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Kokoro TTS MCP Server

A Model Context Protocol (MCP) server that provides text-to-speech capabilities using the Kokoro TTS engine. This server exposes TTS functionality through MCP tools, making it easy to integrate speech synthesis into your applications.

Prerequisites

• Python 3.10 or higher
• uv package manager

Installation

1. First, install the uv package manager:

curl -LsSf https://astral.sh/uv/install.sh | sh

2. Clone this repository and install dependencies:

uv venv
source .venv/bin/activate  # On Windows, use: .venv\Scripts\activate
uv pip install .

Features

• Text-to-speech synthesis with customizable voices
• Adjustable speech speed
• Support for saving audio to files or direct playback
• Cross-platform audio playback support (Windows, macOS, Linux)

Usage

The server provides a single MCP tool generate_speech with the following parameters:

• text (required): The text to convert to speech
• voice (optional): Voice to use for synthesis (default: "af_heart")
• speed (optional): Speech speed multiplier (default: 1.0)
• save_path (optional): Directory to save audio files
• play_audio (optional): Whether to play the audio immediately (default: False)

Example Usage

from mcp.client import Client

async with Client() as client:
    await client.connect("kokoro-tts")
    
    # Generate and play speech
    result = await client.call_tool(
        "generate_speech",
        {
            "text": "Hello, world!",
            "voice": "af_heart",
            "speed": 1.0,
            "play_audio": True
        }
    )

Dependencies

• kokoro >= 0.8.4
• mcp[cli] >= 1.3.0
• soundfile >= 0.13.1

Platform Support

Audio playback is supported on:

• Windows (using start)
• macOS (using afplay)
• Linux (using aplay)

MCP Configuration

Add the following configuration to your MCP settings file:

{
  "mcpServers": {
    "kokoro-tts": {
      "command": "/Users/giannisan/pinokio/bin/miniconda/bin/uv",
      "args": [
        "--directory",
        "/Users/giannisan/Documents/Cline/MCP/kokoro-tts-mcp",
        "run",
        "tts-mcp.py"
      ]
    }
  }
}

License

[Add your license information here]