Twilio MCP Server

Integrates Twilio communication APIs with AI agents through the Model Context Protocol. Enables sending SMS messages, making voice calls, managing phone numbers, and querying message history. Supports programmable messaging, conversation management, and webhook configuration for real-time communication workflows.

{
  "mcpServers": {
    "twilio": {
      "command": "npx",
      "args": [
        "-y",
        "@twilio/mcp-server"
      ],
      "env": {
        "TWILIO_ACCOUNT_SID": "<YOUR_TWILIO_ACCOUNT_SID>",
        "TWILIO_AUTH_TOKEN": "<YOUR_TWILIO_AUTH_TOKEN>"
      }
    }
  }
}

{
  "type": "object",
  "required": [
    "to",
    "body"
  ],
  "properties": {
    "to": {
      "type": "string",
      "description": "Recipient phone number in E.164 format"
    },
    "body": {
      "type": "string",
      "description": "Message content (max 1600 characters)"
    },
    "from": {
      "type": "string",
      "description": "Twilio phone number to send from (E.164 format)"
    }
  }
}

{
  "type": "object",
  "properties": {
    "to": {
      "type": "string",
      "description": "Filter by recipient number"
    },
    "from": {
      "type": "string",
      "description": "Filter by sender number"
    },
    "limit": {
      "type": "integer",
      "description": "Maximum messages to return (default 20)"
    },
    "date_sent_after": {
      "type": "string",
      "description": "Filter messages sent after this ISO 8601 datetime"
    }
  }
}

{
  "type": "object",
  "required": [
    "phone_number"
  ],
  "properties": {
    "fields": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Information fields to retrieve (carrier, caller_name, line_type)"
    },
    "phone_number": {
      "type": "string",
      "description": "Phone number to look up in E.164 format"
    }
  }
}