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Windsurf GitHubCard validate_card

How to: Windsurf GitHubCard validate_card

client:Windsurf transport:streamable-http tool:validate_card

Add GitHubCard to Windsurf

  1. 01

    Open ~/.codeium/windsurf/mcp_config.json and merge this in. Keep any servers already there.

{
  "mcpServers": {
    "mcp": {
      "serverUrl": "https://githubcard.com/mcp"
    }
  }
}
  1. 02

    Save the file and restart Windsurf.

  2. 03

    Ask for something validate_card does. Windsurf lists the server's tools on connect and calls validate_card itself — you do not invoke it by name.

  3. 04

    If nothing happens, check the server is running and that GitHubCard's identifier in your config matches the one above exactly.

Global only — Windsurf has no per-project MCP config. Refresh Cascade after saving. Windsurf docs

Set these first

GitHubCard will not start until these are set, so validate_card never becomes available.

  • GHCARD_API_KEY

Same tool, other clients

This list was read from the server itself, by connecting to it and calling tools/list on 11 November 2026. It is what the server actually exposes, not what its listing claims.

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.