MCP Servers

Voicebox MCP Server

Enables integration with VOICEVOX text-to-speech services to convert text into audio using a variety of character voices. It provides tools for speech generation, listing available speakers, and monitoring system health.

README

VoiceBox MCP Server

Model Context Protocol (MCP) server for VOICEVOX text-to-speech integration.

Features

voicebox_speak - Convert text to speech
voicebox_status - Check task status
voicebox_speakers - List available speakers
voicebox_health - Check system health
voicebox_metrics - Get system metrics

Prerequisites

VoiceBox TTS API must be running:

cd ~/dev/voicebox-tts
./scripts/start.sh

VOICEVOX must be running with API server enabled (port 50021)

Installation

cd ~/dev/voicebox-mcp
npm install
npm run build

Claude Code Configuration

Add to ~/.claude/settings.json:

{
  "mcpServers": {
    "voicebox": {
      "command": "node",
      "args": ["/Users/shunsukehayashi/dev/voicebox-mcp/dist/index.js"],
      "env": {
        "VOICEBOX_API_URL": "http://localhost:5001"
      }
    }
  }
}

Available Speakers

ID	Name
0	四国めたん (あまあま)
1	四国めたん (ノーマル)
2	四国めたん (セクシー)
3	ずんだもん (ノーマル)
4	ずんだもん (あまあま)
5	ずんだもん (悲嘆)
6	春日部つむぎ (ノーマル)
7	春日部つむぎ (あまあま)
8	春日部つむぎ (ツンデレ)

Usage in Claude Code

Please use voicebox_speak to say "Hello, world!" with speaker 3 (Zundamon).

Check the voicebox system health.

List all available VOICEVOX speakers.

Development

npm run dev    # Watch mode
npm run build  # Build
npm start      # Run server

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