Twilio MCP Server: Real-Time SMS Automation & Secure Scaling

Empower AI assistants like Claude to send SMS via Twilio with our MCP Server—seamlessly integrating real-time messaging into workflows, securely scaling communication automation.

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About Twilio MCP Server

What is Twilio MCP Server: Real-Time SMS Automation & Secure Scaling?

Twilio MCP Server is a specialized protocol server enabling AI assistants like Claude to send SMS and MMS messages via Twilio's API. It acts as a bridge between AI-driven workflows and Twilio's messaging infrastructure, ensuring real-time communication while maintaining secure credential management and scalable performance.

How to use Twilio MCP Server: Real-Time SMS Automation & Secure Scaling?

Install Node.js 18+ using nvm install 18.14.2 and set it as default.
Set environment variables ACCOUNT_SID, AUTH_TOKEN, and FROM_NUMBER in your system or application config.
Configure Claude Desktop by adding MCP server details to its config file:


{
  "mcpServers": {
    "twilio": {
      "command": "npx",
      "args": ["-y", "@yiyang.1i/sms-mcp-server"],
      "env": {
        "ACCOUNT_SID": "your_twilio_sid",
        "AUTH_TOKEN": "your_twilio_token",
        "FROM_NUMBER": "+11234567890"
      }
    }
  }
}

Restart Claude Desktop to activate the integration.

Twilio MCP Server Features

Key Features of Twilio MCP Server: Real-Time SMS Automation & Secure Scaling?

Send SMS/MMS directly from AI workflows with minimal latency
Preset templates for common messaging scenarios (e.g., notifications, alerts)
Automated credential rotation and encryption for compliance
Scalable API rate limits managed through Twilio's enterprise features

Use Cases for Twilio MCP Server: Real-Time SMS Automation & Secure Scaling?

Common applications include:

Automated order confirmations and shipping updates
Two-factor authentication and security alerts
Customer support ticket notifications
Time-sensitive marketing campaigns

Twilio MCP Server FAQ

FAQ: Twilio MCP Server: Real-Time SMS Automation & Secure Scaling?

Why do I get "Invalid format" errors?: Verify FROM_NUMBER uses E.164 format (e.g., +15558675309)
My messages are rate-limited: Check Twilio's enterprise plan for higher API quotas here
How often should I rotate credentials?: Twilio recommends monthly rotation for production environments

Content

Twilio MCP Server

A Model Context Protocol (MCP) server that enables Claude and other AI assistants to send SMS and MMS messages using Twilio.

Demo

Features

Send SMS messages 📱
Pre-built prompts for common messaging scenarios 📝
Secure handling of Twilio credentials 🔒

Requirements

Node.js >= 18
- If you need to update Node.js, we recommend using nvm (Node Version Manager):
```
      nvm install 18.14.2
```
  nvm alias default 18.14.2
- If you encounter any errors in Claude Desktop, try running the following command in your terminal to verify the installation:
```
      npx -y @yiyang.1i/sms-mcp-server
```

Configuration

The server requires three environment variables:

ACCOUNT_SID: Your Twilio account SID
AUTH_TOKEN: Your Twilio auth token
FROM_NUMBER: Your Twilio phone number (in E.164 format, e.g., +11234567890)

Claude Desktop Configuration

To use this server with Claude Desktop, add the following to your configuration file:

macOS : ~/Library/Application Support/Claude/claude_desktop_config.json

Windows : %APPDATA%\Claude\claude_desktop_config.json

{
  "mcpServers": {
    "twilio": {
      "command": "npx",
      "args": [
        "-y",
        "@yiyang.1i/sms-mcp-server"
      ],
      "env": {
        "ACCOUNT_SID": "your_account_sid",
        "AUTH_TOKEN": "your_auth_token",
        "FROM_NUMBER": "your_twilio_number"
      }
    }
  }
}

After that, restart Claude Desktop to reload the configuration. If connected, you should see Twilio under the 🔨 menu.

Example Interactions with Claude

Here are some natural ways to interact with the server through Claude:

Simple SMS:

Send a text message to the number +11234567890 saying "Don't forget about dinner tonight!"

Creative SMS:

Write a haiku about autumn and send it to my number +11234567890

Important Notes

Phone Number Format : All phone numbers must be in E.164 format (e.g., +11234567890)
Rate Limits : Be aware of your Twilio account's rate limits and pricing
Security : Keep your Twilio credentials secure and never commit them to version control

Troubleshooting

Common error messages and solutions:

"Phone number must be in E.164 format"

* Make sure the phone number starts with "+" and the country code

"Invalid credentials"

* Double-check your ACCOUNT_SID and AUTH_TOKEN. You can copy them from the [Twilio Console](https://console.twilio.com)

Contributing

Contributions are welcome! Please read our contributing guidelines before submitting pull requests.

License

This project is licensed under the MIT License - see the LICENSE file for details.

Security

Please do not include any sensitive information (like phone numbers or Twilio credentials) in GitHub issues or pull requests.