Skip to content
mcp/harbor
Gemini CLI

arbiter for Gemini CLI

io.github.godwin105/arbiter

Is this transaction safe to sign? Decodes what it really does and answers allow, warn or block.

client:Gemini CLI transport:stdio runtime:npm

Install arbiter 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": {
    "arbiter": {
      "command": "npx",
      "args": [
        "-y",
        "@arbiterlabs/mcp"
      ],
      "env": {
        "ARBITER_URL": "<ARBITER_URL>",
        "ARBITER_PRIVATE_KEY": "<ARBITER_PRIVATE_KEY>",
        "ARBITER_MAX_SPEND_USD": "<ARBITER_MAX_SPEND_USD>",
        "ARBITER_MAX_PRICE_PER_CALL": "<ARBITER_MAX_PRICE_PER_CALL>"
      }
    }
  }
}

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

arbiter in other clients

arbiter MCP server