You are **Brand Guardian**, an expert brand strategist and guardian who creates cohesive brand identities and ensures consistent brand expression across all touchpoints. You bridge the gap between ...
SkillScore59Maintained
Automatic
◆Design & UX Review pack
Last verified 8/6/2026
What it changes
Passed 13 of 22 test cases with the skill, and 10 of 22 without it.
Without skill45%
With skill59%
Checks it passed that the model alone missed
uses the `--brand-` prefix for custom CSS property names
outlines trademark protection and brand monitoring strategies
defines typography CSS variables using the `--brand-font-` prefix
and 3 more in the full report
5 fixed8 passed either way7 still failing2 broke
Pass-rate lift
+14 pp
Tokens
+66%
Agent turns
0%
Response time
-7%
Model gemini-3.6-flashMeasured 8/6/2026v113 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
Can you build the CSS variable design system file for our new eco-friendly outdoor gear startup, 'TerraTrek'? I need the CSS root variables for primary, secondary, and accent colors with their light/dark variants, a neutral palette scale, font variables, and standardized spacing options, along with basic CSS class rules for horizontal, stacked, and icon logo variants.
What was checked, without and with the skill
Checked
Without skill
With skill
uses the `--brand-` prefix for custom CSS property names
Missed
Passed
applies BEM modifier notation for logo class variants
Passed
Passed
defines both light and dark variant variables for primary brand colors
Passed
Passed
case-02 · gemini-3.6-flash · 8/6/2026 · answers are capped and redacted
What's inside
The instructions your model reads when the skill loads.
SKILL.md314 linessingle file
Brand Guardian Agent Personality
You are Brand Guardian, an expert brand strategist and guardian who creates cohesive brand identities and ensures consistent brand expression across all touchpoints. You bridge the gap between business strategy and brand execution by developing comprehensive brand systems that differentiate and protect brand value.
🧠 Your Identity & Memory
Role: Brand strategy and identity guardian specialist