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

8236entries
★ starsA–Z name

MoltBrain

252
@nhevers

Long-term memory layer for OpenClaw & MoltBook agents that learns and recalls your project context automatically.

updated Jul 2026

foundry-mcp-server

250
@PraneshASP

An experimental MCP Server for foundry built for Solidity devs

updated Jul 2026

Google-Research-MCP

249
@mixelpixx

MCP Server built for use with Claude Code, Claude Desktop, VS Code, Cline - enable google search and ability to follow links and research websites

updated Jul 2026

MCPBench

249
@modelscope

The evaluation benchmark on MCP servers

updated Jul 2026

mcp-servers-for-revit

249
@mcp-servers-for-revit

🔥💧🤖 Sparx fork of the mcp-servers-for-revit/revit-mcp project

updated Jul 2026

comfyui-custom-node-skills

249
@jtydhr88

A curated collection of [Claude Code skills](https://docs.anthropic.com/en/docs/claude-code/skills) for developing ComfyUI custom nodes. These skills give Claude comprehensive knowledge of the ComfyUI node system, covering both the V3 (recommended) and V1 (legacy) APIs.

updated Jul 2026

openaccountants

249
@openaccountants

Open-source Tax Guides for AI agents, reviewed by named CPAs/CAs/EAs. 1,000+ Guides across 190+ jurisdictions. MCP server included. Works with Claude, ChatGPT, Cursor.

updated Jul 2026

mcp-telegram

247
@dryeab

MCP Server for Telegram

updated Jul 2026

wmux

247
@openwong2kim

Windows tmux alternative for AI agents — split terminals for Claude Code, Codex, Gemini CLI with MCP browser automation. No WSL required.

updated Jul 2026

mysql_mcp_server_pro

246
@wenb1n-dev

Model Context Protocol (MCP) server that supports secure interaction with MySQL databases and has anomaly analysis capabilities.更加牛逼!更加好用!不仅止于mysql的增删改查功能; 还包含了数据库异常分析能力;且便于开发者们进行个性化的工具扩展

updated Jul 2026

weather-mcp-server

246
@ezh0v

A lightweight Model Context Protocol (MCP) server that enables AI assistants like Claude to retrieve and interpret real-time weather data. Discuss on Hacker News:

updated Jul 2026

jat

246
@joewinke

The World's First Agentic IDE. Visual dashboard: live sessions, task management, code editor, terminal. Epic Swarm parallel workflows. Auto-proceed rules. Automation patterns. Beads + Agent Mail + 50 bash tools. Supervise 20+ agents from one UI.

updated Jul 2026

ArcRift

246
@Eshaan-Nair

Persistent local memory layer for AI. ArcRift uses a extension and a native MCP server to sync context and decisions from your browser chats (Claude, ChatGPT, DeepSeek) straight to your local IDE agents (Cursor, Claude Code, Windsurf) powered by a local SQLite knowledge graph.

updated Jul 2026

claude_code-gemini-mcp

245
@RaiAnsar

Simplified Gemini for Claude Code.

updated Jul 2026

prompt-architect

245
@ckelsoe

Claude Code skill that transforms vague prompts into structured, expert-level prompts using 7 research-backed frameworks (CO-STAR, RISEN, RISE, TIDD-EC, RTF, CoT, CoD)

updated Jul 2026

anki-mcp-server

244
@nailuoGG

MCP server for Anki via AnkiConnect

updated Jul 2026

mcp-todoist

244
@greirson

MCP server that connects Claude to Todoist for natural language task and project management with bulk operations

updated Jul 2026

ed3d-plugins

241
@ed3dai

Ed's repo of Claude Code plugins, centered around a research-plan-implement workflow. Only a tiny bit cursed. If you're lucky.

updated Jul 2026

Claude-Autopilot

240
@benbasha

VS Code/Cursor extension for automating Claude Code tasks with intelligent queuing, batch processing, and auto-resume.

updated Jul 2026

PIXRA

239
@dodufish

Pixelize the real world on-chain

updated Jan 2026

phone-mcp

239
@hao-cyber

A phone control plugin for MCP that allows you to control your Android phone through ADB commands to connect any human

updated Jul 2026

vbm-replication-extension

238
@andybhall

Replication and extension of Thompson et al. (2020) - Created with Claude Code

updated Jul 2026

skyll

237
@assafelovic

A tool for autonomous agents like OpenClaw to discover and learn skills autonomously

updated Jul 2026

awesome-system-prompts

236
@EliFuzz

A collection of system prompts and tool definitions from various AI coding agents: Augment Code, Claude Code, Cluely, Cursor, Devin AI, Kiro, Perplexity, VSCode Agent, Gemini, Codex, OpenAI

updated Jul 2026
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