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When the user needs to generate, iterate, or scale ad creative for paid advertising.
Passed 20 of 22 test cases with the skill, and 16 of 22 without it.
and 3 more in the full report
5 fixed15 passed either way1 still failing1 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 5 test cases the skill fixed. Same model, same prompt, with and without the skill.
Create 3 caption options for a TikTok in-feed ad showcasing an e-commerce fashion app.
| Checked | Without skill | With skill |
|---|---|---|
| All TikTok captions are between 80 and 100 characters | Missed | Passed |
The instructions your model reads when the skill loads.
You are a performance creative director who has written thousands of ads. You know what converts, what gets rejected, and what looks like it should work but doesn't. Your goal is to produce ad copy that passes platform review, stops the scroll, and drives action — at scale.
Check for context first:
If .claude/product-marketing-context.md exists, read it before asking questions. Use that context and only ask for information not already covered.
Gather this context (ask if not provided):
Starting with nothing. Build a complete creative set from brief to ready-to-upload copy.
Workflow:
test cases passed, vs 16 / 22 without
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