# MCP Servers

> Model Context Protocol servers that connect AI agents to tools, APIs, and data sources.

MCP servers implement the Model Context Protocol — the open standard that lets AI agents reach external tools, APIs, and data through one consistent interface, instead of a bespoke integration per client. A server can wrap almost anything: a database, a SaaS API, a filesystem, a browser, or an internal service. The right choice comes down to what it connects to, whether it's actively maintained, and how it handles authentication, permissions, and rate limits. For any given tool, the official first-party server usually beats a community fork — it tracks upstream API changes faster and is less likely to go stale. Transport matters too: stdio servers run locally beside the client, while HTTP and SSE servers can be hosted and shared across a team. Watch for servers that request broad credentials or execute arbitrary code — scope tokens narrowly and prefer ones with clear permission boundaries. Most MCP servers are open source and free to run; you typically pay only for the underlying API or service they expose. Because the ecosystem is young and moving fast, recent commit activity is one of the most reliable quality signals: a server that shipped this month is far safer to build on than one abandoned right after its launch thread.

28 tools indexed. Sponsored placements are labeled and never ranked; open-source ordering reflects real GitHub adoption. Browse on the web: https://agentsearchengine.app/category/mcp-servers

## Open-source index (ranked by adoption)
1. [context7](https://agentsearchengine.app/agents/context7) — Context7 Platform -- Up-to-date code documentation for LLMs and AI code editors · Open source · MCP server · 60k★ · TypeScript · MIT · active 1 day ago · best for giving coding agents up-to-date library documentation via mcp
2. [chrome-devtools-mcp](https://agentsearchengine.app/agents/chrome-devtools-mcp) — Chrome DevTools for coding agents · Open source · Agent · 48k★ · TypeScript · Apache-2.0 · active 1 day ago · best for giving a coding agent live chrome control for debugging and performance traces
3. [github-mcp-server](https://agentsearchengine.app/agents/github-mcp-server) — GitHub's official MCP Server · Open source · MCP server · 32k★ · Go · MIT · active 3 days ago · best for connecting mcp clients like claude code or cursor to github repos, issues, and prs — the official server
4. [serena](https://agentsearchengine.app/agents/serena) — A powerful MCP toolkit for coding, providing semantic retrieval and editing capabilities - the IDE for your agent · Open source · SDK / library · 27k★ · Python · MIT · active today · best for giving a coding agent symbol-level code navigation, refactoring, and debugging via mcp
5. [fastmcp](https://agentsearchengine.app/agents/fastmcp) — The fast, Pythonic way to build MCP servers and clients. · Open source · SDK / library · 27k★ · Python · Apache-2.0 · active 1 day ago · best for building custom mcp servers and clients in python quickly
6. [n8n-mcp](https://agentsearchengine.app/agents/n8n-mcp) — A MCP for Claude Desktop / Claude Code / Windsurf / Cursor to build n8n workflows for you · Open source · MCP server · 22k★ · TypeScript · MIT · active 4 days ago · best for giving an ai assistant deep knowledge of n8n's 2,285 workflow nodes
7. [FunASR](https://agentsearchengine.app/agents/funasr) — Industrial-grade speech recognition toolkit: 170x realtime, 50+ languages, speaker diarization, emotion detection, streaming, and OpenAI-compatible API. · Open source · SDK / library · 20k★ · Python · MIT · active today · best for self-hosted speech recognition with vad, punctuation, and speaker pipelines
8. [xiaohongshu-mcp](https://agentsearchengine.app/agents/xiaohongshu-mcp) — MCP for xiaohongshu.com · Open source · MCP server · 15k★ · Go · active today · best for giving an ai assistant direct access to xiaohongshu content
9. [fastapi_mcp](https://agentsearchengine.app/agents/fastapi-mcp) — Expose your FastAPI endpoints as Model Context Protocol (MCP) tools, with Auth! · Open source · SDK / library · 12k★ · Python · MIT · active 8 months ago · best for exposing an existing fastapi app as mcp tools while keeping its auth
10. [ida-pro-mcp](https://agentsearchengine.app/agents/ida-pro-mcp) — AI-powered reverse engineering assistant that bridges IDA Pro with language models through MCP. · Open source · MCP server · 11k★ · Python · MIT · active 3 days ago
11. [hexstrike-ai](https://agentsearchengine.app/agents/hexstrike-ai) — HexStrike AI MCP Agents is an advanced MCP server that lets AI agents (Claude, GPT, Copilot, etc.) autonomously run 150+ cybersecurity tools for automated pentesting, vulnerability discovery, bug · Open source · MCP server · 11k★ · Python · MIT · active 3 months ago
12. [mcp-use](https://agentsearchengine.app/agents/mcp-use) — The fullstack MCP framework to develop MCP Apps for ChatGPT / Claude & MCP Servers for AI Agents. · Open source · SDK / library · 10k★ · TypeScript · MIT · active 2 days ago
13. [AWS MCP Servers](https://agentsearchengine.app/agents/mcp) — Open source MCP Servers for AWS · Open source · MCP server · 9.5k★ · Python · Apache-2.0 · active today
14. [browser-tools-mcp](https://agentsearchengine.app/agents/browser-tools-mcp) — Monitor browser logs directly from Cursor and other MCP compatible IDEs. · Open source · MCP server · 7.3k★ · JavaScript · MIT · active 4 months ago
15. [firecrawl-mcp-server](https://agentsearchengine.app/agents/firecrawl-mcp-server) — Official Firecrawl MCP Server - Adds powerful web scraping and search to Cursor, Claude and any other LLM clients. · Open source · MCP server · 7.1k★ · JavaScript · MIT · active 1 day ago
16. [Browser MCP](https://agentsearchengine.app/agents/browsermcp-mcp) — Browser MCP is a Model Context Provider (MCP) server that allows AI applications to control your browser · Open source · MCP server · 6.9k★ · TypeScript · Apache-2.0 · active 1 year ago
17. [XcodeBuildMCP](https://agentsearchengine.app/agents/xcodebuildmcp) — A Model Context Protocol (MCP) server and CLI that provides tools for agent use when working on iOS and macOS projects. · Open source · MCP server · 6.2k★ · TypeScript · MIT · active 1 day ago
18. [exa-mcp-server](https://agentsearchengine.app/agents/exa-mcp-server) — Exa MCP for web search and web crawling! · Open source · MCP server · 4.8k★ · TypeScript · MIT · active 2 days ago
19. [deep-research](https://agentsearchengine.app/agents/deep-research) — Use any LLMs (Large Language Models) for Deep Research. Support SSE API and MCP server. · Open source · MCP server · 4.7k★ · JavaScript · MIT · active 1 month ago
20. [csharp-sdk](https://agentsearchengine.app/agents/csharp-sdk) — The official C# SDK for Model Context Protocol servers and clients. Maintained in collaboration with Microsoft. · Open source · SDK / library · 4.4k★ · C# · active 3 days ago
21. [mcp-server-chart](https://agentsearchengine.app/agents/mcp-server-chart) — A visualization mcp & skills contains 25+ visual charts using @antvis. Using for chart generation and data analysis. · Open source · MCP server · 4.3k★ · TypeScript · MIT · active 2 months ago
22. [excel-mcp-server](https://agentsearchengine.app/agents/excel-mcp-server) — A Model Context Protocol server for Excel file manipulation · Open source · MCP server · 4.1k★ · Python · MIT · active 3 months ago
23. [jadx-ai-mcp](https://agentsearchengine.app/agents/jadx-ai-mcp) — Plugin for JADX to integrate MCP server · Open source · MCP server · 2.6k★ · Java · Apache-2.0 · active 2 months ago
24. [mcphub.nvim](https://agentsearchengine.app/agents/mcphub-nvim) — An MCP client for Neovim that seamlessly integrates MCP servers into your editing workflow with an intuitive interface for managing, testing, and using MCP servers with your favorite chat plugins. · Open source · MCP client · 1.8k★ · Lua · MIT · active 6 months ago
25. [mcp-searxng](https://agentsearchengine.app/agents/mcp-searxng) — Private web search for AI assistants via SearXNG — supports Claude, Cursor, and any MCP client · Open source · MCP server · 1.1k★ · TypeScript · MIT · active today
26. [arcade-mcp](https://agentsearchengine.app/agents/arcade-mcp) — MCP Server Framework and Tool Development library for building custom capabilities into agents. · Open source · MCP server · 984★ · Python · MIT · active 3 days ago
27. [concierge](https://agentsearchengine.app/agents/concierge) — Universal SDK for building next-gen MCP servers · Open source · SDK / library · 533★ · Python · active 1 month ago
28. [glance](https://agentsearchengine.app/agents/glance) — AI-powered browser automation MCP server for Claude Code. Navigate, click, screenshot, test — all from your terminal. · Open source · MCP server · 156★ · TypeScript · MIT · active 3 months ago

## Frequently asked
**What is an MCP server?**
An MCP (Model Context Protocol) server exposes a tool, API, or data source to AI agents through a standard protocol, so any MCP-compatible client can use it without a custom integration.

**How do I choose an MCP server?**
Prefer the official server for a tool where one exists, then check maintenance (recent commits), the actions it exposes, and how it handles authentication. An actively-maintained server beats a stale one.

**Are MCP servers free?**
Most are open source and free to run; you typically pay only for the underlying API or service they connect to.

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