YouTube Transcript & Summary

Fetch YouTube video transcripts, subtitles, and generate summaries. Use when the user wants to extract text from a YouTube video, download subtitles (similar to downsub.com), get timestamped transcripts, or get AI-generated summaries of video content. Supports raw transcript extraction, timestamped subtitles, and structured key point summaries. Ideal for research, academic study, lecture note-taking, content analysis, or processing long videos without watching them.

YTB Transcript

Overview

This skill fetches transcripts and subtitles from YouTube videos and can generate intelligent summaries.

Use this skill for:

• Extracting text content from YouTube videos
• Downloading subtitles (downsub.com style)
• Getting timestamped transcripts
• Generating summaries of video content

How to Use

Provide a YouTube URL or video ID. The skill will:

1. Extract the video ID from the URL
2. Attempt to fetch the transcript using available services
3. If requested, generate a summary of the content
4. Return clean, usable output

Examples

Get transcript:

• "Get the transcript from https://youtu.be/xxxxxx"
• "Extract subtitles from this video: [url]"

Get summary:

• "Summarize this YouTube video: [url]"
• "What are the key points from this lecture?"

Combined request:

• "Get the transcript and summarize this video: [url]"

Available Functions

Transcript Fetching

• Returns full transcript text
• Can include timestamps when available
• Supports multiple languages (prioritizes Chinese/English)

Summarization

• Generates concise or detailed summaries
• Can focus on key arguments, technical content, or main ideas
• Adjustable summary length

Notes

• Works best with videos that have subtitles (auto-generated or uploaded)
• For videos without subtitles, it may fall back to metadata-based summarization
• Long videos may take longer to process
• Output is clean markdown/text suitable for research or note-taking

Resources

See references/methods.md for implementation details and supported services. See scripts/fetch.py for the core fetching logic.