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Gemini CLI

useragent mcp for Gemini CLI

io.github.mrfentmen/useragent-mcp

Parse user-agent strings into browser, engine, OS and device, and flag crawlers - fully local.

client:Gemini CLI transport:stdio runtime:npm

Install useragent mcp in Gemini CLI

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

{
  "mcpServers": {
    "useragent-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@mrfentmen/useragent-mcp"
      ]
    }
  }
}

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

useragent mcp in other clients