Content
67%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.
The body is a well-organized, code-heavy pattern reference with strong actionability: nearly every section gives copy-paste-ready TypeScript for components, state, testing, and platform differences. Its weaknesses are modest — a few examples re-teach basic React knowledge Claude already has, and the single-file structure foregoes any externalization that would keep the always-loaded SKILL.md leaner.
Suggestions
Trim examples of concepts Claude already knows (the trivial Button component, bare `useState('')` snippet, 'Always define props interface') and keep only the RN-specific deltas like the core/ purity rule and file-splitting convention.
Complete the truncated snippets — the ItemCard example ends in `...` and HomeScreen uses an undefined `ItemList` — so every example is copy-paste ready.
Consider moving the Testing section (and possibly State Management details) into one-level-deep reference files under references/, keeping SKILL.md as a lean overview with clearly signaled links.
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The RN-specific material (Platform.select, .ios.tsx/.android.tsx file splits, the anti-patterns list, React Query/Zustand snippets) earns its place, but several sections re-teach basics Claude already knows — a trivial "Button" functional component, `const [value, setValue] = useState('')`, and "Always define props interface" — matching anchor 3 ("mostly efficient but includes some unnecessary explanation or could be tightened"). It is not level 2 because there is no padded prose and most examples are RN-specific. | 3 / 5 |
Actionability | Nearly all guidance is concrete, executable TypeScript covering the common cases (hooks extraction, Zustand store, React Query hooks, RNTL component and hook tests, Platform.select styles), matching anchor 4 ("mostly executable guidance; concrete code with minor gaps"). It falls short of 5 because of small gaps: the ItemCard example truncates its body with `...`, and HomeScreen references an undefined `ItemList`. | 4 / 5 |
Workflow Clarity | As a patterns skill with no multi-step or destructive/batch operations, the simple-skill guidance applies; decision paths are unambiguous ("Start with useState, escalate only when needed"; local state → Zustand for global → React Query for server state) and sections are clearly ordered, matching anchor 4. It is not 5 because there is no explicit sequencing or checkpoints for tasks like introducing the project structure to a new codebase — though for a style-guide skill this is a minor gap. | 4 / 5 |
Progressive Disclosure | No bundle files (references/, scripts/, assets/) exist and none are referenced, so the ~240-line body is scored on its own structure: clear, well-organized sections (Project Structure, Component Patterns, State Management, Testing, Platform-Specific Code, Anti-Patterns) with appropriate content placement, matching anchor 4 ("Good structure; most content is appropriately placed; minor organization gaps"). It is not 5 because the file exceeds the under-50-line simple case and sections like Testing or State Management could be externalized to one-level-deep reference files to slim the always-loaded SKILL.md. | 4 / 5 |
Total | 15 / 20 Passed |