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

PowerShell.MCP

70
@yotsuda

The universal MCP server for Claude Code and other MCP-compatible clients. One installation gives AI access to 10,000+ PowerShell modules and any CLI tool. You and AI collaborate in the same console with full transparency. Supports Windows, Linux, and macOS.

updated Jun 2026

crash-mcp

70
@nikkoxgonzales

MCP server for structured and efficient reasoning with step validation, branching, and revisions.

updated May 2026

sawyer-mart

70
@SawyerHood

Claude Code plugin marketplace

updated Mar 2026

claude-code-plugin

70
@browserbase

Browserbase plugin for Claude Code - Use cloud browsers with Claude Code instead of local Chrome

updated May 2026

tweetclaw

70
@Xquik-dev

OpenClaw plugin to search tweets, search replies, post tweets, export followers, manage media, monitor X/Twitter, and run giveaway draws via Xquik.

updated May 2026

piapi-mcp-server

69
@apinetwork

A TypeScript implementation of a Model Context Protocol (MCP) server that integrates with PiAPI's API. PiAPI makes user able to generate media content with Midjourney/Flux/Kling/LumaLabs/Udio/Chrip/Trellis directly from Claude or any other MCP-compatible apps.

updated May 2026

deepseek-thinker-mcp

69
@ruixingshi

A MCP provider Deepseek reasoning content to MCP-enabled AI Clients, like Claude Desktop. Supports access to Deepseek's CoT from the Deepseek API service or a local Ollama server.

updated May 2026

PACT-Plugin

69
@Synaptic-Labs-AI

Claude Code Agentic Harness

updated Jun 2026

daisyui-mcp

69
@birdseyevue

🌼 A token-friendly local MCP server for DaisyUI component documentation using their public llms.txt.

updated May 2026

director-mode-lite

69
@claude-world

Use Claude Code like a Director, not a Programmer. Free toolkit with Auto-Loop, Self-Evolving Loop, 25 commands, 14 agents, 29 skills.

updated May 2026

youtube-connector-mcp

69
@ShellyDeng08

MCP server for YouTube — search videos, channels, playlists, and transcripts. Works with Claude, Cursor, Windsurf, and any MCP client.

updated May 2026

obsidian-agent

69
@raja-patnaik

A complete system for managing Obsidian vaults with Claude Code and Cowork. Designed for two vaults (work and personal) with consistent structure, frontmatter schemas, agent skills, automation hooks, and migration tooling.

updated May 2026

mcp-vercel

68
@nganiet

MCP server connecting Claude to Vercel

updated May 2026

mcp-server-okppt

68
@NeekChaw

这个项目是一个基于MCP (Model Context Protocol) 的服务器工具,名为 "MCP OKPPT Server"。它的核心功能是允许大型语言模型(如Claude、GPT等)通过生成SVG图像来间接设计和创建PowerPoint演示文稿。工具负责将这些SVG图像高质量地插入到PPTX幻灯片中,并保留其矢量特性,确保图像在PowerPoint中可缩放且清晰。

updated May 2026

cc-frontend-skills

68
@oikon48

Claude Code plugin for creating frontend UIs that avoid generic AI aesthetics. (Claude Skills is written in Japanese)

updated May 2026

notebooklm-mcp-secure

68
@Pantheon-Security

Secure NotebookLM MCP Server - Query Google NotebookLM from Claude/AI agents with 17 security hardening layers

updated Jun 2026

photoshop-mcp

68
@alisaitteke

MCP server for Adobe Photoshop automation - Control Photoshop from AI assistants with 50+ tools for design, image editing, and workflow automation

updated Jun 2026

ccboard

68
@FlorianBruniaux

Monitor Claude Code sessions, costs, config, hooks, agents & MCP servers from a single Rust binary — TUI (9 tabs) + Web interface with live process tracking, budget alerts, and 30-day forecasting

updated May 2026

roadmap-skill

68
@shiquda

Shared roadmap for humans and AI Agents. Visual kanban and graph for you, Skills and MCP server for Agents. Support Claude Code, Codex, Cursor, OpenCode and more!

updated Jun 2026

claude-plugins

68
@hrconsultnj

Claude Code plugin — code quality hooks, knowledge graph, impact-aware reviews, decomposition enforcement. Babysitter for your AI's code quality.

updated Jun 2026

ppt-agent-skill

68
@Akxan

🎨 World-class AI presentation generator · 26 styles · 18 charts · benchmarked against Linear/Anthropic/Stripe/Apple/NYT — a Claude Code Skill that turns one sentence into design-agency-quality decks (HTML + editable PPTX)

updated Jun 2026

OpenStudy

68
@OpenStudy-dev

Self-hostable study dashboard with a built-in MCP server, so that your Claude/ChatGPT subscription becomes x10 more effective for your semester

updated May 2026

claude-memory-mcp

67
@WhenMoon-afk

Local Memory MCP Server

updated May 2026

echook

67
@ChanMeng666

🔊 echook — AI-operated audio notifications for Claude Code, Cursor IDE & Codex CLI — 26 hooks, voice + chime themes, TTS, webhooks, rate-limit alerts, status line. Tell your AI agent to install — natural language forever after.

updated Jun 2026
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