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

canvas-mcp

142
@vishalsachdev

Canvas LMS MCP server — 80+ tools and 5 agent skills for students & educators. Works with Claude, Cursor, Codex, and 40+ agents. v1.1.0

updated Jun 2026

prism-coder

142
@dcostenco

The Mind Palace for AI Agents - HIPAA-hardened Cognitive Architecture with on-device LLM (prism-coder:7b), Hebbian learning, ACT-R spreading activation, adversarial evaluation, persistent memory, multi-agent Hivemind and visual dashboard. Zero API keys required.

updated Jun 2026

code-context-engine

142
@elara-labs

Save 94% on AI coding tokens. Index your codebase, agents search instead of reading files. Works with Claude Code, Codex, Copilot, Cursor, Gemini CLI. Local MCP server, free, open source.

updated Jun 2026

mcp-ts-core

141
@cyanheads

Agent-native TypeScript framework for building MCP servers. Declarative definitions with auth, multi-backend storage, OpenTelemetry, and first-class support for Bun/Node/Cloudflare Workers.

updated May 2026

MCP-X

141
@TimeCyber

这是一个MCP客户端,让你轻松配置各个大模型,对接各种MCP Server而开发。This is an MCP client that allows you to easily configure various large models and develop interfaces with various MCP servers.

updated May 2026

systemprompt-code-orchestrator

141
@systempromptio

[DEPRECATED] Superseded by systempromptio/systemprompt-template and systempromptio/systemprompt-core. MCP server for orchestrating AI coding agents (Claude Code CLI & Gemini CLI).

updated May 2026

wechat-article-publisher-skill

140
@iamzifei

Claude Skill that publish on Wechat articles (微信公众号发布)

updated May 2026

mcp-server

139
@browserstack

BrowserStack's Official MCP Server

updated Jun 2026

monolith

139
@tumourlove

MCP plugin for Unreal Engine 5.7 — gives AI assistants full read/write access to Blueprints, Materials, Niagara, Animation, Mesh, AI, GAS, Logic Driver, ComboGraph, UI, Audio, plus Reflection Intelligence (decision / risk / C++ reflection / replication queries). 1,387 actions across 25 namespaces. Native C++, zero Python dependency.

updated Jun 2026

gtasks-mcp

138
@zcaceres

A Google Tasks Model Context Protocol Server for Claude

updated Jun 2026

multi-agent-ralph-loop

138
@alfredolopez80

Autonomous orchestration framework for Claude Code with MemPalace-inspired memory (4-layer stack, 818-token wake-up), parallel-first Agent Teams (6 teammates), Aristotle First Principles methodology, and 4-stage quality gates. 925+ tests, 22 active hooks, automatic learning pipeline.

updated May 2026

Matryoshka

138
@yogthos

MCP server for token-efficient large document analysis via the use of REPL state

updated May 2026

Gitingest-MCP

137
@puravparab

mcp server for gitingest

updated May 2026

pocketbase-mcp

137
@mrwyndham

MCP server for building PocketBase apps really quickly - Need a front end quick consider FastPocket

updated May 2026

vfs

137
@TrNgTien

Reduce AI agent token usage by 98% via Virtual Function Signatures. MCP server for Cursor & Claude Desktop. Supports Go, TypeScript, Python, Rust, Java, Swift, Kotlin, C# and more.

updated May 2026

app-it

137
@Christian-Katzmann

A Claude Code + Codex skill that turns a local project into a macOS Dock-launchable app — native window, its own icon, no Electron. [The Windows version is in BETA]

updated Jun 2026

gRPC-zig

136
@ziglana

blazigly fast gRPC/MCP client & server implementation in zig

updated Jun 2026

pentest-mcp

136
@DMontgomery40

NOT for educational purposes: An MCP server for professional penetration testers including STDIO/HTTP/SSE support, nmap, go/dirbuster, nikto, JtR, hashcat, wordlist building, and more.

updated May 2026

Zhihu-Collections-MCP

136
@JasonJarvan

将知乎收藏夹(公开和私密)批量导出为 Markdown 格式文件. 支持配置收藏夹列表并批量下载, 支持基于URL自动去重, 支持下载专栏和图片, 支持自定义保存路径, 支持调试和错误日志. **同时提供 MCP Server**,可被 AI Agent (如 Claude Code) 直接调用,为大模型提供保存知乎收藏夹的能力。

updated May 2026

agent-council

136
@team-attention

Multi-agent collaboration plugin for Claude Code - orchestrate multiple AI agents (Codex CLI, Gemini CLI, etc.) for diverse perspectives

updated May 2026

Kagi-Session2API-MCP

136
@KSroido

Free Kagi Search MCP server — access search and summarizer via session tokens, no API key needed. Works with Claude Desktop, Cursor, Windsurf, Hermes and any MCP client.

updated May 2026

code-pathfinder

135
@shivasurya

Static Code Analysis for security teams with Inter file taint analysis. Built for finding vulnerabilities, advanced structural search, derive insights and supports MCP

updated May 2026

mcp-linear

135
@tacticlaunch

MCP server that enables AI assistants to interact with Linear project management system through natural language, allowing users to retrieve, create, and update issues, projects, and teams.

updated May 2026

apple-mail-mcp

135
@patrickfreyer

MCP server giving AI assistants full access to Apple Mail - read, search, compose, organize & analyze emails via natural language

updated Jun 2026
← PREV01...7374757677...344NEXT →