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

8165entries
★ starsA–Z name

mcp-knowledge-graph

862
@shaneholloman

MCP server enabling persistent memory for Claude through a local knowledge graph - fork focused on local development

updated May 2026

voicetree

859
@voicetreelab

The spatial IDE for recursive multi-agent orchestration. It's like an Obsidian graph-view that you work directly inside of.

updated May 2026

MyAgents

857
@hAcKlyc

MyAgents - 优雅、易用的 Agent 桌面端 ,一站式 Agent 工作台与任务中心

updated May 2026

evo

855
@evo-hq

turns your codebase into an autoresearch loop — discovers what to measure, instruments the benchmark, then runs tree search with parallel subagents.

updated May 2026

AutoR

847
@AutoX-AI-Labs

AI handles execution, humans own the direction, and every run becomes an inspectable research artifact on disk.

updated May 2026

matlab-mcp-core-server

846
@matlab

Run MATLAB® using AI applications with the official MATLAB MCP Server from MathWorks®. This MCP server for MATLAB supports a wide range of coding agents like Claude Code® and Visual Studio® Code.

updated Jun 2026

stackql

844
@stackql

Query, provision and operate Cloud and SaaS resources and APIs using an extensible SQL based framework

updated May 2026

hermes-agent-control-room

844
@CryptoDmitry

Control Room-first template for managing Hermes agents from one VPS agent to specialist teams and orchestrated workflows

updated May 2026

zotero-mcp

843
@cookjohn

It's a plugin extension in Zotero. Zotero MCP Plugin enables integration between AI assistants and Zotero through MCP. Zotero MCP Plugin 是一个 Zotero 插件,通过 MCP协议实现 AI 助手与 Zotero深度集成。插件支持文献检索、元 数据管理、全文分析和智能问答等功能,让 Claude、ChatGPT 等 AI 工具能够直接访问和操作您的文献库。

updated Jun 2026

antigravity-skills

843
@guanyang

Empower agents with professional capabilities in specific fields (such as full-stack development, complex logic planning, multimedia processing, etc.) through modular Skills definitions, allowing agents to solve complex problems systematically like human experts.

updated May 2026

bank-api

835
@erwinkramer

The Bank API is a design reference project suitable to bootstrap development for a compliant and modern API.

updated May 2026

agentsys

834
@agent-sh

AI writes code. This automates everything else · 24 plugins · 49 agents · 44 skills · for Claude Code, OpenCode, Codex, Cursor, Kiro.

updated May 2026

yokai

833
@ankorstore

Simple, modular, and observable Go framework for backend applications.

updated May 2026

mcp-searxng

833
@ihor-sokoliuk

MCP Server for SearXNG

updated May 2026

coderunner

832
@instavm

A local sandbox for your AI agents

updated May 2026

everything-claude-code-zh

832
@xu-xiang

everything-claude-code 中文翻译项目:完整的 Claude Code 配置集合(agents, skills, hooks, commands, rules, MCPs)。源自 Anthropic 黑客松获胜者的实战配置,助力中文工程师高效理解与使用 Claude Code。

updated Jun 2026

metabot

831
@xvirobotics

构建受监督的、自我进化的 Agent 组织的基础设施 | Infrastructure for supervised, self-improving agent organization. 飞书/Telegram 手机端运行 Claude Code 或 Kimi Code(双引擎,两家原生订阅直接用),共享记忆、Agent 工厂、定时任务、通信总线。

updated May 2026

golf

829
@golf-mcp

Production-Ready MCP Server Framework • Build, deploy & scale secure AI agent infrastructure • Includes Auth, Observability, Debugger, Telemetry & Runtime • Run real-world MCPs powering AI Agents

updated May 2026

pydantic-deepagents

829
@vstorm-co

Build Claude Code–style deep agents in Python: tool-calling, sandboxed execution, multi-agent teams, skills, checkpoints, and unlimited context — all on Pydantic AI.

updated May 2026

SWE-AF

825
@Agent-Field

Autonomous software engineering fleet of AI agents for production-grade PRs on AgentField: plan, code, test, and ship.

updated May 2026

sleepless-agent

823
@context-machine-lab

🤖 24/7 AI agent that maximizes Claude Code Pro usage via Slack. Auto-processes tasks, manages isolated workspaces, creates Git commits/PRs, and optimizes day/night usage thresholds.

updated May 2026

browser-use-mcp-server

822
@kontext-security

Browse the web, directly from Cursor etc.

updated May 2026

claude-code-changelog

821
@marckrenn

Tracking prompts, feature flags and metadata of Claude Code releases. Subscribe to ↓

updated May 2026

gemini-skill

821
@WJZ-P

gemini drawing MCP & skill through browser, can be used in openclaw or any agent that supports MCP. Gemini画图 MCP和sill,支持龙虾或任何agent使用٩(๑>◡<๑)۶

updated May 2026
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