# Voice Call (Twilio)

> Use this tool when you need to automate phone conversations and interact with users through natural voice interactions. It solves problems such as appointment scheduling, customer service, and information gathering by enabling AI assistants to make outbound calls and process speech in real-time. The tool takes audio input and outputs context-aware responses via a WebSocket interface, ideal for applications requiring automated phone interactions without human intervention.

Canonical page: https://skillsregistry.net/skills/lukaskai-voice-call  
JSON: https://api.skillsregistry.net/v1/skills/lukaskai-voice-call

## Description

A voice call automation server that enables AI assistants to make outbound phone calls via Twilio. Built with TypeScript, this implementation handles the complete lifecycle of phone conversations, from initiating calls to processing speech with OpenAI's real-time audio models. The server features a WebSocket architecture that bridges Twilio's voice API with OpenAI's streaming capabilities, allowing for natural conversations with context-aware responses. It's particularly useful for applications requiring automated phone interactions like appointment scheduling, customer service, or information gathering without human intervention.

## Trust

- **Trust score (0–1):** 0.89
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

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

## Source

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

REST: `GET https://api.skillsregistry.net/v1/skills/lukaskai-voice-call` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/lukaskai-voice-call/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