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935 open-source MCP servers

The best MCP servers on GitHub

MCP servers connect AI assistants such as Claude, Cursor, VS Code and ChatGPT to tools and data through the Model Context Protocol. appsgit lists 935 actively maintained, open-source MCP servers from the official MCP registry and GitHub, each with install snippets, required API keys and live GitHub stats.

MCP servers
935
Official
279
Categories
10
Updated
Oct 26, 2026

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Ranked by GitHub stars gained between two of appsgit's daily star snapshots 3 to 14 days apart, as close to 7 days as the data allows, scaled to a 7-day rate so repositories with different snapshot gaps compare fairly. A repository is held for review and left out of the ranking (it stays listed) when its gain scaled to 7 days is over 50,000 stars, when more than half of its stars arrived inside the window (repositories with 5,000 stars or more), or when it leads with at least 1,000 stars and more than 10 times the next repository's gain. A human releases a held repository after review.

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Top 12 MCP servers

Ranked by GitHub stars. Every page has install instructions, required keys and live repository stats.

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FAQ

MCP servers: FAQ

Still curious? Email info@appsgit.com.

What is an MCP server?

An MCP server is a small program that exposes tools, data or prompts to an AI assistant through the Model Context Protocol, an open standard. The assistant (the MCP client) calls the server's tools, for example to query a database, open a GitHub issue or browse a web page.

How do I install an MCP server?

Local servers run as a command such as npx -y <package>, uvx <package> or docker run. Add that command to claude_desktop_config.json for Claude Desktop, run claude mcp add for Claude Code, or put it in .cursor/mcp.json (Cursor) or .vscode/mcp.json (VS Code). Remote servers only need their URL. Every server page on appsgit has ready-made snippets for all four clients.

Are MCP servers free?

Every server listed here is open source, so running it costs nothing. Many servers wrap a commercial API, though, and need an API key for that service, which may be paid. Pages flag those servers with a Needs API key badge and list the environment variables to set.

What does Official mean?

Official means the server is published by the vendor itself: either under a verified domain namespace in the official MCP registry (such as com.stripe/...), or from a GitHub organization with a verified domain. 279 servers on appsgit are official.

How are MCP servers chosen?

Servers come from the official MCP registry plus GitHub repositories tagged mcp-server with 200+ stars. A server is listed only if it has a GitHub repository, a recognised open-source license, a real description, a commit in the last six months, an install path (npm, PyPI, Docker or NuGet package, or a remote URL) and either 100+ stars or an official publisher.

What are the most popular MCP servers?

By GitHub stars, the most popular MCP servers listed on appsgit are REA, Browser Use, Gemini CLI. See the trending list for the servers gaining stars fastest in appsgit's latest daily snapshots.

Are MCP servers safe to run?

A local MCP server runs with your user's permissions and an assistant can call any tool it exposes, so treat it like any other software you install: prefer official or well-maintained servers, read the README, give API tokens the narrowest scope possible and review tool calls before approving them.