YouTube Watcher

Fetch transcripts from YouTube videos to enable summarization, QA, and content extraction.

Usage

Get Transcript

Retrieve the text transcript of a video.

python3 {baseDir}/scripts/get_transcript.py "https://www.youtube.com/watch?v=VIDEO_ID"

Examples

Summarize a video:

1. Get the transcript:

   python3 {baseDir}/scripts/get_transcript.py "https://www.youtube.com/watch?v=dQw4w9WgXcQ"

2. Read the output and summarize it for the user.

Find specific information:

1. Get the transcript.
2. Search the text for keywords or answer the user's question based on the content.

Notes

• Requires yt-dlp to be installed and available in the PATH.
• Works with videos that have closed captions (CC) or auto-generated subtitles.

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• If a video has no subtitles, the script will fail with an error message.

整体质量良好，核心功能实现可靠稳定。优点是使用成熟工具yt-dlp作为后端，错误处理完善，文档清晰易懂，安装方便。不足之处是只能获取英文字幕，不够灵活；缺少自动重试等容错机制。对于需要获取YouTube视频文字内容的场景，这是一个简单有效的解决方案。