Conciseness

The body is a lean index: one-line rule summaries, a priority table, and pointers, with no re-explanation of concepts Claude already knows. Not 5 because of redundancy — the 'When to Apply' list restates the frontmatter triggers, and the priority table and Quick Reference headings enumerate the same four categories twice.

Actionability

Guidance is mostly navigational ('Read individual rule files for detailed explanations and code examples') with no code or concrete refactor steps in the body; rule summaries like 'use composition' name the direction but not the how. The one inline directive 'Don't use `forwardRef`; use `use()` instead of `useContext()`' conflates two separate React 19 changes into one garbled line, which is misleading rather than executable.

Workflow Clarity

The usage path is discernible — check the priority table, find the rule ID in Quick Reference, read the rule file, or consult AGENTS.md for the full guide — and 'Each rule file contains' sets clear expectations for the bundle files. Not 5 because this sequence is implied by section layout rather than stated, and there is no guidance for applying rules during an actual refactor.

Progressive Disclosure

The design is right — a one-level-deep index with named rule files and a compiled AGENTS.md for the full document — but the referenced bundle files ('rules/architecture-avoid-boolean-props.md', 'rules/state-context-interface.md', 'AGENTS.md') do not exist in the skill bundle (no rules/, references/, scripts/, or assets/ directories are present), so the navigation promises are broken at runtime.

Specificity

Lists several specific activities — 'refactoring components with boolean prop proliferation', 'building flexible component libraries', 'designing reusable APIs', plus 'Includes React 19 API changes' — with minor gaps. Not 5 because the opening 'React composition patterns that scale' is a topic statement rather than a concrete verb-object capability like the top anchor's examples.

Completeness

Both parts are present: the 'what' ('React composition patterns that scale... Includes React 19 API changes') and an explicit 'when' ('Use when refactoring components with boolean prop proliferation, building flexible component libraries, or designing reusable APIs'). Not 5 because the 'what' is a noun phrase without an explicit statement of what the skill does (provide reference guidelines), so it could be more explicit.

Trigger Term Quality

Natural domain vocabulary a React user would actually say: 'boolean prop proliferation', 'compound components', 'render props', 'context providers', 'component architecture'. Not 5 because common synonyms such as 'prop drilling', 'component composition', or 'reusable components' are missing; not 3 because coverage is good and domain-specific rather than generic.

Distinctiveness Conflict Risk

A clear React composition-patterns niche with distinctive triggers like 'compound components' and 'render props'. Not 5 because 'component architecture' and 'designing reusable APIs' are broad enough to overlap with general architecture or API-design skills; not 3 because the majority of triggers are specific to this niche.