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mcp/harbor
Gemini CLI

Spend Brake for Gemini CLI

io.github.kivanow/spend-brake

Capped search, maps and other paid APIs over MCP, with hard dollar limits per key.

client:Gemini CLI transport:stdio runtime:npm

Install Spend Brake in Gemini CLI

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

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "spend-brake": {
      "command": "npx",
      "args": [
        "-y",
        "@spend-brake/mcp"
      ],
      "env": {
        "BRAKE_KEY": "<BRAKE_KEY>",
        "BRAKE_URL": "<BRAKE_URL>",
        "BRAKE_API_URL": "<BRAKE_API_URL>"
      }
    }
  }
}

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

Spend Brake in other clients

Spend Brake MCP server