Twilio MCP

Overview

The Twilio MCP server enables AI agents to send SMS, MMS, and voice messages via Twilio. Perfect for building notification systems, communication bots, and telephony integrations.

Features

• Send SMS: Send text messages to phone numbers
• Send MMS: Send multimedia messages with images
• Voice Calls: Initiate voice calls
• Message Status: Track delivery status
• Number Management: View available phone numbers

Installation

npx -y @modelcontextprotocol/server-twilio

Configuration

{
  "mcpServers": {
    "twilio": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-twilio"],
      "env": {
        "TWILIO_ACCOUNT_SID": "your-account-sid",
        "TWILIO_AUTH_TOKEN": "your-auth-token"
      }
    }
  }
}

Twilio Setup

1. Create a Twilio account at twilio.com
2. Get your Account SID and Auth Token from the dashboard
3. Optionally buy a phone number
4. Set environment variables

Available Tools

Tool	Description
send_sms	Send an SMS message
send_mms	Send an MMS with media
make_call	Initiate a voice call
get_message_status	Check message delivery status
list_messages	List recent messages
list_numbers	List available phone numbers

Usage Examples

Send a Notification

Send an SMS to +1-555-123-4567 saying "Your appointment is confirmed for tomorrow at 2pm."

Send an Image

Send an MMS to +1-555-123-4567 with the image at /path/to/photo.jpg.

Check Delivery

What's the delivery status of message SM1234567890?

Pros

• ✅ Reliable SMS/MMS delivery
• ✅ Voice call support
• ✅ Global coverage
• ✅ Delivery tracking

Cons

• ❌ Requires Twilio account
• ❌ Per-message costs apply
• ❌ Phone number rental fees

Resources

• MCP Server Repository
• Twilio API Docs