Audio MCP Server

An MCP (Model Context Protocol) server that provides audio input/output capabilities for AI assistants like Claude. This server enables Claude to interact with your computer's audio system, including recording from microphones and playing audio through speakers.

Features

List Audio Devices: View all available microphones and speakers on your system
Record Audio: Capture audio from any microphone with customizable duration and quality
Playback Recordings: Play back your most recent recording
Audio File Playback: Play audio files through your speakers
Text-to-Speech: (Placeholder for future implementation)

Requirements

Python 3.8 or higher
Audio input/output devices on your system

Installation

Installing via Smithery

To install Audio Interface Server for Claude Desktop automatically via Smithery:

npx -y @smithery/cli install @GongRzhe/Audio-MCP-Server --client claude

Manual Installation

Clone this repository or download the files to your computer:

git clone https://github.com/GongRzhe/Audio-MCP-Server.git
cd Audio-MCP-Server

Create a virtual environment and install dependencies:

# Windows
python -m venv .venv
.venv\Scripts\activate
pip install -r requirements.txt

# macOS/Linux
python -m venv .venv
source .venv/bin/activate
pip install -r requirements.txt

Or use the included setup script to automate installation:

python setup_mcp.py

Configuration

Claude Desktop Configuration

To use this server with Claude Desktop, add the following to your Claude Desktop configuration file:

macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
Windows: %APPDATA%\Claude\claude_desktop_config.json

{
  "mcpServers": {
    "audio-interface": {
      "command": "/path/to/your/.venv/bin/python",
      "args": [
        "/path/to/your/audio_server.py"
      ],
      "env": {
        "PYTHONPATH": "/path/to/your/audio-mcp-server"
      }
    }
  }
}

Replace the paths with the actual paths on your system. The setup script will generate this configuration for you.

Usage

After setting up the server, restart Claude Desktop. You should see a hammer icon in the input box, indicating that tools are available.

Try asking Claude:

"What microphones and speakers are available on my system?"
"Record 5 seconds of audio from my microphone."
"Play back the audio recording."
"Play an audio file from my computer."

Available Tools

list_audio_devices

Lists all available audio input and output devices on your system.

record_audio

Records audio from your microphone.

Parameters:

duration: Recording duration in seconds (default: 5)
sample_rate: Sample rate in Hz (default: 44100)
channels: Number of audio channels (default: 1)
device_index: Specific input device index to use (default: system default)

play_latest_recording

Plays back the most recently recorded audio.

play_audio

Placeholder for text-to-speech functionality.

Parameters:

text: The text to convert to speech
voice: The voice to use (default: "default")

play_audio_file

Plays an audio file through your speakers.

Parameters:

file_path: Path to the audio file
device_index: Specific output device index to use (default: system default)

Troubleshooting

No devices found

If no audio devices are found, check:

Your microphone and speakers are properly connected
Your operating system recognizes the devices
You have the necessary permissions to access audio devices

Playback issues

If audio playback isn't working:

Check your volume settings
Ensure the correct output device is selected
Try restarting the Claude Desktop application

Server connectivity

If Claude can't connect to the server:

Verify your configuration paths are correct
Ensure Python and all dependencies are installed
Check Claude's logs for error messages

License

MIT

Acknowledgments

Built using the Model Context Protocol
Uses sounddevice and soundfile for audio processing

Note: This server provides tools that can access your microphone and speakers. Always review and approve tool actions before they execute.