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

8253entries
★ starsA–Z name

moneybird-mcp-server

27
@vanderheijden86

Moneybird MCP Server - AI-powered bookkeeping

updated Mar 2026

sequel-mcp

27
@haxzie

MCP Database servers for Claude, Cursor and Windsuf

updated Jan 2026

indian-railway-mcp

27
@amith-vp

MCP server for Indian Railway data. Search trains, check seat availability, get live statuses, delay info, station/train codes, and more — all via a simple Claude Desktop integration.

updated May 2026

mcp-mochi

27
@fredrikalindh

MCP server for Mochi flashcard system to create flashcards with Claude.

updated Jun 2026

shortcuts-mcp-server

27
@artemnovichkov

Shortcuts + MCP = ♥️

updated May 2026

mcp-task-orchestrator

27
@EchoingVesper

A Model Context Protocol server that provides task orchestration capabilities for AI assistants

updated May 2026

ClaudeCodeUsage

27
@jack21

A VSCode extension that monitors Claude Code usage and costs directly in your status bar.

updated Jun 2026

granola-claude-mcp

27
@cobblehillmachine

Custom MCP server connecting Granola.ai meeting data to Claude Desktop for AI-powered meeting intelligence

updated Mar 2026

openalex-research-mcp

27
@oksure

MCP server for the OpenAlex API — search 240M+ scholarly works, analyze citations, track research trends, and map collaboration networks

updated May 2026

claude-code-plugin-marketplace

27
@jmanhype

Multi-agent trading, swarm intelligence, and GitHub automation plugins for Claude Code. 19 production-grade plugins built from 68+ specialized agents.

updated Jun 2026

cccmemory

27
@xiaolai

MCP server for indexing and searching Claude Code conversation history with decision tracking and git integration

updated May 2026

odin-claude-plugin

27
@OutlineDriven

Outline-Driven Development for Claude Code - 46 agents, 25+ skills, diagram-first methodology, AST-based editing, atomic commits.

updated Jun 2026

resu.nvim

27
@koushikxd

a neovim plugin for anyone using claude code/AI coding tools

updated May 2026

world-intel-mcp

27
@marc-shade

100+ tool MCP server for real-time global intelligence — markets, FX, bonds, earnings, SEC filings, conflict, military, cyber, climate, news, company enrichment, and 30+ domains. Live Leaflet dashboard with 20 map layers, SSE streaming, and AI situation briefs.

updated Jun 2026

cc-switch-web

27
@cp-yu

All-in-One AI CLI Management Platform for Claude Code, Codex & Gemini - Provider switching, MCP servers, Skills, Prompts management. Now with Web UI for headless/SSH environments.

updated Jun 2026

reachy-mini-mcp

27
@jackccrawford

Reachy Mini MCP | Give your AI a body. This MCP server lets AI systems control the Pollen Robotics Reachy Mini robot. | Speak, listen, see you, and express emotions through physical movement and voice. | Works with Claude, Windsurf, Cursor, or any MCP-compatible AI. | Zero robotics expertise required.

updated May 2026

reviewcerberus

27
@Kirill89

AI-powered code review tool that analyzes git branch differences and generates comprehensive review reports. Supports AWS Bedrock and Anthropic API. Features automated analysis of logic, security, performance, and code quality with smart token efficiency through prompt caching.

updated May 2026

trayd-mcp

27
@trayders

Trade Robinhood via Claude Code - MCP Server

updated Jun 2026

cc-spec-driven

27
@mkhrdev

A Claude Code plugin for managing requirement documents, tracking changes, and outputting specs — enabling downstream tools to generate code based on high-quality specs and complete E2E testing.

updated May 2026

slack-mcp-server

27
@jtalk22

Session-based Slack MCP for Claude and MCP clients: local-first workflows, secure-default HTTP.

updated May 2026

LSP4J-MCP

27
@stephanj

A Java MCP (Model Context Protocol) server that wraps JDTLS (Eclipse JDT Language Server) using LSP4J to provide Java IDE features to AI assistants like Claude.

updated May 2026

TealFlowMCP

27
@Appsilon

MCP server for building Teal R Shiny apps with AI assistance. Clinical trial data analysis made easy with Claude, Copilot & more.

updated May 2026

agent-library

27
@ArcadeAI

Agent Library personal knowledge base with a search and retrieval system MCP Server and CLI. Preconfigured local models and support for Text, images, OCR/vision, and code embeddings. Use over MCP with (Claude, Cursor, Codex, ChatGPT, etc)

updated Jun 2026

prismatic-skills

27
@prismatic-io

Claude (Agent) Skills for building code-native integrations and custom connectors on the Prismatic.io platform

updated May 2026
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