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

armavita-meta-ads-mcp

46
@EfrainTorres

Instagram & Facebook MCP server for Meta Marketing API v25 with secure token redaction, cursor pagination, and OSS tooling for campaigns, ad sets, ads, creatives, insights, and reports.

updated May 2026

tengu

46
@rfunix

AI-powered penetration testing MCP server

updated Jun 2026

Carmack-Council

46
@SamJHudson01

Multi-agent Claude Code skill for building apps and stuff

updated May 2026

codexlens-search

46
@catlog22

Lightweight semantic code search engine — 2-stage vector + FTS + RRF fusion + MCP server for Claude Code

updated May 2026

clyro

46
@getclyro

Clyro is a governance platform for AI agents. While most tools let you watch agents fail, Clyro stops failures before they happen, catching infinite loops, runaway costs, and policy violations in real time.

updated May 2026

skill-interview-builder

46
@irenerachel

【Skill】通过结构化访谈引导用户生成完整的 Claude Skill 文件包

updated Jun 2026

r18-anthropics-claude-code-devops

46
@HelperMenhir

☁️ DevOps & Cloud Infrastructure skill suite derived from anthropics/claude-code.

updated May 2026

r18-anthropics-claude-code-ecommerce

46
@centerbytemanage

🛒 E-commerce & Retail skill suite derived from anthropics/claude-code.

updated May 2026

skills

46
@califio

Claude Code plugins and Codex skills from Calif.io for AI-assisted security research and code auditing

updated May 2026

korea-finance-mcp

46
@emceeKim

Korea's first legally-safe (Capital Markets Act compliant) finance MCP. 15 tools (ECOS · Real Estate · DART · KRX) + 2 Korea-unique synergy tools.

updated May 2026

DeveloperGPT

45
@luo-anthony

DeveloperGPT is a LLM-powered command line tool that enables natural language to terminal commands and in-terminal chat.

updated May 2026

keycloak-model-context-protocol

45
@ChristophEnglisch

MCP server implementation for Keycloak user management. Enables AI-powered administration of Keycloak users and realms through the Model Context Protocol (MCP). Seamlessly integrates with Claude Desktop and other MCP clients for automated user operations.

updated May 2026

mcp-zenml

45
@zenml-io

MCP server to connect an MCP client (Cursor, Claude Desktop etc) with your ZenML MLOps and LLMOps pipelines

updated Jun 2026

thingspanel-mcp

45
@ThingsPanel

This MCP server integrates ThingsPanel IoT platform with AI models like Claude, GPT, and others that support the Model Context Protocol.

updated May 2026

mcp-gopls

45
@Yantrio

Go language server (gopls) wrapped as an MCP server for AI-powered code assistance in Claude and other MCP-compatible tools

updated May 2026

mcp-tasks

45
@flesler

A comprehensive and efficient MCP server for task management with multi-format support (Markdown, JSON, YAML)

updated May 2026

code-screenshot-mcp

45
@MoussaabBadla

MCP server for generating beautiful code screenshots directly from Claude

updated May 2026

rag-cli

45
@ItMeDiaTech

Local Retrieval-Augmented Generation (RAG) plugin for Claude Code that combines Chroma db vector embeddings with intelligent info retrieval with Multi-Agent Framework (MAF) orchestration for context-aware development assistance. Uses Open Source / Free frameworks. Implements bridge to Claude Code CLI so no token use. And it's easy to setup.

updated May 2026

mcp-execution

45
@bug-ops

🚀 Generate executable TypeScript tools from MCP servers with 98% token savings. Progressive loading pattern for AI agents. Production-ready.

updated May 2026

Wwise-MCP

45
@BilkentAudio

Wwise-MCP is a Model Context Protocol (MCP) server that enables large language models (LLMs) to interact with the Wwise Authoring application. It exposes a set of tools built on a custom Python WAAPI library, allowing MCP clients such as Claude or Cursor to automate and compose complex, multi-step Wwise workflows.

updated Jun 2026

maniple

45
@Martian-Engineering

MCP server for orchestrating Claude Code or Codex sessions via iTerm2 or tmux

updated May 2026

rails-claude-code

45
@maquina-app

Rails plugins: simplifier, upgrade-assistant, ui-standards

updated May 2026

wigtn-plugins

45
@wigtn

Claude Code Plugins for AI Native-based Engineer

updated Jun 2026

obsidian-dev-skills

45
@davidvkimball

Centralized AI agent skills for Obsidian plugin and theme development.

updated May 2026
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