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

deterministic-agent-control-protocol

87
@elliot35

Governance gateway for AI agents — bounded, auditable, session-aware control with MCP proxy, shell proxy & HTTP API. Works with Cursor, Claude Code, Codex, and any MCP-compatible agent.

updated May 2026

aivectormemory

87
@Edlineas

aivectormemory 是一款基于 Model Context Protocol (MCP) 开发的OpenClaw、OpenCode、ClaudeCodeAI记忆管理工具。它专门为 Claude、OpenCode、Cursor 和 主流IDE 编程工具设计,通过向量数据库技术解决 AI 在不同对话会话中「健忘」的问题。aivectormemory: A lightweight MCP Server enabling persistent, cross-session memory for AI-powered IDEs via vector search.

updated May 2026

mem0-mcp-selfhosted

87
@elvismdev

Self-hosted mem0 MCP server for Claude Code. Run a complete memory server against self-hosted Qdrant + Neo4j + Ollama while using Claude as the main LLM.

updated May 2026

rustchain-mcp

87
@Scottcjn

MCP server for RustChain blockchain and BoTTube video platform — AI agent tools for earning RTC tokens. Built on createkr's RustChain SDK.

updated Jun 2026

Meting-Agent

87
@ELDment

🪐 面向 AI 的多音乐平台的 API 代理 • 网易云 • QQ音乐 • 酷狗 • 酷我 🎻 Multi-platform music API agent for AI • NetEase • QQ Music • KuGou • Kuwo

updated May 2026

whoop-mcp

87
@shashankswe2020-ux

MCP server to connect to whoop API

updated Jun 2026

parallel-browser-mcp

87
@etairl

An MCP server for parallel browser automation by AI agents with multiple cloud providers

updated Jun 2026

claude-paperloom

87
@trapoom555

Claude Code Plugin for Self-maintaining research knowledge graph for Claude Code + Obsidian

updated May 2026

cybrix-skills

87
@cybrixcc

Claude Code skills for Cybrix — install via "claude plugin marketplace add cybrixcc/cybrix-skills". Open-source skills paired with the Cybrix hosted backend.

updated Jun 2026

gdai-mcp-plugin-godot

86
@3ddelano

A MCP server integration for Godot Engine that allows Claude, Cursor, Windsurf, VSCode, etc to perform actions like creating scenes, resources, scripts, reading errors and much more.

updated May 2026

ChEMBL-MCP-Server

86
@Augmented-Nature

A comprehensive Model Context Protocol (MCP) server providing advanced access to the ChEMBL chemical database.

updated May 2026

fhir-mcp-server

86
@the-momentum

FHIR MCP Server for handling medical data standard.

updated May 2026

claude-code-marketplace

86
@Dev-GOM

Claude Code plugins & extensions - Hooks, commands, and agents for developer productivity and workflow automation

updated May 2026

notebooklm-mcp

86
@roomi-fields

Google NotebookLM over MCP + a local HTTP REST API. Citation-backed Q&A, audio/video/content generation, multi-account rotation. For Claude Code, Codex, Cursor, n8n, Zapier, Make.

updated Jun 2026

adeu

86
@dealfluence

docx ↔ LLM translator. Projects .docx to Markdown for editing. Projects edits back to OOXML as tracked changes. Python and Node.js implementations.

updated Jun 2026

apitap

86
@n1byn1kt

CLI, MCP server, and npm library that turns any website into an API — no docs, no SDK, no browser.

updated May 2026

mc-agent-toolkit

86
@monte-carlo-data

Official Monte Carlo toolkit for AI coding agents. Skills and plugins that bring data and agent observability — monitoring, triaging, troubleshooting, health checks — into Claude Code, Cursor, and more.

updated May 2026

vessel-browser

86
@unmodeled-tyler

Built from the ground-up for agents, Vessel Browser is an open source AI browser for Linux/Mac/Windows that provides a durable state, MCP control, and BYOK with full autonomous browsing. Use with Hermes Agent, OpenClaw, or connect to your favorite API provider.

updated Jun 2026

stacklit

86
@glincker

One command gives AI agents instant codebase context. ~250 tokens replaces 50,000+ tokens of exploration. Auto-configures Claude Code, Cursor, Aider.

updated Jun 2026

shokunin

86
@EliasOulkadi

職人 Shokunin 62 AI agent skills for OpenCode, Claude Code, Cursor, Windsurf. ChromaDB memory, MCP servers, declarative self-updates. Multi-model, open source, zero cost.

updated May 2026

quarkus-workshop-langchain4j

85
@quarkusio

Quarkus LangChain4J Workshop that demonstrates both single AI service capabilities and Agentic AI orchestration

updated Jun 2026

ableton-copilot-mcp

85
@xiaolaa2

An MCP server built on ableton-js enables AI assistants to control Ableton Live in real time, including Arrangement View operations such as song management, track control, MIDI editing, and audio recording, along with other capabilities.

updated May 2026

github-chat-mcp

85
@AsyncFuncAI

A Model Context Protocol (MCP) for analyzing and querying GitHub repositories using the GitHub Chat API.

updated May 2026

best-of-mcp-servers

85
@tolkonepiu

🏆 A ranked list of MCP servers. Updated weekly.

updated May 2026
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