mockmcp for Gemini CLI

io.github.k-cupples/mockmcp

Hosted MCP endpoint with realistic fake data for prototyping agents. 12 tools, no setup.

client:Gemini CLI transport:streamable-http

Install mockmcp in Gemini CLI

~/.gemini/settings.json · windows: %USERPROFILE%\.gemini\settings.json

{
  "mcpServers": {
    "mockmcp": {
      "httpUrl": "https://mockmcp.io/mcp"
    }
  }
}

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