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MCP TTS VOICEVOX

@kajidog

基本情報

カテゴリ

その他

ライセンス

ISC

トランスポート

stdio

作者

kajidog

MCP TTS VOICEVOX について

VOICEVOX MCP Server (MCP Apps対応)

MCP TTS VOICEVOX の設定

以下の設定を使って、このサーバーを MCP 対応クライアントに追加してください。

{
  "mcpServers": {
    "mcp-tts-voicevox": {
      "command": "docker",
      "args": [
        "compose",
        "up",
        "-d"
      ]
    }
  }
}

MCP TTS VOICEVOX のツール

ツール一覧はまだありません

この掲載には表示できるツール一覧がまだありません。サーバーにツールがないという意味ではありません。対応機能はプロジェクトのドキュメントをご確認ください。

ツールは README から自動的に抽出されます。メンテナーは ## Tools という見出しの下に記載することで、このタブに反映できます。

概要

What is MCP TTS VOICEVOX?

MCP TTS VOICEVOX is a text-to-speech MCP server that uses the VOICEVOX engine. It enables AI assistants in MCP clients like Claude Desktop to speak, offers an interactive UI audio player with client-side playback, and supports multi-speaker conversations, segment editing, and WAV export.

How to use MCP TTS VOICEVOX?

Requires Node.js 20+ (or Bun) and a running VOICEVOX Engine (or use Docker Compose). Install via npx -y @kajidog/mcp-tts-voicevox (or bunx) in your Claude Desktop configuration, then restart Claude Desktop. Optional: install ffplay for streaming playback. Environment variables configure engine URL, speakers, playback options, and UI player settings.

Key features of MCP TTS VOICEVOX

  • Text-to-speech for AI assistants (Claude Desktop, ChatGPT, etc.)
  • Interactive UI audio player with play/pause and track controls
  • Multi-speaker dialogue with segment editing and reordering
  • WAV export, user dictionary manager, and cross-session state restore
  • Streaming playback via ffplay (optional) or fallback temp-file playback
  • Cross-platform: Windows, macOS, Linux (including WSL and Docker)

Use cases of MCP TTS VOICEVOX

  • Make an AI assistant speak aloud in conversation
  • Create multi-character voice dialogues with different speakers per segment
  • Generate and export audio files for archival or further editing
  • Manage custom pronunciation via the built-in user dictionary

よくある質問

1

What is the difference between `voicevox_speak` and `voicevox_speak_player`?

`voicevox_speak` plays audio on the server side (requires a local audio device). `voicevox_speak_player` renders an interactive UI audio player in the chat, playing audio on the client side (browser/app) and works even on headless servers.

2

Do I need ffplay to use MCP TTS VOICEVOX?

No. ffplay is optional and enables low-latency streaming playback. Without it, playback falls back to temporary file‑based playback using system players (PowerShell, afplay, aplay, etc.).

3

Can I run MCP TTS VOICEVOX with Docker?

Yes. Use Docker Compose to start both the VOICEVOX Engine and the MCP server (HTTP mode). Server‑side playback (`voicevox_speak`) is disabled by default because the container has no audio device; use `voicevox_speak_player` instead.

4

Which MCP clients are supported?

ChatGPT works via HTTP (requires `VOICEVOX_PLAYER_DOMAIN`). Claude Desktop works out of the box via stdio, or via HTTP using `mcp-remote`. The UI player requires a host that supports MCP Apps.

5

How do I configure environment variables?

Set variables like `VOICEVOX_URL`, `VOICEVOX_DEFAULT_SPEAKER`, `VOICEVOX_USE_STREAMING`, and UI player settings directly in the shell or environment. See the README's configuration section for a full list.

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