Install any skill in seconds. Free to start, no credit card required.
Get Started Free →nicepkg/video-hook-generator
Generate attention-grabbing hooks for the first 3 seconds of videos. The hook determines if viewers stay or scroll. Creates multiple hook variations for A/B testing.
Passed 22 of 22 test cases with the skill, and 18 of 22 without it.
and 4 more in the full report
4 fixed18 passed either way0 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 4 test cases the skill fixed. Same model, same prompt, with and without the skill.
I am creating a 15-minute YouTube video dissecting how a famous tech company went bankrupt. Build a hook proposal for this video. Should the opening hook be restricted to 1-3 seconds like TikTok, or does long-form YouTube allow a multi-second setup window?
| Checked | Without skill | With skill |
|---|---|---|
| Recommends an opening hook duration window between 5 and 15 seconds for long-form YouTube | Missed | Passed |
The instructions your model reads when the skill loads.
Create irresistible opening hooks that stop the scroll and maximize retention.
📊 RETENTION DATA:
- 20% of viewers leave in first 3 seconds
- 33% leave by 30 seconds
- A strong hook can improve retention by 50%+
The first 3 seconds = Life or death for your video
"The [thing] that [surprising claim]..."
"What [expert/celebrity] doesn't want you to know about..."
"I discovered something about [topic] that changes everything..."
"There's a reason why [common belief] is completely wrong..."
"[Common advice] is actually making things worse..."
"Stop [doing X] immediately. Here's why..."
"Everything you know about [topic] is wrong..."
"This is the [worst/best] advice I've ever heard..."
"This is how I [achieved result] in [timeframe]..."
"Before vs After: What [X days/weeks] of [thing] looks like..."
"I went from [bad state] to [good state] by doing this one thing..."
"Watch what happens when I [do thing]..."
test cases passed, vs 18 / 22 without
More skills from the same source and nearby in the registry, with their headline benchmark lift.