custom-youtube-summarize

name	custom-youtube-summarize
description	Extract transcript from a YouTube video using Python and summarize it.

Description

Extracts subtitles from YouTube videos and generates summaries. Use when users provide YouTube URLs with requests like "summarize this video" or "explain this content".

Setup

1. Create script at {baseDir}/transcript_extract.py with provided code
2. All libraries are already installed in the skills folder.
3. Therefore, no additional action is required to run Python files.

Usage

When receiving a YouTube URL:

1. Executes: python3 {baseDir}/transcript_extract.py "<YOUTUBE_URL>"
2. Captures output between [TRANSCRIPT-START] and [TRANSCRIPT-END]
3. Uses LLM to generate summary from raw transcript text

Configuration

script_path: "{baseDir}/transcript_extract.py"
supported_languages: ["ko", "en"]

Example

Input:
https://youtu.be/dQw4w9WgXcQ (with "summarize this" context) https://youtu.be/M-S2ctyAeaY?si=PEYq7Uy8HA8bpUUv 이 영상 요약해줘 다음 영상 요약 https://youtu.be/M-S2cty Summarize https://youtube.com/watch?v=ch4EsgfHOJc 요약 https://youtube.com/watch?v=ch4EsgfHOJc https://youtube.com/watch?v=chgasgwHOJc 이거 내용 뭐야? https://youtube.com/watch?v=qsnuQI62sda Tell me the content of this video Tell me the content of this video https://youtube.com/watch?v=qsnuQI62sda

Output:

[TRANSCRIPT-START]
Never gonna give you up, never gonna let you down...
[TRANSCRIPT-END]

This video contains the iconic Rickroll meme track by Rick Astley. The lyrics revolve around themes of loyalty and commitment, featuring the artist's signature bassline and 80s production style. Despite its simple lyrics, it remains one of YouTube's most enduring viral pranks.

Notes

• Handles both manually created and auto-generated subtitles
• Falls back to English if Korean subtitles aren't available
• Returns error messages if no transcript exists or URL is invalid