YouTube Transcript API MCP Server

@minhleathvn

代码仓库

基本信息

分类

媒体与设计

传输方式

stdio

作者

minhleathvn

关于 YouTube Transcript API MCP Server

A MCP server helps to transcript a youtube video

YouTube Transcript API MCP Server 配置

使用下面的配置,将此服务器添加到你的 MCP 客户端。

{
  "mcpServers": {
    "youtube_transcript": {
      "command": "python",
      "args": [
        "apps/flask_server.py"
      ]
    }
  }
}

YouTube Transcript API MCP Server 工具

工具列表暂未提供

当前收录暂时没有可展示的工具列表，不代表服务没有工具。请查阅项目文档了解支持的能力。

工具是从 README 中自动提取的。维护者可以在 ## Tools 标题下列出工具,即可填充这部分内容。

概览

What is YouTube Transcript API?

YouTube Transcript API is a Python service that provides APIs to fetch and transcribe YouTube video content. It supports both a REST API (Flask) and an MCP server implementation, making it suitable for developers who need to extract video transcripts programmatically.

How to use YouTube Transcript API?

Install dependencies with pip install -r requirements.txt, then start the MCP server with python apps/mcp_server.py. Use the exposed MCP tools such as get_transcript(video_id, language) and extract_transcript(video_id, language) to retrieve transcripts. Alternatively, start the Flask server with python apps/flask_server.py and call its REST endpoints.

Key features of YouTube Transcript API

Fetch transcripts in multiple languages (English, Vietnamese)
Auto-detect and use available transcripts
Fallback to audio transcription via Whisper when captions are missing
Support for both REST API and MCP server interfaces
Automatic language detection with langdetect
Temporary file cleanup after audio processing

Use cases of YouTube Transcript API

Get video transcripts for content analysis or subtitle generation
Automatically fall back to Whisper‑based transcription when no captions exist
Search for YouTube videos and extract their transcripts in one workflow
Integrate transcript extraction into MCP‑compatible tools or Flask web apps

常见问题

Which languages are supported for transcripts?

English (en) and Vietnamese (vi) are explicitly supported, and the system can auto‑detect other languages using the langdetect library.

How can I get a transcript if no captions are available?

The API falls back to downloading the audio and transcribing it using Whisper (via the `extract_transcript` tool or endpoint).

What are the main dependencies?

Key dependencies include `youtube-transcript-api`, `pytube`, `whisper`, `torch`, `langdetect`, `flask` (for the REST API), and `mcp` (for the MCP server).

How do I run the MCP server versus the REST API?

Run `python apps/mcp_server.py` for the MCP server, or `python apps/flask_server.py` for the Flask‑based REST API. Both are located under the `apps/` directory.

Are there health check or video info endpoints?

Yes, the Flask server exposes `/health` and `/video/info?video_id=<id>` endpoints. The MCP server provides `search_youtube_video(query)` to find videos.

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