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

8237entries
★ starsA–Z name

production-grade-mcp-agentic-system

49
@FareedKhan-dev

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

updated Jul 2026

claude-web

49
@heng1234

Web UI for Claude Code CLI - token streaming, tool visualization, checkpoint, multi-session management

updated Jul 2026

devin-handoff

49
@club-cog

Hand off tasks to Devin — a plugin/skill for Claude Code, Codex, Cursor, and any coding agent

updated Jul 2026

lazy-cat

49
@albertobarnabo

Claude Code skills for developers who code like cats — never more effort than the problem requires.

updated Jul 2026

anthropic-php

48
@mozex

PHP client for the Anthropic API: messages, streaming, tool use, thinking, web search, code execution, batches, and more.

updated Jul 2026

claude-mcp-setup

48
@patruff

Easy setup script for Anthropic Claude Model Context Protocol (MCP) servers on Windows

updated Jul 2026

steel-mcp-server

48
@steel-dev

MCP Server for interacting with a Steel web browser

updated Jul 2026

mcp-rquest

48
@xxxbrian

A MCP server providing realistic browser-like HTTP request capabilities with accurate TLS/JA3/JA4 fingerprints for bypassing anti-bot measures. It also supports converting PDF and HTML documents to Markdown for easier processing by LLMs.

updated Jun 2026

claude-search-mcp

48
@Doriandarko

A MCP server that provides web search capabilities using the Claude API.

updated May 2026

rag-cli

48
@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 Jul 2026

mcp-wireshark

48
@khuynh22

An MCP server that integrates Wireshark/tshark with AI tools and IDEs. Capture live traffic, parse .pcap files, apply display filters, follow streams, and export JSON - all via Claude Desktop, VS Code, or CLI. Cross‑platform, typed, tested, and pip‑installable.

updated Jul 2026

maniple

48
@Martian-Engineering

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

updated Jun 2026

apple-mail-mcp

48
@sweetrb

MCP server for Apple Mail - read, search, send, and manage emails via Claude and other AI assistants

updated Jul 2026

claude-code-zero

48
@LeeJuOh

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

updated Jul 2026

mckinsey-style-visualization-skill

48
@kgraph57

Agent Skill that turns messy notes into rendered strategy-consulting visuals, with SVG examples and validation.

updated Jul 2026

marketing-os-starter

48
@ericosiu

An AI marketing team you can clone and run in 30 minutes. 4 specialized agents, 5 skills, structured handoffs, persistent memory. Built on Claude Code.

updated Jul 2026

codexlens-search

48
@catlog22

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

updated Jun 2026

evolving-lite

48
@primeline-ai

A self-evolving Claude Code plugin. Context routing, memory bootup, smart delegation, self-correction — out of the box.

updated Jul 2026

gemini-plugin-cc

48
@abiswas97

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

updated Jul 2026

trvl

48
@MikkoParkkola

Travel MCP server + CLI for AI assistants — flights, hotels, trains, cars, ferries, price alerts. No API keys, single Go binary. 1 smart MCP tool + 66 aliases (98.9% smaller tools/list). Works with Claude, Cursor, Windsurf, Codex.

updated Jul 2026

master-claude-for-legal

48
@sboghossian

Master skill pack for legal teams using Claude. References, starter skills, templates, and the source webinar dataset. Built from Anthropic's Claude for Legal Teams webinar + HAQQ deployment experience. MIT.

updated Jul 2026

fable-skills

48
@DizzyMii

Six Claude Code skills that harden Opus 4.8 toward frontier behavior — written by Fable 5, pressure-tested on the target model with transcripts included.

updated Jul 2026

HXAudioPlayer

47
@huhx0015

HX Audio Player: A custom audio wrapper library for Android 5.0 and above. Originally designed as an audio library for games, HX Audio Player is an easy-to-use, alternative approach to implementing music and sound playback into Android applications.

updated Jul 2026

ask

47
@elias-ba

ask is an AI-powered CLI tool for developers who live in the terminal. It brings multi-provider LLM support, agent capabilities, and shell-native intelligence to your fingertips.

updated Jul 2026
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