# Twilio SMS

> Use this tool when you need to send SMS and MMS messages through a simple interface with proper phone number validation and error handling. It solves problems in applications where AI assistants require communication with users via text messaging, such as sending greetings, haikus, or general messages. The tool takes in message content and phone numbers as inputs and outputs sent messages, making it ideal for use cases where seamless text-based communication is necessary.

Canonical page: https://skillsregistry.net/skills/yiyang-li-twilio-sms  
JSON: https://api.skillsregistry.net/v1/skills/yiyang-li-twilio-sms

## Description

SMS MCP Server enables Claude and other AI assistants to send SMS and MMS messages through Twilio's API. Built by Yiyang Li, this TypeScript implementation provides a simple interface for sending text messages with proper phone number validation and error handling. The server exposes both a general-purpose message sending tool and specialized prompts for sending greetings and haikus, making it particularly useful for applications where AI assistants need to communicate with users via text messaging without leaving the conversation interface.

## Trust

- **Trust score (0–1):** 0.64
- **Verification tier:** scanned
- **Last scanned:** 2026-09-01

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** communication
- **Updated:** 2026-09-01

## Source

- **Source listing:** [PulseMCP](https://www.pulsemcp.com/servers/yiyang-li-twilio-sms)
- **Repository:** <https://github.com/yiyangli/sms-mcp-server>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "yiyang-li-twilio-sms"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/yiyang-li-twilio-sms` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/yiyang-li-twilio-sms/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt