Simple Voicevox FAQs

Question 1

What is Simple Voicevox?

Accepted Answer

Simple Voicevox is a Node.js server that seamlessly integrates the VOICEVOX speech synthesis engine, providing robust text-to-speech functionality via the Model Context Protocol (MCP) for various MCP clients like Claude Code.

Question 2

What are the core requirements to use Simple Voicevox?

Accepted Answer

To use Simple Voicevox, you need Node.js version 18.0.0 or higher, and the VOICEVOX engine must be installed, running, and accessible at its default endpoint (`http://localhost:50021`).

Question 3

How do I control speech parameters like voice and speed?

Accepted Answer

The `speak` tool provided by Simple Voicevox allows you to define the `text` to be spoken, select a `speaker` ID for different VOICEVOX voices, and adjust the `speedScale` parameter (from 0.5 to 2.0) to control the playback speed.

Question 4

Which operating systems are supported for audio playback?

Accepted Answer

Simple Voicevox offers cross-platform audio playback support for macOS (using `afplay`), Linux (using `aplay`), and Windows (utilizing PowerShell's `Media.SoundPlayer`).

Question 5

Is Simple Voicevox difficult to install for developers?

Accepted Answer

No, installation is straightforward for developers. You can easily install it globally via npm (`npm install -g @t09tanaka/mcp-simple-voicevox`) or run it directly from its source code after cloning the repository.

Simple Voicevox

Simple Voicevox

Key Features

Use Cases

Key Features

Use Cases