{"name":"Send SMS (Vonage)","description":"Send a text message (SMS) to any phone number via Vonage (formerly Nexmo). Input: `to` (E.164 phone number like +12125551234), `body` (message text, max 1600 chars). Returns: `messageSid` (Vonage message ID for tracking), `status` (queued/sent/delivered/failed), `to` and `from` numbers, `dateCreated` (ISO timestamp), `segments` (number of SMS segments). TRIAL ACCOUNT: may only send to pre-verified numbers. Messages over 160 chars are automatically split into multiple segments. Delivery is typically under 5 seconds."}