local-only server

The server can only run on the client’s local machine because it depends on local resources.

Integrations

Used for version control and distribution of the MCP server code.
Hosts the repository for the MCP server, enabling collaboration and distribution.
Provides a runtime environment for the MCP server, allowing it to execute JavaScript code for handling text-to-speech and speech-to-text requests.

MS-Lucidia-Voice-Gateway-MCP

A Model Context Protocol (MCP) server that provides text-to-speech and speech-to-text capabilities using Windows' built-in speech services. This server leverages the native Windows Speech API (SAPI) through PowerShell commands, eliminating the need for external APIs or services.

Features

Text-to-Speech (TTS) using Windows SAPI voices
Speech-to-Text (STT) using Windows Speech Recognition
Simple web interface for testing
No external API dependencies
Uses native Windows capabilities

Prerequisites

Windows 10/11 with Speech Recognition enabled
Node.js 16+
PowerShell

Installation

Clone the repository:

git clone https://github.com/ExpressionsBot/MS-Lucidia-Voice-Gateway-MCP.git
cd MS-Lucidia-Voice-Gateway-MCP

Install dependencies:

npm install

Build the project:

npm run build

Usage

Testing Interface

Start the test server:

npm run test

Open http://localhost:3000 in your browser
Use the web interface to test TTS and STT capabilities

Available Tools

text_to_speech

Converts text to speech using Windows SAPI.

Parameters:

text (required): The text to convert to speech
voice (optional): The voice to use (e.g., "Microsoft David Desktop")
speed (optional): Speech rate from 0.5 to 2.0 (default: 1.0)

Example:

fetch('http://localhost:3000/tts', {
  method: 'POST',
  headers: { 'Content-Type': 'application/json' },
  body: JSON.stringify({
    text: "Hello, this is a test",
    voice: "Microsoft David Desktop",
    speed: 1.0
  })
});

speech_to_text

Records audio and converts it to text using Windows Speech Recognition.

Parameters:

duration (optional): Recording duration in seconds (default: 5, max: 60)

Example:

fetch('http://localhost:3000/stt', {
  method: 'POST',
  headers: { 'Content-Type': 'application/json' },
  body: JSON.stringify({
    duration: 5
  })
}).then(response => response.json())
  .then(data => console.log(data.text));

Troubleshooting

Make sure Windows Speech Recognition is enabled:
- Open Windows Settings
- Go to Time & Language > Speech
- Enable Speech Recognition
Check available voices:
- Open PowerShell and run:
Add-Type -AssemblyName System.Speech (New-Object System.Speech.Synthesis.SpeechSynthesizer).GetInstalledVoices().VoiceInfo.Name
Test speech recognition:
- Open Speech Recognition in Windows Settings
- Run through the setup wizard if not already done
- Test that Windows can recognize your voice

Contributing

Fork the repository
Create your feature branch
Commit your changes
Push to the branch
Create a new Pull Request

License

MIT

This server cannot be installed

-

security - not tested

F

license - not found

-

quality - not tested

A server providing text-to-speech and speech-to-text functionalities using Windows' native speech services without external dependencies.

Related Resources

Reddit Discussion about this server