Penny Rounding for Gemini CLI

com.gumballtools/penny-rounding

Round cash totals to the nearest nickel correctly — after tax, on the total, cash only.

client:Gemini CLI transport:streamable-http tools:3

Install Penny Rounding in Gemini CLI

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

{
  "mcpServers": {
    "penny-rounding": {
      "httpUrl": "https://penny-rounding.gumballtools.com/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