const r = await mn.api('/devices');
mn.log((r.devices || []).length);

{
  "bridgeApiVersion": "0.91",
  "devices": [
    {
      "id": "macbook",
      "name": "MacBook",
      "platform": "macOS",
      "pairedAt": "2026-10-07T10:20:00Z"
    }
  ]
}