# Sinch

> Use this tool when you need to integrate multi-channel communication capabilities into your AI assistant, enabling messaging, voice calls, and phone number verification across various channels like SMS, WhatsApp, and email. It solves problems in customer communication workflows, automated notification systems, and call center operations by providing a unified interface for managing conversations, emails, and voice services. With its comprehensive credential management and robust error handling, it is ideal for building enterprise-grade communication infrastructure.

Canonical page: https://skillsregistry.net/skills/sinch  
JSON: https://api.skillsregistry.net/v1/skills/sinch

## Description

This MCP server provides access to Sinch's communication APIs, enabling AI assistants to send messages across multiple channels (SMS, WhatsApp, RCS, email), manage voice calls and conferences, and perform phone number verification and lookup operations. Built by Sinch using TypeScript with the Model Context Protocol SDK, it offers 24+ specialized tools organized by service area including conversation messaging with multi-channel support and SMS fallbacks, email delivery through Mailgun integration, voice services with TTS callouts and conference management, and verification services with SMS-based OTP and number lookup capabilities. The implementation features tag-based tool filtering for different use cases (conversation, email, voice, verification, notification), comprehensive credential management with environment variable validation, webhook event tracking with SQLite storage, and robust error handling with region-aware API calls, making it valuable for customer communication workflows, automated notification systems, call center operations, and building AI assistants that need programmatic access to enterprise-grade communication infrastructure across multiple channels and regions.

## Trust

- **Trust score (0–1):** 0.90
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** database
- **Updated:** 2026-09-28

## Source

- **Source listing:** [PulseMCP](https://www.pulsemcp.com/servers/sinch)
- **Repository:** <https://github.com/sinch/sinch-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": "sinch"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/sinch` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/sinch/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