Gemini CLI

Penny Engine — Agent Operations for Gemini CLI

io.github.kasheik3/penny-engine

Remote MCP utilities for agents: structured data, commerce checks, and x402 paid API discovery.

client:Gemini CLI transport:streamable-http tools:16

Install Penny Engine — Agent Operations in Gemini CLI

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

{
  "mcpServers": {
    "penny-engine": {
      "httpUrl": "https://penny-agent-api-production.up.railway.app/mcp"
    }
  }
}

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

What Gemini CLI can do once it is connected

Penny Engine — Agent Operations in other clients

Penny Engine — Agent Operations MCP server