Advanced TTS MCP Server

A high-quality, feature-rich Text-to-Speech MCP server with native TypeScript implementation. Designed for professional applications requiring natural, expressive speech synthesis with advanced controls and zero external dependencies.

✨ Features

🎯 Advanced Voice Control

10 High-Quality Voices - Male and female voices with distinct personalities
Emotion Control - Neutral, happy, excited, calm, serious, casual, confident
Dynamic Pacing - Natural, conversational, presentation, tutorial, narrative modes
Speed & Volume - Precise control from 0.25x to 3.0x speed, 0.1x to 2.0x volume

🚀 Professional Capabilities

Streaming Audio - Real-time synthesis and playback
Batch Processing - Handle multiple text segments efficiently
Multiple Formats - WAV, MP3, FLAC, OGG output support
Natural Speech Enhancement - Automatic pause insertion and emotion markers
Queue Management - Handle multiple concurrent requests

🔧 MCP Integration

6 Powerful Tools - Complete synthesis, batch processing, voice management
2 Rich Resources - Voice capabilities and usage examples
Real-time Status - Track processing progress and manage requests
File Management - Save, list, and organize audio outputs

🚀 Quick Start

Option 1: Deploy to Smithery.ai (Recommended)

🎯 One-Click Deployment to Smithery Platform

Deploy Now: Visit Smithery.ai and import this repository
Configure: Set your preferred voice and speech settings
Use Instantly: Access via Claude Desktop or any MCP-compatible client

Benefits:

✅ Zero setup required
✅ Automatic scaling and updates
✅ No model downloads needed
✅ Enterprise-grade hosting

📋 Full Smithery Deployment Guide →

Option 2: Local Installation

Prerequisites:

Node.js 18+

Installation:

Clone the repository

git clone https://github.com/samihalawa/advanced-tts-mcp.git
cd advanced-tts-mcp

Install dependencies

npm install

Configure Claude Desktop

Add to your claude_desktop_config.json:

{
  "mcpServers": {
    "advanced-tts": {
      "command": "node",
      "args": ["dist/index.js"],
      "cwd": "/path/to/advanced-tts-mcp"
    }
  }
}

Start using!

# Build TypeScript
npm run build

# Start server
npm start

Restart Claude Desktop and start synthesizing with natural, expressive voices.

🎙️ Available Voices

Voice ID	Name	Gender	Description
`af_heart`	Heart	Female	Warm, friendly voice (default)
`af_sky`	Sky	Female	Clear, bright voice
`af_bella`	Bella	Female	Elegant, sophisticated voice
`af_sarah`	Sarah	Female	Professional, confident voice
`af_nicole`	Nicole	Female	Gentle, soothing voice
`am_adam`	Adam	Male	Strong, authoritative voice
`am_michael`	Michael	Male	Friendly, approachable voice
`bf_emma`	Emma	Female	Young, energetic voice
`bf_isabella`	Isabella	Female	Mature, expressive voice
`bm_lewis`	Lewis	Male	Deep, resonant voice

📚 Usage Examples

Basic Synthesis

# Simple text-to-speech
await synthesize_speech(
    text="Hello! Welcome to Advanced TTS.",
    voice_id="af_heart"
)

Emotional Expression

# Excited announcement
await synthesize_speech(
    text="This is amazing news! You're going to love this new feature!",
    voice_id="af_heart",
    emotion="excited",
    pacing="conversational",
    speed=1.1
)

Professional Presentation

# Tutorial narration
await synthesize_speech(
    text="Step one: Open your browser. Step two: Navigate to the website.",
    voice_id="am_adam", 
    emotion="calm",
    pacing="tutorial",
    speed=0.9
)

Batch Processing

# Multiple segments with pauses
await batch_synthesize(
    segments=[
        "Welcome to our presentation.",
        "Today we'll cover three main topics.", 
        "Let's begin with the first topic."
    ],
    voice_id="af_sarah",
    emotion="confident",
    pacing="presentation",
    merge_output=True,
    segment_pause=1.0,
    save_file=True
)

🛠️ Available Tools

`synthesize_speech`

Convert text to natural speech with full control over voice characteristics.

Parameters:

text - Text to synthesize (max 10,000 chars)
voice_id - Voice selection (see table above)
speed - Speech rate (0.25-3.0)
emotion - Voice emotion (neutral, happy, excited, calm, serious, casual, confident)
pacing - Speech style (natural, conversational, presentation, tutorial, narrative, fast, slow)
volume - Audio volume (0.1-2.0)
output_format - File format (wav, mp3, flac, ogg)
save_file - Save to file (boolean)
filename - Custom filename

`batch_synthesize`

Process multiple text segments efficiently with optional merging.

Parameters:

segments - List of text segments
merge_output - Combine into single file
segment_pause - Pause between segments (0.0-5.0s)
All synthesis parameters from above

`get_voices`

Retrieve complete voice information and capabilities.

`get_status`

Check processing status for synthesis requests.

`cancel_request`

Cancel active synthesis operations.

`list_output_files`

Browse saved audio files with metadata.

🎛️ Voice Controls

Emotions

Neutral - Standard, professional tone
Happy - Upbeat, cheerful expression
Excited - Enthusiastic, energetic delivery
Calm - Relaxed, soothing tone
Serious - Formal, authoritative delivery
Casual - Relaxed, conversational style
Confident - Assured, professional tone

Pacing Styles

Natural - Balanced, human-like rhythm
Conversational - Casual discussion pace
Presentation - Professional speaking rhythm
Tutorial - Educational, clear delivery
Narrative - Storytelling pace
Fast - Quick delivery (1.2x base speed)
Slow - Deliberate delivery (0.8x base speed)

🎵 Audio Formats

Format	Quality	Use Case
WAV	Uncompressed	Highest quality, editing
MP3	Compressed	Web, streaming, sharing
FLAC	Lossless	Archival, high-quality storage
OGG	Compressed	Open source alternative

🔧 Configuration

Environment Variables

# Model paths (optional)
KOKORO_MODEL_PATH=./kokoro-v1.0.onnx
KOKORO_VOICES_PATH=./voices-v1.0.bin

# Output settings
TTS_OUTPUT_DIR=./audio_output
TTS_MAX_QUEUE_SIZE=100

# Audio settings  
TTS_DEFAULT_VOICE=af_heart
TTS_ENABLE_STREAMING=true

Server Configuration

config = ServerConfig(
    model_path="./kokoro-v1.0.onnx",
    voices_path="./voices-v1.0.bin", 
    output_dir="./audio_output",
    max_queue_size=100,
    enable_streaming=True,
    default_voice="af_heart"
)

🏗️ Architecture

├── src/advanced_tts/
│   ├── __init__.py          # Package initialization
│   ├── server.py            # MCP server implementation  
│   ├── engine.py            # Kokoro TTS engine wrapper
│   ├── models.py            # Data models and validation
│   └── utils.py             # Utility functions
├── pyproject.toml           # Project configuration
├── README.md               # Documentation
└── LICENSE                 # MIT License

🤝 Contributing

Contributions welcome! Areas for improvement:

Additional voice models
Real-time streaming synthesis
Advanced audio effects
Multi-language support
Performance optimizations

📄 License

MIT License - see LICENSE for details.

🙏 Acknowledgments

Kokoro TTS - High-quality neural voice synthesis
MCP Protocol - Seamless AI model integration
FastMCP - Efficient server framework

Developed by Sami Halawa

Transform your text into natural, expressive speech with Advanced TTS MCP Server.

Deploy Server

HTTP connection URL

security – no known vulnerabilities

license - permissive license

quality - confirmed to work

How are these scores calculated?

hybrid server

The server is able to function both locally and remotely, depending on the configuration or use case.

Tools

Provides high-quality text-to-speech synthesis with 10 natural voices, emotion control, and dynamic pacing for professional applications requiring expressive speech output.

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