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mcp-tts

@blacktop

リポジトリ

mcp-tts について

MCP Server for Text to Speech

#golang#text-to-speech#mcp#tts#say#google-tts#elevenlabs#openai-tts#mcp-server

基本情報

カテゴリ

その他

ライセンス

MIT

ランタイム

go

トランスポート

stdio

公開者

blacktop

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": {
      "command": "npx",
      "args": [
        "skills",
        "add",
        "https://github.com/blacktop/mcp-tts",
        "--skill",
        "speak"
      ]
    }
  }
}

ツール

ツールは検出されませんでした

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?

mcp-tts is an MCP (Model Context Protocol) server that adds Text-to-Speech capabilities to AI assistants such as Claude Desktop and Cursor IDE. It provides four TTS tools – say_tts (macOS built-in), elevenlabs_tts, google_tts, and openai_tts – each powered by different speech synthesis engines.

How to use mcp-tts?

Install with go install github.com/blacktop/mcp-tts@latest. Configure the server in your MCP client’s settings (e.g., claude_desktop_config.json) with the required API keys for cloud-based tools. Once configured, the TTS tools can be called via the MCP protocol to speak text aloud through your computer’s speakers.

Key features of mcp-tts

  • Four TTS backends: macOS say, ElevenLabs, Google Gemini, OpenAI
  • Sequential speech mode prevents overlapping audio by default
  • Multi-instance protection with a system-wide file lock
  • Optional concurrent TTS mode for overlapping speech
  • Suppress “Speaking:” output to keep LLM responses clean
  • Save audio to disk (AIFF, MP3, WAV) with optional no-playback mode
  • Speed control (0.25x–4.0x) and custom voice instructions for OpenAI

Use cases of mcp-tts

  • Add spoken responses to AI assistants like Claude Desktop
  • Coordinate speech in multi‑agent environments to avoid cacophony
  • Generate audio files for offline playback or archiving
  • Assign distinct voices per project for at‑a‑glance identification

FAQ from mcp-tts

What TTS tools does mcp-tts provide?

It provides four tools: say_tts (macOS built‑in), elevenlabs_tts, google_tts, and openai_tts. Each uses a different speech engine.

What API keys are required?

  • ELEVENLABS_API_KEY for ElevenLabs
  • GOOGLE_AI_API_KEY or GEMINI_API_KEY for Google TTS
  • OPENAI_API_KEY for OpenAI TTS
    The say_tts tool works on macOS without any API key.

Can multiple agents speak at the same time?

By default, only one TTS request plays at a time – subsequent requests queue. Set MCP_TTS_ALLOW_CONCURRENT=true to allow overlapping speech.

How can I save audio to disk?

Set MCP_TTS_OUTPUT_DIR to a directory path. Optionally set MCP_TTS_NO_PLAY=true to skip playback and only save the file.

Does mcp-tts work on Windows or Linux?

The say_tts tool is macOS‑only. The other three tools work on any platform that has the required API keys and a working audio output.

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