💡 Summary
An AI agent skill that automatically detects and downloads videos or extracts audio from various platforms using yt-dlp.
🎯 Target Audience
🤖 AI Roast: “It's a glorified wrapper for yt-dlp that adds auto-detection, but the real skill is navigating the legal gray area of downloading content.”
The skill executes shell commands via yt-dlp to download arbitrary files from the internet, posing risks from malicious URLs or compromised dependencies. Mitigation: Run the agent in a sandboxed environment with restricted network and filesystem access, and regularly audit the yt-dlp dependency supply chain.
name: yt-dlp description: Download videos and extract audio from various platforms using yt-dlp. Use when user provides a video URL, asks to download a video, or when conversation contains video links from YouTube, Twitter/X, Vimeo, TikTok, Instagram, etc.
yt-dlp Video Downloader Skill
This skill provides tools for downloading videos and extracting audio from various platforms using yt-dlp.
Features
- Download videos from multiple platforms (YouTube, Twitter/X, Vimeo, TikTok, Instagram, Facebook, etc.)
- Extract audio from videos
- Auto-detect video URLs in conversations
- Support for different quality settings and formats
Usage Patterns
1. Command-based Download
When user explicitly asks to download a video:
User: Download this video https://youtube.com/watch?v=...
Action: Extract URL and call download script
2. Auto-detection in Conversations
When conversation contains video URLs:
User: Check out this video https://twitter.com/... and let me know what you think
Action: Detect video URL, ask user if they want to download it
3. Audio Extraction
When user wants to extract audio only:
User: Extract the audio from https://youtu.be/...
Action: Use audio extraction script
Available Scripts
Note: Scripts are located in the scripts/ directory
download_video.py
Main video downloader with quality and format options.
Usage:
# Download video scripts/download_video.py <url> -o <output_dir> # Download with specific quality scripts/download_video.py <url> --quality 720p scripts/download_video.py <url> --quality audio # For audio only # Custom format selector scripts/download_video.py <url> --format "bestvideo[height<=1080]+bestaudio/best" # Extract info only scripts/download_video.py <url> --info-only
Quality options: best, 1080p, 720p, 480p, audio
extract_audio.py
Extract audio from videos in various formats.
Usage:
# Extract as MP3 (default) /scripts/extract_audio.py <url> -o <output_dir> # Extract as M4A /scripts/extract_audio.py <url> --format m4a # Custom quality /scripts/extract_audio.py <url> --quality 320
Formats: mp3, m4a, opus, flac, wav
extract_urls.py
Extract video URLs from text or files.
Usage:
# Extract from text argument /scripts/extract_urls.py "Check https://youtube.com/watch?v=..." # Extract from file /scripts/extract_urls.py <file_path> # Read from stdin cat file.txt | /scripts/extract_urls.py
Video Platform Support
The skill recognizes URLs from:
- YouTube (youtube.com, youtu.be)
- Twitter/X (twitter.com, x.com)
- Vimeo (vimeo.com)
- TikTok (tiktok.com)
- Instagram (instagram.com)
- Facebook (facebook.com, fb.watch)
- Twitch (twitch.tv, clips.twitch.tv)
- Dailymotion (dailymotion.com)
- Reddit (reddit.com)
- Streamable (streamable.com)
- And many more supported by yt-dlp
Workflow
When User Provides Video URL
- Extract URL from user's input using
extract_urls.py - Confirm with user what action to take:
- Download video
- Extract audio
- Show video info
- Execute appropriate script based on user's choice
- Notify user of success/failure and file location
When Auto-detecting URLs
- Scan conversation text with
extract_urls.py(can process stdin) - If video URLs found, ask user: "I found video URLs in this conversation. Would you like me to download them?"
- If yes, proceed with download workflow
- If no, continue with conversation
Handling Multiple URLs
- For single URL: Direct download
- For multiple URLs: Ask user if they want to download all or select specific ones
- Provide option to download as playlist if URLs are from the same source
Quality and Format Selection
When user doesn't specify preferences:
- Default to best available quality
- For audio: Default to MP3 at 192kbps
When options needed:
# Ask user for quality preference if not specified # Options: best (default), 1080p, 720p, 480p, audio # Ask for format if extracting audio # Options: mp3 (default), m4a, opus, flac, wav
Error Handling
Common issues and solutions:
-
yt-dlp not installed:
- Check with
yt-dlp --version - Install with
pip install yt-dlporbrew install yt-dlp
- Check with
-
ffmpeg not installed (required for format conversion):
- Install with
brew install ffmpeg(macOS) - Or
apt install ffmpeg(Linux)
- Install with
-
Video not available:
- Check if URL is accessible
- Some videos may require authentication
- Age-restricted content may need cookies
-
Network errors:
- Retry download
- Check internet connection
Dependencies
yt-dlp: Main video downloaderffmpeg: Audio/video processing (required for format conversion)python3with standard library
All scripts are self-contained and use only built-in Python modules.
Pros
- High utility with broad platform support
- Clear workflow for auto-detection and user confirmation
- Flexible quality and format options for downloads
Cons
- Legal and copyright risks are not addressed
- Heavily dependent on external yt-dlp tool and its maintenance
- No built-in dependency management or installation script
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Disclaimer: This content is sourced from GitHub open source projects for display and rating purposes only.
Copyright belongs to the original author lwmxiaobei.
