BananaCrystal: FX rates, swaps and payments in 140+ currencies for Gemini CLI

com.bananacrystal/mcp

Give your AI agent a wallet: live FX rates, swaps and payments in 140+ local currencies.

client:Gemini CLI transport:streamable-http

Install BananaCrystal: FX rates, swaps and payments in 140+ currencies in Gemini CLI

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

{
  "mcpServers": {
    "mcp": {
      "httpUrl": "https://agentic.bananacrystal.com/mcp"
    }
  }
}

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