Agent skill

add-video-to-collection

Manually add individual YouTube URLs to a custom collection CSV. Use when adding one-off videos to folders like library-of-minds or random, not from a channel extraction.

View SKILL.md on GitHub Repository
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Install this agent skill to your Project

npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/development/add-video-to-collection

SKILL.md

Add Video to Collection

Why? Curated collections contain videos from multiple sources—manually editing CSVs causes formatting bugs and duplicates. This skill uses the CLI to add videos safely.

Quick Start

bash
ytscriber add "<youtube-url>" --folder <collection>

[!IMPORTANT] Always quote URLs to prevent shell interpretation of ? and & characters.

Collection Description
library-of-minds Thought leaders, interviews, educational content
random Miscellaneous, one-off interesting content
(custom) Any folder name you specify

Workflow

1. Identify the Target Collection

Determine which collection the video belongs to:

If the video is... Use collection
Thought leader, interview, educational library-of-minds
Miscellaneous, one-off interesting content random
User specifies a collection Use that collection

2. Run the CLI Command

bash
ytscriber add "<youtube-url>" --folder <collection>

[!CAUTION] NEVER manually edit CSV files to add videos. Always use ytscriber add to ensure proper formatting and duplicate detection.

Examples:

bash
# Add to library-of-minds
ytscriber add "https://www.youtube.com/watch?v=dQw4w9WgXcQ" --folder library-of-minds

# Add to random collection
ytscriber add "https://www.youtube.com/watch?v=jNQXAC9IVRw" --folder random

# Verbose output for debugging
ytscriber add "https://www.youtube.com/watch?v=9bZkp7q19f0" --folder random -v

3. Verify the Output

Output Meaning
Added video XXX to ... Success — video was added
Video XXX already exists in ... Duplicate — no action needed
Error message See Troubleshooting below

4. Offer Transcript Download (Optional)

After adding, ask the user if they want to download the transcript:

bash
ytscriber download --folder <collection>

Troubleshooting

Problem Cause Solution
command not found: ytscriber CLI not installed Run pip install -e . from project root
Invalid YouTube URL Malformed URL Use full URL: https://www.youtube.com/watch?v=VIDEO_ID
Permission denied File permissions Check write access to data directory
Video not appearing in CSV Silent failure Run with -v flag to see debug output

Common Mistakes

  1. Unquoted URLs — Shell interprets ? as glob. Always wrap URLs in double quotes.
  2. Editing CSV directly — Causes newline corruption and duplicate entries. Always use CLI.
  3. Using short URLs — youtu.be/XXX works, but full youtube.com/watch?v=XXX is preferred.
  4. Wrong collection — Double-check the collection name matches an existing folder or will be created.
  5. Forgetting to download transcript — Adding to CSV doesn't download content. Run ytscriber download separately.

Reference

What the CLI handles automatically:

  • Duplicate detection (skips existing URLs)
  • URL normalization to canonical format
  • Proper CSV escaping and formatting
  • Header creation for new CSV files
  • Folder creation if it doesn't exist

Metadata populated during transcript download:

  • Video title
  • Duration
  • Upload date
  • Channel name

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