keryx for Gemini CLI

io.github.tang-vu/keryx

Autonomous research agent that pays every source it cites in USDC on Arc via x402 micropayments.

client:Gemini CLI transport:streamable-http runtime:npm tools:2

Install keryx in Gemini CLI

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

{
  "mcpServers": {
    "keryx": {
      "httpUrl": "https://keryx.cc/mcp"
    }
  }
}

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