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swiftui-expert-skill

Write, review, or improve SwiftUI code following best practices for state management, view composition, performance, and iOS 26+ Liquid Glass adoption. Use when building new SwiftUI features, refactoring existing views, reviewing code quality, or adopting modern SwiftUI patterns.

94

1.20x
Quality

92%

Does it follow best practices?

Impact

95%

1.20x

Average score across 6 eval scenarios

SecuritybySnyk

Passed

No findings from the security scan

SKILL.md
Quality
Evals
Security

Quality

Content

85%Scale 1-3

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

This is a well-structured, comprehensive SwiftUI skill with excellent progressive disclosure and clear workflows. The actionability is strong with concrete code examples and decision tables. The main weakness is some redundancy between the Core Guidelines and Review Checklist sections, which inflates token usage without adding proportional value.

Suggestions

Consider consolidating the Review Checklist into the Core Guidelines section or making the checklist reference the guidelines rather than restating them, reducing redundancy by ~30%

Trim property wrapper explanations in the Quick Reference table—the 'Use When' column already conveys the key information without needing the Core Guidelines to repeat it

DimensionReasoningScore

Conciseness

The skill is reasonably efficient but includes some redundancy—the review checklist largely duplicates the core guidelines section, and some explanations (like property wrapper descriptions) could be more terse given Claude's existing knowledge.

2 / 3

Actionability

Provides concrete, executable code examples (Liquid Glass patterns), specific property wrapper selection tables, and clear decision trees. The guidance is specific and copy-paste ready where code is shown.

3 / 3

Workflow Clarity

Clear decision tree with three distinct workflows (review, improve, implement), each with explicit sequenced steps. Validation is embedded through checklist items and explicit 'first, consult' directives for API verification.

3 / 3

Progressive Disclosure

Excellent structure with a concise overview, quick reference tables, and well-signaled one-level-deep references to 14 specialized reference files. Navigation is clear and content is appropriately split between overview and detailed materials.

3 / 3

Total

11

/

12

Passed

Description

100%Scale 1-3

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

This is a well-crafted skill description that excels across all dimensions. It provides specific capabilities, includes natural trigger terms that users would actually say, explicitly states both what the skill does and when to use it, and has a clear niche that minimizes conflict with other skills.

DimensionReasoningScore

Specificity

Lists multiple specific concrete actions: 'Write, review, or improve SwiftUI code' with specific domains: 'state management, view composition, performance, and iOS 26+ Liquid Glass adoption'.

3 / 3

Completeness

Clearly answers both what ('Write, review, or improve SwiftUI code following best practices...') AND when ('Use when building new SwiftUI features, refactoring existing views, reviewing code quality, or adopting modern SwiftUI patterns').

3 / 3

Trigger Term Quality

Includes natural keywords users would say: 'SwiftUI', 'state management', 'view composition', 'iOS 26+', 'Liquid Glass', 'refactoring', 'views', 'code quality', 'modern SwiftUI patterns'.

3 / 3

Distinctiveness Conflict Risk

Clear niche focused specifically on SwiftUI with distinct triggers like 'iOS 26+', 'Liquid Glass', and 'SwiftUI patterns' that distinguish it from general code review or other iOS skills.

3 / 3

Total

12

/

12

Passed

Validation

100%

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation11 / 11 Passed

Validation for skill structure

No warnings or errors.

Repository
SnowingFox/macos-island
Reviewed

Table of Contents

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