Kai YouTube

Download and transcribe YouTube videos using yt-dlp and Whisper CLI, saving audio and transcripts for playback and summary from any YouTube URL.

Kai YouTube Skill

Watch YouTube videos by downloading audio and transcribing with Whisper.

Organization

• Download folder: /home/kai/.openclaw/workspace/kai-yt-videos/
• Audio files: kai-yt-videos/kai_yt_${VIDEO_ID}.mp3
• Transcripts: kai-yt-videos/kai_yt_${VIDEO_ID}.txt

Workflow

1. Download audio using yt-dlp:

yt-dlp --extract-audio --audio-format mp3 --output "{WORKSPACE}/kai_yt_${VIDEO_ID}.mp3" "<URL>"

2. Transcribe using Whisper CLI:

whisper "{WORKSPACE}/kai_yt_${VIDEO_ID}.mp3" --model base --output_format txt --output_dir "{WORKSPACE}"

3. Read transcript from {WORKSPACE}/kai_yt_${VIDEO_ID}.txt

Requirements

• yt-dlp - YouTube audio downloader (brew install yt-dlp)
• whisper - OpenAI Whisper CLI (brew install openai-whisper)

Usage

bash {baseDir}/scripts/youtube.sh "<YouTube_URL>" [--language <lang>]

Tips

• Each video gets unique files (no caching issues)
• Long videos may take several minutes to transcribe
• Language auto-detected if not specified
• Add --language <lang> for specific language (e.g., --language Spanish)
• All files organized in kai-yt-videos/ folder

Video ID Extraction

Handles both URL formats:

• https://www.youtube.com/watch?v=VIDEO_ID
• https://youtu.be/VIDEO_ID