payment guard mcp for Gemini CLI

io.github.mlawsonking/payment-guard-mcp

Pre-send risk check for AI agents that move money — screen an address or payment URL before sending.

client:Gemini CLI transport:stdio runtime:npm

Install payment guard mcp in Gemini CLI

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

{
  "mcpServers": {
    "payment-guard-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "payment-guard-mcp"
      ]
    }
  }
}

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