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Gemini CLI groundtruth groundtruth_creator_flag

How to: Gemini CLI groundtruth groundtruth_creator_flag

client:Gemini CLI transport:streamable-http tool:groundtruth_creator_flag

Add groundtruth to Gemini CLI

  1. 01

    Open ~/.gemini/settings.json and merge this in. Keep any servers already there. 

{
  "mcpServers": {
    "groundtruth": {
      "httpUrl": "https://api.groundtruths.xyz/mcp"
    }
  }
}
  1. 02

    Save the file and restart Gemini CLI.

  2. 03

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

  3. 04

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

Gemini expands $VAR and ${VAR} inside env values, so a secret can live in your shell rather than this file. Gemini CLI docs

Same tool, other clients

This list was read from the server itself, by connecting to it and calling tools/list on 24 September 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.

groundtruth MCP server