swift-expert

tessl i github:jeffallan/claude-skills --skill swift-expert

Use when building iOS/macOS applications with Swift 5.9+, SwiftUI, or async/await concurrency. Invoke for protocol-oriented programming, SwiftUI state management, actors, server-side Swift.

52%

Overall

Validation — 75%

Implementation — 42%

Activation — 0%

SKILL.md

Review

Evals

Validation

75%

Warnings & errors only

Criteria	Description	Result
metadata_version	'metadata' field is not a dictionary	Warning
license_field	'license' field is missing	Warning
frontmatter_unknown_keys	Unknown frontmatter key(s) found; consider removing or moving to metadata	Warning
body_examples	No examples detected (no code fences and no 'Example' wording)	Warning

	Total	12 / 16 Passed

Implementation

42%

This skill provides good organizational structure and progressive disclosure through its reference table, but critically lacks actionable code examples. The content reads more like a job description than executable guidance - it tells Claude what to do conceptually but never shows how with concrete implementations.

Suggestions

Add executable Swift code examples for at least 2-3 common patterns (e.g., async/await usage, SwiftUI state management, protocol definition)

Replace abstract constraints like 'Use async/await for asynchronous operations' with concrete before/after code showing the correct pattern

Add validation steps to the workflow, such as specific Xcode build commands or test execution commands

Remove the role definition paragraph - Claude doesn't need to be told it's a 'senior Swift engineer with 10+ years experience'

Dimension	Reasoning	Score
Conciseness	Contains some unnecessary verbosity like the role definition paragraph and 'Senior Swift developer with mastery of...' which Claude doesn't need. The constraints lists are reasonable but could be tighter.	2 / 3
Actionability	No executable code examples anywhere. All guidance is abstract ('Use async/await for asynchronous operations', 'Follow Swift API Design Guidelines') without concrete implementations or copy-paste ready snippets.	1 / 3
Workflow Clarity	The 5-step core workflow is listed but lacks validation checkpoints or feedback loops. Steps like 'Optimize - Profile with Instruments' are vague without specific commands or verification criteria.	2 / 3
Progressive Disclosure	Well-structured with clear reference table pointing to specific files for different topics. One-level-deep references are clearly signaled with 'Load When' context for each.	3 / 3
	Total	8 / 12 Passed

Activation

N/A

Something went wrong

Reviewed

18 days ago

Table of Contents

Validation Implementation Activation

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