AgentScout / Popular searches / Free MCP servers

Free MCP servers (2026)

Model Context Protocol servers you can use for free, connecting Claude, Cursor, Codex and other MCP clients to your tools and data. Here are the top 25 of 199 from the AgentScout directory.

Updated

199 matching tools117 open source199 free or with a free tierMost starred: REA (★ 301,645)

How we picked and ranked: tools are matched by category, the pricing each maker states and what each tool says it does. They are ranked by GitHub stars as recorded on each listing (link checks 2026-10-21); tools without a tracked repo follow, by listing maturity. No paid placements.

  1. REA logo

    1. REA

    MCP serversOpen source★ 301,645 GitHub stars

    MCP server and CLI that lets coding agents reverse engineer native binaries, Electron and JavaScript apps, .NET assemblies and live websites, using Ghidra, Hopper or IDA under the hood.

    Pricing (as stated): Open source · Mature

  2. MCP reference servers logo

    2. MCP reference servers

    MCP serversOpen source★ 91,237 GitHub stars

    Official collection of reference MCP servers.

    Pricing (as stated): Open source · Mature

  3. Context7 logo

    3. Context7

    MCP serversFreemium★ 63,157 GitHub stars

    MCP server and platform that feeds coding agents up-to-date, version-specific library documentation.

    Pricing (as stated): Freemium · Mature

  4. Codebase Memory MCP logo

    4. Codebase Memory MCP

    MCP serversOpen source★ 46,717 GitHub stars

    MCP server that indexes codebases into a persistent knowledge graph so coding agents can look up structure quickly.

    Pricing (as stated): Open source · Mature

  5. GitHub MCP Server logo

    5. GitHub MCP Server

    MCP serversOpen source★ 33,663 GitHub stars

    GitHub's official MCP server for letting agents work with repositories, issues, pull requests and Actions.

    Pricing (as stated): Open source · Mature

  6. MCP for Blender logo

    6. MCP for Blender

    MCP serversOpen source★ 31,463 GitHub stars

    Community MCP plugin that lets Claude and other LLMs control Blender for prompt-driven 3D modeling, scene creation and manipulation.

    Pricing (as stated): Open source · Mature

  7. Serena logo

    7. Serena

    MCP serversOpen source★ 30,329 GitHub stars

    MCP toolkit that gives coding agents semantic code retrieval and editing, like IDE features.

    Pricing (as stated): Open source · Mature

  8. FastMCP logo

    8. FastMCP

    MCP serversOpen source★ 28,106 GitHub stars

    Pythonic framework for building MCP servers and clients quickly.

    Pricing (as stated): Open source · Mature

  9. MCP Python SDK logo

    9. MCP Python SDK

    MCP serversOpen source★ 24,595 GitHub stars

    Official Python SDK for building Model Context Protocol servers and clients.

    Pricing (as stated): Open source · Mature

  10. n8n-MCP logo

    10. n8n-MCP

    MCP serversOpen source★ 23,089 GitHub stars

    MCP server that lets Claude, Cursor and other agents build n8n workflows for you.

    Pricing (as stated): Open source · Mature

  11. MCP Toolbox for Databases logo

    11. MCP Toolbox for Databases

    MCP serversOpen source★ 16,669 GitHub stars

    Open-source MCP server from Google for connecting agents to databases.

    Pricing (as stated): Open source · Mature

  12. Framelink Figma MCP logo

    12. Framelink Figma MCP

    MCP serversOpen source★ 16,002 GitHub stars

    MCP server that gives Cursor and other coding agents Figma layout data so they can implement designs accurately in one shot.

    Pricing (as stated): Open source · Mature

  13. MCP TypeScript SDK logo

    13. MCP TypeScript SDK

    MCP serversOpen source★ 13,595 GitHub stars

    Official TypeScript SDK for building MCP servers and clients.

    Pricing (as stated): Open source · Mature

  14. IDA Pro MCP logo

    14. IDA Pro MCP

    MCP serversOpen source★ 12,951 GitHub stars

    MCP server connecting IDA Pro to language models for AI-assisted reverse engineering.

    Pricing (as stated): Open source · Mature

  15. Apify MCP Server logo

    15. Apify MCP Server

    MCP serversOpen source + cloud★ 11,578 GitHub stars

    Apify's MCP server giving agents access to thousands of scrapers for social media, search and maps.

    Pricing (as stated): Open source + cloud · Mature

  16. MCP Inspector logo

    16. MCP Inspector

    MCP serversOpen source★ 11,095 GitHub stars

    Official developer tool for testing and debugging MCP servers through a web UI, CLI or terminal UI.

    Pricing (as stated): Open source · Mature

  17. mcp-use logo

    17. mcp-use

    MCP serversOpen source★ 10,772 GitHub stars

    Full-stack MCP framework for building MCP servers, MCP apps and agents that connect to them.

    Pricing (as stated): Open source · Mature

  18. Desktop Commander MCP logo

    18. Desktop Commander MCP

    MCP serversOpen source★ 10,091 GitHub stars

    MCP server that gives Claude and other clients terminal control, process management, file search and diff-based file editing on your computer.

    Pricing (as stated): Open source · Mature

  19. AWS MCP Servers logo

    19. AWS MCP Servers

    MCP serversOpen source★ 9,782 GitHub stars

    Collection of official open-source MCP servers for working with AWS services from agents.

    Pricing (as stated): Open source · Mature

  20. GitMCP logo

    20. GitMCP

    MCP serversOpen source★ 8,465 GitHub stars

    Free remote MCP server that gives agents up-to-date docs and code for any GitHub project.

    Pricing (as stated): Open source · Mature

  21. OneUptime MCP logo

    21. OneUptime MCP

    MCP serversOpen source + cloud★ 7,751 GitHub stars

    OneUptime's official MCP server, giving agents access to monitors, incidents, on-call and status pages in this open-source observability platform. Free plan, paid plans from $22 per user, or self-host.

    Pricing (as stated): OneUptime free plan; paid plans from $22 per user/month; self-host free. · Mature

  22. MCP Registry logo

    22. MCP Registry

    MCP serversOpen source★ 7,389 GitHub stars

    Official community-driven registry service and API that lists Model Context Protocol servers for MCP clients, like an app store for servers.

    Pricing (as stated): Free and open source (Apache-2.0, transitioning from MIT); public registry API free · Mature

  23. BrowserTools MCP logo

    23. BrowserTools MCP

    MCP serversOpen source★ 7,328 GitHub stars

    MCP server that lets Cursor and other agents read browser console logs and network activity.

    Pricing (as stated): Open source · Mature

  24. Talk to Figma MCP logo

    24. Talk to Figma MCP

    MCP serversOpen source★ 7,059 GitHub stars

    MCP integration that lets coding agents read and edit Figma designs.

    Pricing (as stated): Open source · Mature

  25. Klavis AI logo

    25. Klavis AI

    MCP serversOpen source + cloud★ 5,812 GitHub stars

    MCP integration platform that lets agents use many tools reliably at scale.

    Pricing (as stated): Open source + cloud · Mature

FAQ

What are the best free MCP servers?

Ranked by tracked GitHub stars, the top free MCP servers in our directory are REA, MCP reference servers, Context7, Codebase Memory MCP, GitHub MCP Server. Stars measure popularity, not fit, so compare a few against your own task.

How many free MCP servers does AgentScout list?

199 tools match. This page shows the top 25. Pricing mix on this page: Open source (21), Open source + cloud (3), Freemium (1).

Are these tools really free?

Pricing is what each maker states on their site. Open-source tools are free to self-host but may need a paid model API key or offer paid cloud plans; freemium tools have a free plan with limits. Check each official site.

Where can I see every tool for connecting tools with MCP?

Our task page lists all 382 tools we match to connecting tools with MCP.

Related: All tools for connecting tools with MCP · Best Open-Source MCP Servers · MCP servers (199)

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Facts come from our directory listings; pricing is as each maker states it and can change. Check official sites before you choose.

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