Download videos and audio from 1500+ websites including YouTube, Bilibili, TikTok, Twitter/X, Instagram, Vimeo, and more using yt-dlp.
SkillScore95Maintained
Automatic
◆Coding pack
Last verified 8/23/2026
What it changes
Passed 21 of 22 test cases with the skill, and 16 of 22 without it.
Without skill73%
With skill95%
Checks it passed that the model alone missed
Applies `%(title).100B.%(ext)s` in the output template.
Uses `--sub-format srt` to define subtitle output formatting.
Selects the best audio stream directly using format selection.
and 3 more in the full report
5 fixed16 passed either way1 still failing0 broke
Pass-rate lift
+23 pp
Tokens
+90%
Agent turns
0%
Response time
-40%
Model gemini-3.6-flashMeasured 8/23/2026v121 of 22 cases passed with skill
Tokens, turns and time describe resource use, not a dollar price.
See it in action
One of 5 test cases the skill fixed. Same model, same prompt, with and without the skill.
1 of 5
Prompt
Please generate the shell command to download a YouTube clip capped at 720p resolution. I need it to include automatic English subtitles converted into SRT format, and name the saved file with the upload date appearing before the clip title.
What was checked, without and with the skill
Checked
Without skill
With skill
Selects format streams with height constrained to 720p.
Passed
Passed
Orders the upload date variable before the title variable in the output template.
Passed
Passed
Uses `--sub-format srt` to define subtitle output formatting.
Missed
Passed
case-01 · gemini-3.6-flash · 8/23/2026 · answers are capped and redacted
What's inside
The instructions your model reads when the skill loads.
SKILL.md217 lines2 filesincludes scripts
Media Downloader
Download video/audio from 1500+ websites using yt-dlp. Supports format selection, subtitles, playlists, and custom output naming.
Quick Start
# Basic download (best quality)
yt-dlp "URL"
# Specific resolution
yt-dlp -f "bestvideo[height<=1080]+bestaudio/best[height<=1080]" "URL"
# With subtitles
yt-dlp --write-subs --sub-langs "en,zh" "URL"
# Audio only
yt-dlp -f "bestaudio" "URL"