Conciseness

The body is lean and assumes Claude's competence — every line carries project-specific information Claude could not know (exact paths, "that dir is mostly legacy", "globals: true", forced dark mode) with zero explanation of concepts Claude already knows, matching anchor 5.

Actionability

Guidance is mostly executable — exact file paths, an import example, and copy-paste verify commands ("bun run lint", "bunx vitest run src/components/__tests__/<Name>.test.tsx") — but the error-boundary tier instruction ("Pick the error-boundary tier (`ComponentErrorBoundary` for granular) that matches blast radius") names only one tier, leaving a minor gap for the homepage-section case, so anchor 4 rather than 5.

Workflow Clarity

Six clearly sequenced steps ending in an explicit verification step with exact commands; this is not a destructive or batch operation so no validation cap applies, and as a simple single-purpose skill under 50 lines its unambiguous sequence matches anchor 5.

Progressive Disclosure

There are no bundle files (references/, scripts/, assets/ are absent), and this under-50-line skill needs none; the two well-organized sections ("Conventions to follow", "Steps") satisfy the simple-skill condition for a top progressive-disclosure score.

Specificity

The description names a concrete action ("Scaffold a new React component") and enumerates several specific convention areas ("kel-ui-components first, data-driven content, co-located tests, accessibility by default"), but these are qualifiers on a single scaffold action rather than a comprehensive list of multiple distinct actions, matching anchor 4 rather than 5.

Completeness

It explicitly answers both what ("Scaffold a new React component following this project's conventions") and when ("Use when asked to create a new component or homepage section") with concrete trigger phrases, matching anchor 5; the 'when' clause is explicit, not weakly implied as at anchor 4.

Trigger Term Quality

It includes natural phrases a user would actually say — "create a new component", "new React component", "homepage section" — which is good keyword coverage; a few natural synonyms (e.g. "add/build a component", "section") are missing, so it sits at anchor 4 rather than 5.

Distinctiveness Conflict Risk

"create a new component or homepage section" defines a clear niche with distinct triggers that would not fire for editing, refactoring, or general test-writing requests, giving minimal conflict risk as at anchor 5.