Design skills for Apple platform UI — Liquid Glass, animations, game feel (haptics, sound, celebrations), UI prototyping, UX writing, SF Symbols, and typography.
SkillScore91Maintained
Automatic
◆Design & UX Review pack
Last verified 8/17/2026
What it changes
Passed 21 of 23 test cases with the skill, and 18 of 23 without it.
Without skill78%
With skill91%
Checks it passed that the model alone missed
Specifies `NSGlassEffectView` for AppKit glass materials.
Recommends applying the `.glassEffect()` modifier in SwiftUI.
Recommends grouping the glass elements within a `GlassEffectContainer`.
3 fixed18 passed either way2 still failing0 broke
Pass-rate lift
+13 pp
Tokens
+28%
Agent turns
0%
Response time
-16%
Model gemini-3.6-flashMeasured 8/17/2026v121 of 23 cases passed with skill
Tokens, turns and time describe resource use, not a dollar price.
See it in action
One of 3 test cases the skill fixed. Same model, same prompt, with and without the skill.
1 of 3
Prompt
I am building a visual card component for an iOS user interface and want to give it native translucent depth effect similar to modern system materials in iOS 26. What SwiftUI view modifier should be applied to achieve this native glass material effect?
What was checked, without and with the skill
Checked
Without skill
With skill
Recommends applying the `.glassEffect()` modifier in SwiftUI.
Missed
Passed
case-02 · gemini-3.6-flash · 8/17/2026 · answers are capped and redacted
What's inside
The instructions your model reads when the skill loads.
SKILL.md79 linessingle file
Design Skills
Skills for implementing Apple's modern design systems across platforms.
When This Skill Activates
Use this skill when the user:
Asks about Liquid Glass design
Wants to implement modern Apple UI effects
Needs guidance on visual design patterns
Asks about materials, transparency, or blur effects
Wants to create fluid animations
Asks about spring, bounce, or snappy animations
Wants PhaseAnimator or KeyframeAnimator help
Needs view transitions, matched geometry, or hero transitions
Wants SF Symbol effects (bounce, pulse, wiggle, breathe)
Asks about animation completions or withAnimation
Says the app feels flat or wants juice/game feel (celebrations, haptics, sound effects)
Wants a feedback audit — do events reach the user on the right channels?
Needs UX structure help: navigation clarity, discoverability, information architecture
Is writing or reviewing interface copy, alerts, or feature names
Asks about SF Symbols usage/authoring, fonts, Dynamic Type, or type hierarchy
Available Skills
liquid-glass/
Comprehensive Liquid Glass implementation for iOS 26+, macOS 26+.