PREFLIGHT — URL Routing for AI Agents for Gemini CLI

io.github.gsterlingpress/preflight

Choose HTTP, browser, machine endpoint, or avoid before an agent visits an unfamiliar URL.

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

Install PREFLIGHT — URL Routing for AI Agents in Gemini CLI

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

{
  "mcpServers": {
    "preflight": {
      "httpUrl": "https://preflight-api-production-01a2.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