Opper for Gemini CLI

ai.opper/opper

EU AI gateway: search 700+ models, create projects and API keys, manage rules, usage and traces.

client:Gemini CLI transport:streamable-http

Install Opper in Gemini CLI

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

{
  "mcpServers": {
    "opper": {
      "httpUrl": "https://api.opper.ai/mcp"
    }
  }
}

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