Conciseness

The body is dense and assumes competence — it explicitly refuses to duplicate the technical reference ('Don't duplicate that knowledge here; use it.') and explains no general concepts. But Step 2 is padded: the skip-then-restate-your-assumption rule is stated three times across Steps 1-2, and long parentheticals (the AskUserQuestion option-cap explanation, the aesthetic example triples) could be tightened. This fits anchor 4 (efficient, minor over-explanation to trim) rather than 5 (every token earning its place).

Actionability

Guidance is highly concrete for an instruction-only skill — exact path 'slides/<id>/index.tsx', kebab-case id examples, explicit option brackets for each question, commands ('npm run dev', 'pnpm dev'), URL format, and named framework primitives (<Steps>/<Step>, SlideTransition, <ImagePlaceholder> from @open-slide/core). However, code snippets like 'export const design: DesignSystem = { … }' and the meta export are shape hints rather than copy-paste-ready, with the full contract delegated to slide-authoring, so it fits anchor 4 rather than 5.

Workflow Clarity

Eight clearly numbered and logically sequenced steps (theme → clarify → id → structure → direction → write → self-review → handoff) with an explicit 'MUST ask before writing code' gate, id-collision checking, and restated-assumption correction points. Step 7 is an explicit validation step, but its actual checklist content lives in slide-authoring rather than being inline or summarized, a minor gap versus anchor 5's inline validate-fix-retry pattern; it is clearly above anchor 3 (checkpoints present, just not self-contained).

Progressive Disclosure

This SKILL.md is purely a workflow overview and delegates all technical depth one level deep to the slide-authoring skill, clearly signaled with named sections ('Image placeholders', 'Speaker notes', 'Design system', 'Self-review before finishing', 'references/webfonts.md'). No content that belongs elsewhere is inlined, no bundle files exist to misplace, and navigation is easy — matching anchor 5's clear overview with well-signaled one-level-deep references. The single second-hop pointer (webfonts.md inside slide-authoring) is a purposeful cross-skill layer reached only when slide-authoring is already open, not buried content.

Specificity

The description names the domain and several concrete verbs ('create, draft, author, or generate new slides / a presentation') with explicit scope ('only for authoring content inside slides/<id>/'), but the verbs are synonyms of a single core action and sub-capabilities like themes and motion appear only as trigger phrases. It fits anchor 4 (several specific actions, minor coverage gaps) rather than 3 (more than 1-2 concrete actions specified) or 5 (no list of multiple distinct actions).

Completeness

It explicitly answers 'what' ('create, draft, author, or generate new slides / a presentation in this open-slide repo') and 'when' (concrete trigger phrases plus an explicit negative boundary 'Do NOT use for editing the framework itself'). This matches anchor 5 — both what and when with concrete trigger phrases — and is clearly above anchor 4's weaker 'when'.

Trigger Term Quality

Trigger phrases are comprehensive and natural — 'make slides about X', 'make a deck about X', 'create a presentation', 'draft slides for', 'new slide', 'a deck with speaker notes / a script', plus 'add content under slides/'. Synonyms (slides/deck/presentation) cover all the ways a user would phrase this, and no file extensions exist for this repo-based format, so it matches anchor 5 rather than 4.

Distinctiveness Conflict Risk

The 'Do NOT use for editing the framework itself — only for authoring content inside slides/<id>/' clause establishes a clear niche and boundary. However, the closely related slide-authoring skill in the same ecosystem also covers slide writing, and the description does not delineate against it, so it fits anchor 4 (mostly distinct, minor overlap risk with closely related skills) rather than anchor 5.