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

advanced-unity-mcp

91
@codemaestroai

Public repository for Advanced Unity MCP by Code Maestro (www.code-maestro.com).

updated May 2026

mcp-forge

91
@achetronic

A complete MCP server template that include vitamins (oauth authentication included)

updated May 2026

houtini-lm

91
@houtini-ai

MCP server that saves Claude Code tokens by delegating bounded tasks to local or cloud LLMs. Works with LM Studio, Ollama, vLLM, DeepSeek, Groq, Cerebras.

updated May 2026

ncp

91
@portel-dev

Natural Context Provider (NCP). Your MCPs, supercharged. Find any tool instantly, load on demand, run on schedule, ready for any client. Smart loading saves tokens and energy.

updated Jun 2026

pi-tasks

91
@tintinweb

A pi extension that brings Claude Code-style task tracking and coordination to pi. Track multi-step work with structured tasks, dependency management, and a persistent visual widget.

updated May 2026

Vera

91
@lemon07r

Local code search combining BM25, vector similarity, and cross-encoder reranking. Parses 60+ languages with tree-sitter, runs entirely offline, and returns structured results with file paths, line ranges, and symbol metadata. Built in Rust.

updated May 2026

skill-optimizer

91
@hqhq1025

Agent Skills lifecycle toolkit: mine repeated coding-agent workflows, audit and personalize skills, and generalize personal skills for public release.

updated Jun 2026

anansi

91
@mdowis

A self-healing web scraper built for hostile sites: selectors repair themselves, browser rendering kicks in when needed, and Chrome TLS fingerprinting evades bot detection. Ships with an MCP server so any LLM can drive a full crawl through conversation.

updated Jun 2026

ols4

90
@EBISPOT

The EMBL-EBI Ontology Lookup Service (OLS)

updated May 2026

mcp-github-project-manager

90
@kunwarVivek

a mcp server to manage github project's functionality

updated May 2026

gitlab-mr-mcp

90
@kopfrechner

Interact seamlessly with GitLab repositories to manage merge requests and issues. Fetch details, add comments, and streamline your code review process with ease.

updated Jun 2026

mcp-ui

90
@bitshift-byte

基于MCP(Model Context Protocol)的智能聊天应用,支持Web和桌面环境。集成OpenAI/Anthropic API,提供MCP服务器的所有工具能力。简洁现代的UI设计,支持跨平台部署。

updated May 2026

mcpgen

90
@lyeslabs

Generate Go MCP server boilerplate from OpenAPI 3 specifications

updated May 2026

claude-code-notification

90
@wyattjoh

A lightweight macOS desktop notification hook for Claude Code that displays native notifications with customizable system sounds when events occur during AI coding sessions.

updated Jun 2026

everything-claude-code

90
@WorldFlowAI

Claude Code toolkit - agents, commands, skills, rules, and hooks for productive AI-assisted development

updated Jun 2026

signal_bridge_remote

90
@AletheiaVox

A remote MCP server that lets Claude control Bluetooth intimate hardware over the internet via Buttplug.io / Intiface Central.

updated May 2026

Pepper

90
@skwallace36

iOS dynamic library MCP for agents

updated May 2026

wow-harness

90
@NatureBlueee

Local AI development harness for Claude Code. Fail-closed 8-gate governance, 16 skills, hooks-level enforcement.

updated May 2026

academia_mcp

89
@IlyaGusev

Academia MCP server: Tools for automatic scientific research

updated May 2026

Basecamp-MCP-Server

89
@georgeantonopoulos

MCP server for Basecamp 3 with OAuth, FastMCP, and 75 tools for projects, todos, messages, card tables, docs, uploads, and search.

updated May 2026

zed-mcp-server-github

89
@LoamStudios

A GitHub MCP Server extension for Zed

updated May 2026

furi

89
@ashwwwin

CLI & API for MCP management

updated May 2026

ollama-mcp-bridge

89
@jonigl

Extend the Ollama API with dynamic AI tool integration from multiple MCP (Model Context Protocol) servers. Fully compatible, transparent, and developer-friendly, ideal for building powerful local LLM applications, AI agents, and custom chatbots

updated May 2026

crawl4ai-mcp-server

89
@sadiuysal

🕷️ A lightweight Model Context Protocol (MCP) server that exposes Crawl4AI web scraping and crawling capabilities as tools for AI agents. Similar to Firecrawl's API but self-hosted and free. Perfect for integrating web scraping into your AI workflows with OpenAI Agents SDK, Cursor, Claude Code, and other MCP-compatible tools.

updated May 2026
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