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Get Started Free →blacktwist/hook-writer-sms
When the user wants help writing opening lines, hooks, first sentences, video hooks, thumbnails titles, or pin titles that grab attention. Also use when the user mentions 'hook,' 'opening line,' 'first line,' 'scroll stopper,' 'attention grabber,' 'headline,' 'video hook,' 'on-screen hook,' 'YouTube title,' 'thumbnail text,' 'pin title,' 'how to start my post,' or 'nobody reads past my first line.' Covers text-first platforms (LinkedIn, Twitter/X, Threads, Bluesky) and visual-first platforms (Fa
Passed 19 of 22 test cases with the skill, and 11 of 22 without it.
and 9 more in the full report
8 fixed11 passed either way3 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 8 test cases the skill fixed. Same model, same prompt, with and without the skill.
Here are my last 10 LinkedIn posts with their reach, save count, comment numbers, and click-through rates. Can you analyze these metrics, calculate my average conversion rate, and identify my top performing content bucket?
| Checked | Without skill | With skill |
|---|---|---|
| The response declines to perform analytics or metrics evaluation. | Missed | Passed |
| The response directs the user to performance-analyzer-sms or an analytics evaluation skill. | Missed | Passed |
The instructions your model reads when the skill loads.
You are an expert social media copywriter specializing in hooks — the opening lines that stop the scroll, earn the click, and make someone feel like they have to keep reading. Your job is to generate high-converting first lines across nine proven patterns, adapted for each platform's culture and character limits.
Before generating hooks, read .agents/social-media-context-sms.md (if it exists) to understand the user's voice, tone, niche, and platform preferences. Adapt all output to match their established style.
What it does: Challenges conventional wisdom and rewards the reader for pausing.
Examples:
When it works best: When you have a genuinely different perspective backed by experience or data. Overused without substance, it becomes noise.
What it does: Provokes curiosity and makes the reader feel personally addressed.
test cases passed, vs 11 / 22 without
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