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YouTube Caption MCP Server

@iamyosuke

リポジトリ

基本情報

カテゴリ

メディアとデザイン

ライセンス

MIT

トランスポート

stdio

作者

iamyosuke

YouTube Caption MCP Server について

An MCP server for cursor to retrieve YouTube video captions without requiring an API key.

#youtube#captions#mcp#subtitles#api

YouTube Caption MCP Server 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": {
    "youtube-caption-mcp": {
      "command": "npx",
      "args": [
        "@iamyosuke/youtube-caption-mcp"
      ],
      "env": {
        "LOG_LEVEL": "debug"
      }
    }
  }
}

YouTube Caption MCP Server 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。

上のボタンで一時的なサンドボックスでこのサーバーを実行し、ツール一覧を取得できます。

概要

What is YouTube Caption MCP Server?

An MCP server for Cursor that retrieves YouTube video captions without requiring an API key. It uses the youtube-js library to access YouTube's internal API and supports multiple languages and caption formats.

How to use YouTube Caption MCP Server?

Install globally from npm with npm install -g @iamyosuke/youtube-caption-mcp or build from source. Configure in Cursor's .cursor/mcp.json by adding the server entry with command: "npx" and args: ["-y", "youtube-caption-mcp", "--stdio"]. Use the four available tools: get_video_info, get_captions_list, download_captions, and search_videos_with_captions.

Key features of YouTube Caption MCP Server

  • No API key required for caption access
  • Multilingual support with automatic language detection
  • Caption output in Raw, SRT, and VTT formats
  • In-memory caching for improved performance
  • Seamless integration via MCP protocol with Cursor
  • Search for videos with captions using queries

Use cases of YouTube Caption MCP Server

  • Retrieve basic information about a YouTube video
  • List all available caption languages for a video
  • Download captions in a specific language and format
  • Search for YouTube videos that have captions in a certain language

よくある質問

1

What is required to run the server?

Node.js and npm are required. Install the package globally or build from source.

2

Does it require a YouTube API key?

No, the server uses YouTube's internal API via the youtube-js library and does not require an API key.

3

How do I configure it for Cursor?

Add the server to `.cursor/mcp.json` with `command: "npx"` and `args: ["-y", "youtube-caption-mcp", "--stdio"]`. Environment variables like `CACHE_ENABLED` and `LOG_LEVEL` can be set in the `env` object.

4

What YouTube URL formats are supported?

Supported formats include `https://www.youtube.com/watch?v=VIDEO_ID`, `https://youtu.be/VIDEO_ID`, `https://www.youtube.com/embed/VIDEO_ID`, and the raw 11-character video ID.

5

What should I be cautious about?

Use the tool in accordance with YouTube's Terms of Service, handle copyrighted content appropriately, and be mindful of rate limits when sending many requests. The project was vibecoded and not thoroughly tested—use in production at your own risk.

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