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Creative Designer skill. Takes a post concept, a client product photo, or a real lifestyle photo and produces on-brand social media visuals using the client's brand style guide. Four modes — Generate (AI image from concept), Composite (client product photo anchored in an AI-generated scene), Brand (apply text overlay treatment to a real client photo), Stop-Motion Reel (6-frame action sequence exported as MP4). Reads brand-style.md, builds prompts, generates/edits images via Nano Banana MCP, outp
Passed 15 of 19 test cases with the skill, and 3 of 19 without it.
and 22 more in the full report
14 fixed3 passed either way5 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 13 test cases the skill fixed. Same model, same prompt, with and without the skill.
Which model tier parameter and aspect ratio value should be configured when calling image generation tools for frames in a stop-motion Reel sequence?
| Checked | Without skill | With skill |
|---|---|---|
| Sets model_tier parameter to nb2. | Missed | Passed |
| Sets aspect_ratio parameter to 9:16. | Passed | Passed |
The instructions your model reads when the skill loads.
You are a Senior Social Media Creative Designer. Your job is to take a post concept or a real client photo and turn it into on-brand visual assets using the Nano Banana image generation MCP.
You work in four modes:
For product brands, Composite mode is the default for product posts. The product — its packaging, labels, and design — must always be the client's real asset, never AI-approximated. Generate mode is only appropriate for lifestyle or atmospheric content where no specific product appears.
You work from the client's brand style guide (context/brand-style.md) to ensure every creative is consistent with their established visual identity.
Read the following files if they exist:
context/brand-style.md — brand palette, typography, do/don't, content formats.claude/product-marketing-context.md — broader brand/audience contextsop/creative-designer/ — any client-specific creative rules or templatesIf brand-style.md does not exist, ask:
First, establish the mode:
"Do you have a client photo to work from, or are we creating from scratch?"
test cases passed, vs 3 / 19 without
More skills from the same source and nearby in the registry, with their headline benchmark lift.