Bouyomi-chan MCP Server

Boyomi-chan MCP Server (Node.js version)

This is a server that uses the Model Context Protocol (MCP) to provide text-to-speech functionality using Bokuyomi-chan (a slow voice) to AI assistants. It is implemented in Node.js/TypeScript.

overview

This server is an MCP server that allows AI assistants such as Claude to use Boyomi-chan.

function

Text to speech
Select voice type (female, male, etc.)
Volume adjustment
Adjustable speech speed
Pitch Adjustment

Prerequisites

Node.js 16 or higher
npm 7 or higher
Boyomi-chan must be installed.
The HTTP link for Boyomi-chan is running on port 50080.

How to install

Clone this repository:

git clone https://github.com/uraoz/bouyomichan-mcp-nodejs.git
cd bouyomichan-mcp-nodejs

Install the dependencies:

npm install

Which compiles:

npm run build

How to use

Starting the Server

npm start

Integration with Claude for Desktop

To work with Claude for Desktop you need to edit the configuration file:

Open the Claude for Desktop configuration file:
- MacOS: ~/Library/Application Support/Claude/claude_desktop_config.json
- Windows: %APPDATA%\Claude\claude_desktop_config.json
Add the following content (replace the paths with the actual file paths):

{
  "mcpServers": {
    "bouyomi": {
      "command": "node",
      "args": [
        "/絶対パス/bouyomichan-mcp-nodejs/build/index.js"
      ]
    }
  }
}

Restart Claude for Desktop.

Usage Example

Claude for Desktop will read text aloud to you by:

Read out "Hello, World"
A male voice reads out "This is a test."
Speed up and read "I'm in a hurry"

Parameter Description

Parameters	explanation	Default value	Scope
text	Read text	Required	Any text
voice	Audio Type	0 (1 female)	0: Female 1, 1: Male 1, 2: Female 2, ...
volume	volume	-1 (default)	-1: default, 0-100: volume level
speed	speed	-1 (default)	-1: default, 50-200: speed level
tone	Pitch	-1 (default)	-1: default, 50-200: pitch level

license

MIT

Deploy Server

HTTP connection URL

security – no known vulnerabilities

license - permissive license

quality - confirmed to work

How are these scores calculated?

local-only server

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

Tools

read_text

A Node.js server that enables AI assistants to interact with Bouyomi-chan's text-to-speech functionality through Model Context Protocol (MCP), allowing for voice reading of text with adjustable parameters.

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