Conciseness

The body is efficient — tables, terse numbered steps, and concrete tool calls with no explanations of concepts Claude already knows. It sits at anchor 4 rather than 5 because of minor trimmable framing: the role preamble ('You are a design consultant embedded in a developer's workflow') and a few justificatory asides ('the interview is where most of the value is') add tokens without adding instruction.

Actionability

Guidance is directly executable: exact SDK calls (`create_project`, `generate_screen_from_text` with `deviceType: DESKTOP`), versioned filename conventions (`desktop-v1.html`), platform-specific open commands (`open`/`xdg-open`/`start`), a copy-paste zip command, a completed DESIGN.md template, and a feedback-to-tool mapping table. Deferring exact SDK parameter shapes is explicitly justified ('consider the Stitch SDK documentation as the ground truth'; tool names discovered via `list_tools`), which satisfies the pseudocode exception.

Workflow Clarity

The five phases are clearly sequenced with per-phase transition rules ('Move to Phase B when you have: project name + what it does + target users + desired CTA'), explicit validation checkpoints (SDK auth verification in Phase 0, full-summary confirmation before generation), loop guardrails at rounds 3 and 5, and a dedicated Resume & Error Recovery section covering async completion, rate limits, and project expiry. This matches the anchor 'Clear sequence with explicit validation steps; feedback loops for error recovery; checklists for complex processes'.

Progressive Disclosure

SKILL.md is a clean overview with a Reference Files table giving per-file 'When to read' and 'Contains' columns; all three referenced files exist and are one level deep with no nested chains (the single cross-link in interview-framework.md points laterally to a sibling reference, reachable directly from SKILL.md). Detailed material (question bank, font mappings, pitfalls, DEPLOY template) is correctly split out of the main body. This matches the anchor 'Clear overview with well-signaled one-level-deep references; content appropriately split; easy navigation'.

Specificity

The description lists multiple concrete actions with specifics: "runs a brand-identity interview (colors, typography, shape language)", "generates and iterates on a polished landing page via Stitch", "deployment-ready HTML". This matches the anchor 'Lists multiple specific concrete actions; comprehensive coverage' — it is not the level 4 anchor since there are no meaningful coverage gaps in what the skill does.

Completeness

Both halves are explicit: what ("runs a brand-identity interview… then generates and iterates on a polished landing page via Stitch") and when ("Use when the user asks to create, design, or build a landing page, homepage, or marketing page and has no established visual direction"). This clearly matches the anchor 'Clearly and explicitly answers both what AND when with concrete trigger phrases'; the 'when' clause is present and specific, so no cap applies.

Trigger Term Quality

Good natural-term coverage with synonyms: "landing page, homepage, or marketing page" plus verbs "create, design, or build". It falls at anchor 4 rather than 5 because a few natural phrasings users might say are absent (e.g. "one-pager", "product site", "hero page"), though nothing important is missing.

Distinctiveness Conflict Risk

A clear niche is stated with explicit boundary guidance: "Skip when they have a design mockup, need a dashboard or app UI, are working at component level… — use frontend-design instead." This is stronger than the anchor-4 'minor overlap risk' example because it actively disambiguates against the nearest competing skill.