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iOS Mobile Design · wshobson | DecimalAI

frontendby wshobson

iOS Mobile Design

wshobson/mobile-ios-design

Source wshobson/agents ↗License MIT

Master iOS Human Interface Guidelines and SwiftUI patterns for building native iOS apps.

SkillScore100Maintained

Automatic

Frontend / UI pack

Last verified 8/9/2026

What it changes

Passed 22 of 22 test cases with the skill, and 20 of 22 without it.

Without skill91%

With skill100%

Checks it passed that the model alone missed

The code uses foregroundStyle for secondary text styling
The view uses foregroundStyle instead of deprecated foregroundColor
The top-level structure uses TabView with modern Tab syntax or TabView selection binding

and 1 more in the full report

2 fixed20 passed either way0 still failing0 broke

Pass-rate lift: +9 pp
Tokens: +66%
Agent turns: 0%
Response time: +9%

Model gemini-3.6-flashMeasured 8/9/2026v122 of 22 cases passed with skill

Tokens, turns and time describe resource use, not a dollar price.

Use this skill

Save it into your project's skills folder. Claude Code picks it up in its next session.

curl -fsSL --create-dirs -o .claude/skills/wshobson-mobile-ios-design/SKILL.md https://app.decimal.ai/s/wshobson-mobile-ios-design/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add wshobson-mobile-ios-design, and start Claude Code with claude --plugin-dir "$(git rev-parse --show-toplevel)/.agents"

1 · One-time — install the CLI (docs ↗)

pip install "decimalai>=0.15"

2 · Get the skill — writes .agents/skills/wshobson-mobile-ios-design/ and pins it in .decimal/skills.lock

decimalai skills add wshobson-mobile-ios-design

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/wshobson-mobile-ios-design/SKILL.md https://app.decimal.ai/s/wshobson-mobile-ios-design/SKILL.md

Raw file: /s/wshobson-mobile-ios-design/SKILL.md ↗ · machine-readable summary at /s/wshobson-mobile-ios-design.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 2 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 2

Prompt

I'm building a media gallery view for my iPhone application. Could you write a SwiftUI view implementation that displays a responsive grid of card components? Each card should include a leading icon, a main heading, a short subtitle, and a trailing indicator, properly formatted to adapt to dark mode and user font size preferences.

What was checked, without and with the skill
Checked	Without skill	With skill
The code uses LazyVGrid with GridItem adaptive layout for the responsive gallery grid	Passed	Passed
The view uses foregroundStyle instead of deprecated foregroundColor	Missed	Passed
The view uses semantic typography modifiers like font(.headline) and font(.subheadline) for Dynamic Type support	Passed	Passed

case-01 · gemini-3.6-flash · 8/9/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md254 lines4 files

iOS Mobile Design

Master iOS Human Interface Guidelines (HIG) and SwiftUI patterns to build polished, native iOS applications that feel at home on Apple platforms.

When to Use This Skill

Designing iOS app interfaces following Apple HIG
Building SwiftUI views and layouts
Implementing iOS navigation patterns (NavigationStack, TabView, sheets)
Creating adaptive layouts for iPhone and iPad
Using SF Symbols and system typography
Building accessible iOS interfaces
Implementing iOS-specific gestures and interactions
Designing for Dynamic Type and Dark Mode

Core Concepts

1. Human Interface Guidelines Principles

Clarity: Content is legible, icons are precise, adornments are subtle Deference: UI helps users understand content without competing with it Depth: Visual layers and motion convey hierarchy and enable navigation

Platform Considerations:

iOS: Touch-first, compact displays, portrait orientation
iPadOS: Larger canvas, multitasking, pointer support
visionOS: Spatial computing, eye/hand input

2. SwiftUI Layout System

Stack-Based Layouts:

// Vertical stack with alignment
VStack(alignment: .leading, spacing: 12) {
    Text("Title")
        .font(.headline)
    Text("Subtitle")
        .font(.subheadline)

Track record

Benchmark

22 / 22

test cases passed, vs 20 / 22 without

Adoption

Users: 0
Times used: 0

Safety and source details

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v4 — 8/3/2026

View 15 scanner checks

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

wshobson / agents

plugins/ui-design/skills/mobile-ios-design/SKILL.md

View on GitHub ↗

License MITImported 8/3/2026Version v1Bundled 3 files

Other skills for the same job

Published skills whose descriptions closely match this one, with their headline benchmark lift.

More skills from the same source and nearby in the registry, with their headline benchmark lift.

Ready to supercharge your AI agents?

See it in action

What's inside

iOS Mobile Design

When to Use This Skill

Core Concepts

1. Human Interface Guidelines Principles

2. SwiftUI Layout System

Track record

Benchmark

Adoption

SkillSafety

Source

Other skills for the same job

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