MCP-Server

What is MCP-Server?

MCP-Server is a Model Context Protocol server that enables you to generate voice messages using ElevenLabs and send them through WhatsApp with the help of Claude. It is intended for users who want to send audio messages, especially playable .ogg Opus voice messages, via WhatsApp.

How to use MCP-Server?

Clone the repository, install the prerequisites (Go, Python 3.6+, Anthropic Claude Desktop app, UV, and optionally FFmpeg), then configure your Claude Desktop app’s claude_desktop_config.json file with your ElevenLabs API key and file directories. Restart Claude Desktop to use the server.

Key features of MCP-Server

• Generate voice messages using ElevenLabs API
• Send generated voice messages through WhatsApp with Claude
• Automatic conversion of non-Opus audio files (if FFmpeg is installed)
• Supports raw audio file sending without FFmpeg
• Integrates with Claude Desktop app via MCP configuration

Use cases of MCP-Server

• Automating voice note delivery through WhatsApp
• Sending personalized audio messages from a Claude-powered assistant
• Converting text to speech and delivering it as a WhatsApp message

FAQ from MCP-Server

What dependencies are required?

Go, Python 3.6+, Anthropic Claude Desktop app, and UV (Python package manager) are required. FFmpeg is optional but recommended for sending audio as playable .ogg Opus voice messages.

Where is the server configured?

The server is configured via the Claude Desktop app’s claude_desktop_config.json file, where you add your ElevenLabs API key and specify file directories.

Do I need FFmpeg to send audio files?

No. Without FFmpeg, you can still send raw audio files using the send_file tool. FFmpeg is only needed to automatically convert non-Opus audio files into the .ogg Opus format required for playable WhatsApp voice messages.

How do I get started after cloning the repository?

Follow the steps inside the respective folders of the cloned repository to install required dependencies, then update the Claude Desktop config file and restart the app.