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Phonecall - Real phone calls for Claude Desktop MCP Server

@leszini

Repository

Basic information

Category

AI & Agents

Transports

stdio

Author

leszini

Submitted by

Anita Leszkovszki

About Phonecall - Real phone calls for Claude Desktop MCP Server

MCP server that lets Claude make real phone calls via Twilio + ElevenLabs. Claude is the brain — with full tool access during calls — the phone is just I/O. GDPR-compliant, multi-language, DTMF turn-taking.

#twilio#phone#voice#tts#stt#phone-call#gdpr-complient#elevenlabs#claude-desktop#claude

Phonecall - Real phone calls for Claude Desktop MCP Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "phonecall-mcp": {
      "command": "python",
      "args": [
        "C:\\full\\path\\to\\phonecall-mcp\\server.py"
      ]
    }
  }
}

Phonecall - Real phone calls for Claude Desktop MCP Server tools

Tool list not available yet

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Overview

What is Phonecall - Real phone calls for Claude Desktop?

Phonecall - Real phone calls for Claude Desktop is an MCP server that enables Claude to make and manage real phone calls through Twilio, with the full Claude instance handling the call and accessing its tools in real time. It is for users who want Claude to interact via phone with human callees or voicemail.

How to use Phonecall - Real phone calls for Claude Desktop?

Set up the server with Python 3.12+, configure a Twilio account and ElevenLabs API credentials, run ngrok for webhook endpoints, and connect the MCP server to Claude Desktop to enable phone call capabilities.

Key features of Phonecall - Real phone calls for Claude Desktop

  • Outbound calls with natural voice using ElevenLabs TTS
  • Real-time transcription via ElevenLabs Scribe v2 Realtime
  • Full Claude tool access during calls (web search, calendar, Drive, etc.)
  • Inbound voicemail handling and multi-language support
  • DTMF-based turn-taking for reliable conversation flow
  • GDPR consent mechanism enforced at server level

Use cases of Phonecall - Real phone calls for Claude Desktop

  • Making outbound phone calls where Claude can research and respond in real time
  • Handling inbound voicemail with transcription and tool-assisted responses
  • Multilingual phone interactions with natural voice and barge-in capability

Frequently asked questions

1

How does this differ from typical phone AI solutions?

Unlike typical solutions that put a pre-prompted bot on the line, the full Claude instance handles the call with access to all its tools in real time.

2

What are the dependencies and runtime requirements?

Requires Python 3.12+, a Twilio account, ElevenLabs API, ngrok, and Claude Desktop.

3

How does turn-taking work?

Turn-taking is DTMF-based – the callee presses 1 when done speaking, which is more reliable than silence detection on phone lines.

4

How is user consent handled?

Built-in GDPR consent mechanism ensures no transcription occurs until the callee explicitly agrees, enforced at server level.

5

What features are supported?

Features include outbound calls with natural voice, real-time transcription, tool use during calls, inbound voicemail handling, multi-language support, barge-in, and full timestamped transcripts.

Comments

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