Conciseness

Mostly lean, aphoristic prose that assumes Claude's competence ('Frameworks produce competent output. Coherent output requires a brief.') with no padding explaining known concepts. Not a 5 because of minor duplication: the Functional + Provocative tension example appears in both Workflow step 4 and Failure patterns, and 'When NOT to use' restates boundary guidance already in the frontmatter description.

Actionability

Provides a concrete 7-step workflow, enumerated positions per axis, a numbered 6-part output structure, and specific examples ('No testimonial walls. No stock photography. No exclamation marks.'). Not a 5 because several steps remain abstract ('present the positions, surface tradeoffs', 'Write a one-paragraph synthesis') and the worked example is deferred entirely to a reference file rather than covering common cases inline.

Workflow Clarity

The Workflow section gives a clearly sequenced 1-7 process with a genuine checkpoint in step 4 ('Flag tensions and ask the user to confirm or reconsider') and a Failure patterns section covering error recovery. Not a 5 because no step validates the finished brief against the Required inputs or with the user before handoff; not a 3 because the sequence and confirm-checkpoint are explicit and this is not a destructive or batch operation.

Progressive Disclosure

Three real, one-level-deep reference files (axes-explained.md, brief-template.md, example-aesthetic-brief.md — all verified present and substantive), each described in a dedicated Reference files section and linked at point of use (brief-template in Workflow step 6). Not a 5 because the body inlines the full axis-position taxonomy while axes-explained.md re-covers the same positions with added depth, creating moderate overlap that could be split more cleanly.

Specificity

Lists several specific concrete actions — 'Walk the user through four directional axes (tone register, aesthetic philosophy, audience relationship, sensory ambition)' and 'produce a structured aesthetic brief that downstream content, copy, design, and art-direction skills consume' — with the axes enumerated and the output artifact named. Not a 5 because it rests on only two verbs of action rather than a comprehensive action list; not a 3 because the actions are explicitly enumerated and specific, not generic.

Completeness

Explicitly answers both what ('Walk the user through four directional axes... produce a structured aesthetic brief...') and when ('Use when a project needs aesthetic coherence across many small decisions and the user has only a vague feeling'), with concrete trigger phrases and negative boundary guidance. Matches the score-5 anchor.

Trigger Term Quality

Good natural trigger coverage: 'Triggers on creative direction, aesthetic direction, set the aesthetic, define the visual direction, what's the vibe, what's the tone, the four axes' includes casual phrases users would actually say. Not a 5 because common synonyms like 'look and feel', 'mood', 'visual style', or 'brand personality' are missing.

Distinctiveness Conflict Risk

Clear niche with minimal conflict risk: it differentiates from siblings ('distinct from `creative-brief` (operational kickoff: scope, audience, deliverables, constraints)') and lists explicit negative triggers ('Does NOT fire for a general kickoff brief (use `creative-brief`), tactical single-piece work...'). Unlikely to fire for the wrong skill.