Overview
What is Twilio Messaging MCP Server?
A Model Context Protocol server that enables sending SMS messages via the Twilio API. It integrates with MCP clients like Claude Desktop and uses Twilio API Keys for improved security over Auth Tokens.
How to use Twilio Messaging MCP Server?
Run with npx: npx twilio-messaging-mcp-server <accountSid> <apiKey> <apiSecret> <number> or install globally and run. For Claude Desktop, add a configuration entry in claude_desktop_config.json with the command and the four credentials as arguments.
Key features of Twilio Messaging MCP Server
- Send SMS messages via Twilio
- Integrates with MCP clients like Claude Desktop
- Secure credential handling without environment variables
- Uses Twilio API Keys for improved security
- Provides a single tool:
send-sms
Use cases of Twilio Messaging MCP Server
- Sending SMS notifications from an AI assistant
- Triggering text messages via natural language in Claude Desktop
- Automating SMS alerts without exposing Auth Tokens
FAQ from Twilio Messaging MCP Server
What credentials does the server require?
Four parameters: Twilio Account SID (starts with "AC"), API Key (starts with "SK"), API Secret, and a sending phone number in E.164 format.
How is this different from using a Twilio Auth Token?
The server uses API Keys and Secrets instead of Auth Tokens for better access control and credential revocation.
How do I run the server manually for testing?
Run node build/index.js with the four credentials. You should see "[TwilioMessagingMCP] Server started successfully".
Where is the Claude Desktop configuration file located?
On macOS: ~/Library/Application Support/Claude/claude_desktop_config.json. On Windows: %APPDATA%\Claude\claude_desktop_config.json.
Is the server published to npm?
The README includes instructions for both local development (pointing to build/index.js) and after npm publishing (using npx -y twilio-messaging-mcp-server).
