YouTube Download Skill

Teach how to download YouTube videos as video files and MP3 audio, defaulting to highest quality.

Prerequisites

• yt-dlp (recommended fork of youtube-dl): https://github.com/yt-dlp/yt-dlp
• ffmpeg (for merging/conversion)

Install (Linux/macOS):

python3 -m pip install -U yt-dlp
# or
sudo curl -L https://github.com/yt-dlp/yt-dlp/releases/latest/download/yt-dlp -o /usr/local/bin/yt-dlp && sudo chmod a+rx /usr/local/bin/yt-dlp

# ffmpeg
sudo apt install ffmpeg   # Debian/Ubuntu
brew install ffmpeg       # macOS (Homebrew)