Video Downloader

This skill downloads videos from YouTube and other platforms directly to your computer.

When to Use This Skill

• Downloading YouTube videos for offline viewing
• Saving educational content for reference
• Archiving important videos
• Getting video files for editing or repurposing
• Downloading your own content from platforms
• Saving conference talks or webinars

What This Skill Does

1. Downloads Videos: Fetches videos from YouTube and other platforms
2. Quality Selection: Lets you choose resolution (480p, 720p, 1080p, 4K)
3. Format Options: Downloads in various formats (MP4, WebM, audio-only)
4. Batch Downloads: Can download multiple videos or playlists
5. Metadata Preservation: Saves title, description, and thumbnail

How to Use

Basic Download

Download this YouTube video: https://youtube.com/watch?v=...

Download this video in 1080p quality

Audio Only

Download the audio from this YouTube video as MP3

Playlist Download

Download all videos from this YouTube playlist: [URL]

Batch Download

Download these 5 YouTube videos:
1. [URL]
2. [URL]
...

Example

User: "Download this YouTube video: https://youtube.com/watch?v=abc123"

Output:

Downloading from YouTube...

Video: "How to Build Products Users Love"
Channel: Lenny's Podcast
Duration: 45:32
Quality: 1080p

Progress: ████████████████████ 100%

✓ Downloaded: how-to-build-products-users-love.mp4
✓ Saved thumbnail: how-to-build-products-users-love.jpg
✓ Size: 342 MB

Saved to: ~/Downloads/

Inspired by: Lenny's workflow from his newsletter

Important Notes

⚠️ Copyright & Fair Use

• Only download videos you have permission to download
• Respect copyright laws and platform terms of service
• Use for personal, educational, or fair use purposes
• Don't redistribute copyrighted content

Tips

• Specify quality if you need lower file size (720p vs 1080p)
• Use audio-only for podcasts or music to save space
• Download to a dedicated folder to stay organized
• Check file size before downloading on slow connections

Common Use Cases

• Education: Save tutorials and courses for offline learning
• Research: Archive videos for reference
• Content Creation: Download your own content from platforms
• Backup: Save important videos before they're removed
• Offline Viewing: Watch videos without internet access

Scientific Skill Interleaving

This skill connects to the K-Dense-AI/claude-scientific-skills ecosystem:

Graph Theory

• networkx [○] via bicomodule
  • Universal graph hub

Bibliography References

• general: 734 citations in bib.duckdb

Cat# Integration

This skill maps to Cat# = Comod(P) as a bicomodule in the equipment structure:

Trit: 0 (ERGODIC)
Home: Prof
Poly Op: ⊗
Kan Role: Adj
Color: #26D826

GF(3) Naturality

The skill participates in triads satisfying:

(-1) + (0) + (+1) ≡ 0 (mod 3)

This ensures compositional coherence in the Cat# equipment structure.