Content
57%Weight 40%Scale 1-5Reviews 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 reference-hub skill: the bundle is complete, well-organized, and easy to navigate, with a genuinely useful cross-topic section. Its weaknesses are the absence of any executable code patterns despite promising them, a scattered implicit workflow, and filler/redundant sections ('When to Use', principle restatements) that spend tokens on what Claude already knows.
Suggestions
Delete the 'When to Use' filler section ('This skill is applicable to execute the workflow or actions described in the overview.') and the attribution boilerplate; both spend tokens without adding guidance.
Add one compact, executable SwiftUI snippet per Output Format item (e.g. a semantic-color + Dynamic Type example) so the demanded 'concrete code patterns (SwiftUI/UIKit/AppKit)' are modeled, not just requested.
Consolidate the implicit workflow into an explicit numbered sequence at the top (check context file → ask uncovered questions → consult relevant references → answer in Output Format) so the order is unambiguous.
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The body is mostly efficient — each of the 8 Key Principles is 1-2 dense sentences — but the 'When to Use' section ('This skill is applicable to execute the workflow or actions described in the overview.') is pure filler, and the Key Principles restate HIG concepts Claude already knows (e.g. 'System colors adapt to light/dark mode', 'Use SF Symbols for iconography'). This fits 'Mostly efficient but includes some unnecessary explanation or could be tightened'; it is not 4 because the filler section and redundant principle explanations are clearly trimmable. | 3 / 5 |
Actionability | There is concrete, specific guidance — named semantic colors ('label, secondaryLabel, systemBackground'), named fonts ('SF Pro, SF Compact, SF Mono... New York for serif'), an explicit context-file check, a question list, and a 4-point output format — but no executable code anywhere, even though the Output Format itself demands 'concrete code patterns (SwiftUI/UIKit/AppKit)'. As an instruction-only skill its guidance is real but incomplete, matching 'Some concrete guidance but incomplete... missing key details' rather than 4. | 3 / 5 |
Workflow Clarity | A rough sequence exists (check `.claude/apple-design-context.md` before asking questions → ask the 4 listed questions → answer in the 4-point Output Format), but it is scattered across prose and sections rather than presented as a flow, and there are no validation or verification checkpoints. This matches 'Steps listed but validation gaps; sequence present but checkpoints missing or implicit'; not a destructive/batch skill, so no lower cap applies, but the implicit ordering keeps it below 4. | 3 / 5 |
Progressive Disclosure | The body is a genuine overview pointing to 18 one-level-deep reference files, all of which exist in references/ exactly as cited, presented in a Reference Index table with topic and key-content columns — easy to navigate and clearly signaled. 'Applying Foundations Together' adds useful cross-file navigation without nesting. This cleanly matches 'Clear overview with well-signaled one-level-deep references; content appropriately split; easy navigation.' | 5 / 5 |
Total | 14 / 20 Passed |