Coal — Payments for AI agents for Gemini CLI

io.github.emmanuel39hanks/coal

Payment rails for AI agents. Pay merchants in USDC on Base. Dual-protocol: x402 + OKX APP.

client:Gemini CLI transport:streamable-http tools:13

Install Coal — Payments for AI agents in Gemini CLI

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

{
  "mcpServers": {
    "coal": {
      "httpUrl": "https://mcp.usecoal.xyz/api/mcp"
    }
  }
}

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