XF Model Source MCP

XF Model Source is an MCP server that helps users discover, rank, and test AI models from OpenRouter based on specific project requirements. It offers free discovery and ranking, and allows users to run side-by-side tests on their own tasks using their own API keys to verify model performance before committing to a choice.

Endpoint and access

No sign-in: your client connects and lists tools immediately, with no account or key.

No sign-inEndpoint checked 2026-10-18Operated by Xpansion

MCP endpoint (Streamable HTTP)

https://xfms.xpansion.dev/mcp

Vendor documentation

What you can do with it

Discover the best AI model for a specific project task
Rank models based on evidence, price, and features
Run side-by-side tests on user's own data
Monitor model performance changes weekly

Tools advertised by the last live check:

rank
pick
discover
benchmark
field_results
watch_job
compare

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http xf-model-source-mcp https://xfms.xpansion.dev/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add xf-model-source-mcp --url https://xfms.xpansion.dev/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable xf-model-source-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "xf-model-source-mcp": {
      "url": "https://xfms.xpansion.dev/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "xf-model-source-mcp": {
      "type": "streamableHttp",
      "url": "https://xfms.xpansion.dev/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start xf-model-source-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "xf-model-source-mcp": {
      "type": "http",
      "url": "https://xfms.xpansion.dev/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http xf-model-source-mcp https://xfms.xpansion.dev/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "xf-model-source-mcp": {
      "url": "https://xfms.xpansion.dev/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "xf-model-source-mcp": {
      "serverUrl": "https://xfms.xpansion.dev/mcp"
    }
  }
}

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