A Model Context Protocol (MCP) server that enables Claude and other AI assistants to send SMS and MMS messages using Twilio.
sms-mcp-server is an MCP project maintained in the yiyangli/sms-mcp-server repository. The maintainer describes its purpose as “A Model Context Protocol (MCP) server that enables Claude and other AI assistants to send SMS and MMS messages using Twilio”. Read the project documentation for the complete scope.
The documented npm package is @yiyang.1i/sms-mcp-server. The configuration below comes from the maintainer’s example; adapt its paths and account values to your environment.
The example declares ACCOUNT_SID, AUTH_TOKEN, FROM_NUMBER. Secret-looking values have been replaced with placeholders. Required and optional labels are shown only when the documentation states them.
Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.
{
"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"
}
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
| Variable | Description | Required |
|---|---|---|
| ACCOUNT_SID | Declared in the maintainer’s client configuration. | Check documentation |
| AUTH_TOKEN | Declared in the maintainer’s client configuration. | Check documentation |
| FROM_NUMBER | Declared in the maintainer’s client configuration. | Check documentation |
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