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

8237entries
★ starsA–Z name

caldav-mcp

90
@dominik1001

🗓️ A CalDAV Model Context Protocol (MCP) server to expose calendar operations as tools for AI assistants.

updated Jul 2026

mcpgen

90
@lyeslabs

Generate Go MCP server boilerplate from OpenAPI 3 specifications

updated May 2026

rtfmbro-mcp

90
@marckrenn

rtfmbro provides always-up-to-date, version-specific package documentation as context for coding agents. An alternative to context7

updated Jun 2026

aivectormemory

90
@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 Jul 2026

mc-agent-toolkit

90
@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 Jul 2026

jetpack-compose-skills

90
@anhvt52

Agent skill for modern Android development with Jetpack Compose — best practices for code generation and review

updated Jul 2026

social-media-caption-generator-claude

90
@rediumvex

Social media caption generator as a Claude skill — turn any text, script, or screenshot into ready-to-post captions for Instagram Reels, Carousel, TikTok, Threads, Facebook, YouTube Shorts. Algorithm-optimized for shares, saves, and completion rate. Built by @theromanknox (280K+ IG).

updated Jul 2026

claudedesign-to-swiftui

90
@heyadam

Claude Code plugin: convert Claude-generated HTML design prototypes into SwiftUI Views inside your active Xcode workspace.

updated Jun 2026

seo-skills

90
@seranking

Claude SEO Skills — production Claude Agent Skills for the SE Ranking MCP server. Content briefs, AI Search share of voice, audits, backlink gaps, keyword clusters, schema, sitemap, GEO, and more.

updated Jul 2026

aleabito-serenity-skills

90
@lanfuli

Claude/Codex agent skills distilled from @aleabitoreddit (Serenity)'s full public archive — track her, analyze like her, anticipate her next focus. Bilingual 中文/English.

updated Jul 2026

strimzi-kafka-cli

89
@SystemCraftsman

Command Line Interface for the Strimzi Kafka Operator

updated Jul 2026

scrapegraph-mcp

89
@ScrapeGraphAI

ScapeGraph MCP Server

updated Jul 2026

ableton-copilot-mcp

89
@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 Jun 2026

mcp-ui

89
@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 Jul 2026

yandex-tracker-mcp

89
@aikts

Yandex Tracker MCP Server with OAuth2 support

updated Jul 2026

furi

89
@ashwwwin

CLI & API for MCP management

updated May 2026

ophis

89
@njayp

Transform any Cobra CLI into an MCP server

updated Jul 2026

mcp-breach-to-fix-labs

89
@PawelKozy

Hands-on MCP security lab: 10 real incidents reproduced with vulnerable/secure MCP servers, pytest regressions, and Claude/Cursor battle-tested exploit walkthroughs

updated Jun 2026

deterministic-agent-control-protocol

89
@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 Jul 2026

camofox-mcp

89
@redf0x1

Anti-detection browser MCP server for AI agents — navigate, interact, and automate the web without getting blocked

updated Jul 2026

apitap

89
@n1byn1kt

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

updated Jul 2026

claude-rank

89
@Houseofmvps

Claude Code plugin that tells you why your site won't get cited by AI — and fixes the discoverability files automatically. 170+ rules across 10 scanners.

updated Jul 2026

claude-for-legal-finland

89
@akunikkola

Avoimen lähdekoodin Claude-skillit ja -plugarit suomalaiseen juridiseen työhön — Finnish legal skills & plugins for Claude (Finlex, oik.ai, KKO/KHO)

updated Jul 2026

dryforge

89
@fn-opt

Dryforge : New generation of harness engineering - Claude Code & Codex Plugin.

updated Jul 2026
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