Best Open Source mcp server Libraries
A curated list of the most popular GitHub repositories tagged with mcp server. Select any project to visualize its architecture and dive into the codebase using RepoMind's AI engine.
#1n8n-io/n8n
Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.
#2google-gemini/gemini-cli
An open-source AI agent that brings the power of Gemini directly into your terminal.
#3upstash/context7
Context7 Platform -- Up-to-date code documentation for LLMs and AI code editors
#4sansan0/TrendRadar
⭐AI-driven public opinion & trend monitor with multi-platform aggregation, RSS, and smart alerts.🎯 告别信息过载，你的 AI 舆情监控助手与热点筛选工具！聚合多平台热点 + RSS 订阅，支持关键词精准筛选。AI 智能筛选新闻 + AI 翻译 + AI 分析简报直推手机，也支持接入 MCP 架构，赋能 AI 自然语言对话分析、情感洞察与趋势预测等。支持 Docker ，数据本地/云端自持。集成微信/飞书/钉钉/Telegram/邮件/ntfy/bark/slack 等渠道智能推送。
#5D4Vinci/Scrapling
🕷️ An adaptive Web Scraping framework that handles everything from a single request to a full-scale crawl!
#6ChromeDevTools/chrome-devtools-mcp
Chrome DevTools for coding agents
#7bytedance/UI-TARS-desktop
The Open-Source Multimodal AI Agent Stack: Connecting Cutting-Edge AI Models and Agent Infra
#8github/github-mcp-server
GitHub's official MCP Server
#9assafelovic/gpt-researcher
An autonomous agent that conducts deep research on any data using any LLM providers
#10microsoft/mcp-for-beginners
This open-source curriculum introduces the fundamentals of Model Context Protocol (MCP) through real-world, cross-language examples in .NET, Java, TypeScript, JavaScript, Rust and Python. Designed for developers, it focuses on practical techniques for building modular, scalable, and secure AI workflows from session setup to service orchestration.
#11czlonkowski/n8n-mcp
A MCP for Claude Desktop / Claude Code / Windsurf / Cursor to build n8n workflows for you
#12mcp-use/mcp-use
The fullstack MCP framework to develop MCP Apps for ChatGPT / Claude & MCP Servers for AI Agents.
#13open-metadata/OpenMetadata
OpenMetadata is a unified metadata platform for data discovery, data observability, and data governance powered by a central metadata repository, in-depth column level lineage, and seamless team collaboration.
#14xinnan-tech/xiaozhi-esp32-server
本项目为xiaozhi-esp32提供后端服务，帮助您快速搭建ESP32设备控制服务器。Backend service for xiaozhi-esp32, helps you quickly build an ESP32 device control server.
#15osaurus-ai/osaurus
Own your AI. The native macOS harness for AI agents -- any model, persistent memory, autonomous execution, cryptographic identity. Built in Swift. Fully offline. Open source.
#16FunnyWolf/Viper
Adversary simulation and Red teaming platform with AI
#17getsentry/XcodeBuildMCP
A Model Context Protocol (MCP) server and CLI that provides tools for agent use when working on iOS and macOS projects.
#18maximhq/bifrost
Fastest enterprise AI gateway (50x faster than LiteLLM) with adaptive load balancer, cluster mode, guardrails, 1000+ models support & <100 µs overhead at 5k RPS.
#19MCPJam/inspector
Development platform to debug, chat, inspect, and evaluate MCP servers, MCP apps, and ChatGPT apps.
#20joey-zhou/xiaozhi-esp32-server-java
小智ESP32的Java企业级管理平台，提供设备监控、音色定制、角色切换和对话记录管理的前后端及服务端一体化解决方案
#21Canner/wren-engine
The open context engine for AI agents support 15+ data sources. Built on Rust and Apache DataFusion.
#22thorsten/phpMyFAQ
phpMyFAQ - Open Source FAQ web application for PHP 8.3+ and MySQL, PostgreSQL and other databases
#23ThinkWatchProject/ThinkWatch
Enterprise AI bastion host for secure AI API and MCP access, with unified proxying, RBAC, audit logs, rate limiting, and cost tracking across OpenAI, Anthropic, Gemini, and self-hosted LLMs.
#24speakeasy-api/gram
Securely scale AI usage across your organization. Control plane for building, securing and monitoring your agents, mcp and skills.
#25markrai/scrumboy
a self-hosted project management & Kanban solution + Instant shareable boards
#26ricardoquesada/regenerator2000
An interactive disassembler for the CPU 6502, focused mostly on Commodore 8-bit computers. Features a TUI with modern features like x-ref, undo/redo, arrows, keyboard-driven, mcp server, VICE debugger and more!
#27GopherSecurity/gopher-mcp
MCP C++ SDK - Model Context Protocol implementation in CPP with enterprise-grade security, visibility and connectivity.