kimlawtech

한국 사업자용 계약서 자동 생성 Claude Code 스킬. 9종 계약서(근로·알바·유연·일용·프리랜서·외주·변경·연봉) + MCP 개인정보 보호 서버. 2026 최저임금·최신 대법원 판례 반영.

updated May 2026

fusion-mcp-server

44
@Joe-Spencer

A model context protocol (MCP) server for Autodesk Fusion that provides resources and tools from ADSK to an AI client such as Claude or Cursor.

updated May 2026

bigquery-data-analytics

44
@gemini-cli-extensions

Data Analytics skills for BigQuery

updated Jun 2026

quickstop

44
@acostanzo

A Claude Code plugin marketplace

updated May 2026

rag-code-mcp

44
@doITmagic

Privacy-first semantic code navigation MCP server using RAG. Features deep AST multi-language support (Go, PHP/Laravel/WP, JS/TS/React, Python), 100% local LLMs (Ollama), and vector search (Qdrant) for AI IDEs like Cursor, Windsurf, Copilot, and Claude.

updated Jun 2026

SpecialAgentPlugin

44
@ArtisanGameworks

SpecialAgent is an Unreal Engine 5 plugin that implements a Model Context Protocol (MCP) server, allowing Large Language Models like Claude to programmatically interact with UE5 projects. With 71+ tool endpoints across 14 service categories, LLMs gain comprehensive control for building complex 3D environments.

updated May 2026

gemini-plugin-cc

44
@abiswas97

Use Gemini from Claude Code to review code or delegate tasks.

updated Jun 2026

obsidian-skill-graph

44
@hanamizuki

Obsidian plugin to visualize agent skill structures (OpenClaw / Claude Code) in graph view

updated May 2026

figmosha

44
@denysosadchyi

AI-driven Figma design automation — Claude Code draws UI via Playwright + Scripter plugin

updated May 2026

production-grade-mcp-agentic-system

44
@FareedKhan-dev

Building a Production-Grade MCP Server Architecture with a Multi-Agent System

updated May 2026

scientific-research-skills

44
@jxtse

Skills and tools for scientific research with LLM agents. 给 Agent(如 Claude Code、Openclaw)提供的科研 skills

updated May 2026

orca-skills

44
@orcasecurity

Skills and plugins to accelerate security workflows with the Orca Cloud Platform

updated May 2026

hermes-mcp

44
@mlennie

MCP server that lets any llm (i.e. Claude Desktop) delegate tasks to a local Hermes Agent — cron jobs, web search, email, documents, and more.

updated Jun 2026

mcp-logic

43
@angrysky56

Fully functional AI Logic Calculator utilizing Prover9/Mace4 via Python based Model Context Protocol (MCP-Server)- tool for Windows, Linux, Claude App etc

updated May 2026

mcp-googletasks

43
@arpitbatra123

This Model Context Protocol (MCP) server provides a bridge between LLMs and Google Tasks, allowing you to manage your task lists and tasks directly through Claude.

updated Jun 2026

project_astro

43
@whit3rabbit0

MCP Server and Kali API Server- With Claude Desktop Integ

updated Jun 2026

mcp-js

43
@r33drichards

MCP server that exposes a V8 JavaScript runtime as a tool for AI agents like Claude and Cursor. Supports persistent heap snapshots via S3 or local filesystem, and is ready for integration with modern AI development environments.

updated Jun 2026

schwab-mcp

43
@sudowealth

Schwab MCP server that enables AI assistants like Claude to retrieve and interact with your Schwab accounts and Schwab market data.

updated May 2026
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