walletcap for Coinbase payments MCP for Gemini CLI

io.github.coriolislabs/walletcap

Spend limits for Coinbase's payments MCP: a per-payment cap and rolling 24h USDC budget per wallet

client:Gemini CLI transport:stdio runtime:npm

Install walletcap for Coinbase payments MCP in Gemini CLI

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

{
  "mcpServers": {
    "walletcap": {
      "command": "npx",
      "args": [
        "-y",
        "walletcap"
      ]
    }
  }
}

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