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
#10triggerdotdev/trigger.dev
Trigger.dev – build and deploy durable AI agents and workflows
#11microsoft/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.
#12czlonkowski/n8n-mcp
A MCP for Claude Desktop / Claude Code / Windsurf / Cursor to build n8n workflows for you
#13OpenByteInc/QuantDinger
Open-source AI Trading OS, agent trading, and vibe trading, with Jev System One integration. Research, build Python strategies, backtest, and paper/live trade across crypto, stocks, and forex. Launch your own multi-tenant trading SaaS with built-in user management, billing, payments, and settlement.
#14mcp-use/mcp-use
The fullstack MCP framework to develop MCP Apps for ChatGPT / Claude & MCP Servers for AI Agents.
#15open-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.
#16xinnan-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.
#17lemonade-sdk/lemonade
Lemonade helps users discover and run local AI apps by serving optimized LLMs right from their own GPUs and NPUs. Join our discord: https://discord.gg/5xXzkMu8Zk
#18FunnyWolf/Viper
Adversary simulation and Red teaming platform with AI
#19getsentry/XcodeBuildMCP
A Model Context Protocol (MCP) server and CLI that provides tools for agent use when working on iOS and macOS projects.
#20jnMetaCode/agency-orchestrator
🚀 One sentence → your one-person company of AI experts → complete deliverable in minutes. 276 CN + 184 EN + 5 more languages (ko/ru/pt-BR/id/ar) · zero-code YAML · auto-verified acceptance · Web Studio / Desktop / Docker · 15 LLM providers (11 key-free). 一句话组建你的「一人公司」AI 专家团队，几分钟交付完整方案；验收自动核验，网页 / 桌面 / Docker 全渠道。
#21MCPJam/inspector
Testing and evaluation platform to chat, inspect, and debug MCP servers, MCP apps, and ChatGPT apps.
#22jau123/MeiGen-AI-Design-MCP
Discover inspiration and create images and videos with the latest AI models. Works with ChatGPT, Claude, Cursor, and other MCP clients.
#23rulego/rulego
⛓️RuleGo is a lightweight, high-performance, embedded, next-generation component orchestration rule engine framework for Go.
#24autonomous-ai/openharness
The ultimate harness for coding agents and beyond. All your agents. All your machines. One command center. Start with code, then follow your curiosity and build across disciplines: CAD, circuits, robots, games and music.
#25marclou/mailcheap
Newsletters where you pay for the emails you send, not for dormant subscribers, at a fraction of the price of beehiiv and the like. Open source: self-host it, or use mailcheap.ai.
#26TencentCloudBase/CloudBase-AI-Toolkit
Backend for AI coding agents on CloudBase — database, auth, functions via Plugin, Skills & MCP.
#27openops-cloud/openops
The batteries-included, No-Code FinOps automation platform, with the AI you trust.
#28sbroenne/mcp-server-excel
Automate real Microsoft Excel with AI via MCP Server or CLI — Power Query, DAX, VBA, PivotTables, charts, and 412 operations.
#29Storybloq/storybloq
Project memory and workflows for Claude Code and Codex. Keep stories, plans, handovers, and review evidence in your repo. Resume across sessions and follow progress in the Mac app.
#30HelpCode-ai/anythingmcp
MCP gateway for AI agents: turn any REST/OpenAPI, GraphQL, SOAP or SQL API into MCP tools. 484 ready-made connectors (SAP, ERP, e-commerce) with RBAC, SSO, audit logs and a knowledge graph.
#31hujjun/mcd-saver-strategist
麦当劳省钱点餐助手（麦门精算师）｜麦当劳优惠券组合优化 Skill：拉取麦当劳菜单与全部可用优惠券，算出最省的点餐组合，巨无霸套餐 ¥47 → ¥21.9（省 53%）。McDonalds MCP（麦当劳 MCP）coupon optimizer · McDonalds China MCP Server · Agent Skill for WorkBuddy · 麦当劳程序员创意开发大赛参赛作品
#32TheLunarCompany/lunar
lunar.dev: Agent native MCP Gateway for governance and security
#33modelstudioai/cli
Official Model Studio CLI（阿里云百炼 CLI）built for AI Agent frameworks, exposing models, search, multimodal, and workflow capabilities as structured tool calls.
#34InditexTech/mcp-teams-server
An MCP (Model Context Protocol) server implementation for Microsoft Teams integration, providing capabilities to read messages, create messages, reply to messages, mention members.
#35Tenney95/AI-Canvas-tauri
Local-first AI canvas for visual workflows, AI short drama, image/video generation, storyboarding and asset management. ComfyUI, AI agents, MCP & Blender. 本地优先 AI 画布：AI短剧、AI资产管理、图像/视频生成、分镜制作与视频剪辑。
#36PerpetualSoftware/pad
Project Management for the agent era
#37YosefHayim/ebay-mcp
Local MCP server that connects AI assistants to eBay seller APIs for listings, orders, and marketing, with OAuth setup.
#38linny006/trending-claude-skills
Auto-updated leaderboard of trending claude-skills and AI agent repos, refreshed every 15 minutes
#39longsizhuo/openInvest
Research-grade investment decision engine for AI agents: isolated multi-agent committee, auditable verdicts, backtests with lookahead protection, published negative results
#40Rich627/whatsapp-claude-plugin
Claude Code WhatsApp channel plugin — run AI directly from WhatsApp, voice transcription, remote tool approval, access control. No API keys, no Docker, just a linked device.
#41hproxy-com/free-proxy-list
Free proxy list, verified around the clock: HTTP, HTTPS, SOCKS4 and SOCKS5 proxies with country, anonymity, latency and uptime on every row, updated several times a day. Live list, proxy checker, keyless API and MCP server at hproxy.com.
#42SummerEngine/summer
The game engine built for AI. MCP server, CLI and skills that let any agent build, test and publish full games with Summer Engine.
#43adamkhalile/luau-docs-oracle
Best Roblox Luau Bug Checker and API Verifier 2026 DevForum MCP Tool