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Built an MCP server?
Free listings for real, working servers. We verify every URL and install command before publishing.
What is the Model Context Protocol?
The Model Context Protocol (MCP) is an open standard, released by Anthropic in November 2024, that defines how AI applications talk to external tools and data. Before MCP, every assistant-to-tool integration was a custom build. With MCP, a tool author ships one server and it works in every compatible client — Claude Code, Claude Desktop, Cursor, VS Code, Windsurf, ChatGPT, and a growing list of agent frameworks.
An MCP server exposes three things to the model: tools (functions the model can call — run a SQL
query, create a GitHub issue, click a button in a browser), resources (data it can read), and
prompts (reusable templates). Servers come in two flavors. Local servers run on your machine
as a subprocess — usually started with npx or
uvx — and are the right choice for filesystem, git, and anything that
touches local state. Remote servers are hosted at an HTTPS URL by the vendor (Sentry, Linear,
Stripe, Notion…), authenticate with OAuth, and need zero installation.
Installing a server in Claude Code
Adding a server is one command. Remote servers take a URL; local servers take the command that launches them:
# remote server (hosted, OAuth)
claude mcp add --transport http sentry https://mcp.sentry.dev/mcp
# local server (runs on your machine via npx)
claude mcp add filesystem -- npx -y @modelcontextprotocol/server-filesystem ~/projectsIn Claude Desktop, local servers go in claude_desktop_config.json (Settings → Developer → Edit Config):
{
"mcpServers": {
"filesystem": {
"command": "npx",
"args": ["-y", "@modelcontextprotocol/server-filesystem", "~/projects"]
}
}
}Restart the app and the server's tools appear in the model's toolbox. One honest note: an MCP server runs with whatever access you give it. Prefer official and vendor servers, skim the source of community ones before wiring in credentials, and scope your API keys narrowly. Every listing in this index links to the source repository or official docs so you can inspect before you install — and we only publish install commands we've verified against the project's own documentation.
Frequently asked questions
What is an MCP server? ›
A program that exposes tools, resources, and prompts to AI applications over the Model Context Protocol — an open standard released by Anthropic in November 2024. Clients like Claude Code, Claude Desktop, Cursor, and VS Code connect to MCP servers to let models query databases, control browsers, read files, and call APIs.
How do I install an MCP server in Claude Code? ›
Remote: claude mcp add --transport http <name> <url>.
Local: claude mcp add <name> -- npx -y <package>.
Every card above has a copy button for the exact command or URL.
Local (stdio) vs. remote servers — what's the difference? ›
Local servers run on your machine as a subprocess (launched with npx/uvx) and talk over stdio — right for filesystem, git, and local state. Remote servers are hosted at an HTTPS URL, usually authenticate with OAuth, and need no installation — just add the URL to your client.
Are MCP servers safe to use? ›
Treat a server like any dependency: it runs with the access you grant it. Prefer official and vendor servers, read community source before connecting credentials, and scope API keys narrowly. Every listing here links to source or official docs so you can inspect before you install.
How do I get my server listed? ›
Free: submit your server with its repo URL, a one-line description, and an install command. Real, working servers only — we verify every URL and command before publishing.
What does a featured listing include? ›
Your server pinned in one of three highlighted slots at the top of the page — the first thing every visiting AI developer sees — for $49/month, with a badge and a direct link. Only three slots exist, so they stay meaningful. Cancel anytime. Grab a slot →