Conciseness

The body is lean, well under 50 lines, and assumes Claude's competence without re-explaining concepts like benchmarks or ASCII; the only trimmable part is the honesty-boundary rationale ('the unbuilt version was never written, so there is no real baseline...'). Not 5 because that rationale is minor over-explanation; not 3 because the rest is efficient rather than padded.

Actionability

Provides a copy-paste-ready ASCII scoreboard template with exact figures (6–20%, 23–53%, 3–6× faster) and a clear render instruction ('Render plain ASCII bars... the label carries the exact figure'). Not 4 because the template fully specifies the common case rather than leaving minor gaps.

Workflow Clarity

Simple-skill exception applies: a single, unambiguous action (display the scoreboard once) that is explicitly non-destructive ('Edits nothing, changes no mode'), with a clear revert path ('stop ponytail' or 'normal mode'). Not 4 because the action and revert are fully unambiguous; the destructive/batch validation cap does not apply since the skill edits nothing.

Progressive Disclosure

Under 50 lines with no need for external bundle files, organized into clear sections (## Scoreboard, ## Honesty boundary, ## Boundaries); cross-references (/ponytail-debt, /ponytail-audit, benchmarks/, README) are one level deep and clearly signaled. Not 4 because structure is fully appropriate for a self-contained simple skill.

Specificity

Names a concrete action ('Show ponytail measured impact as a scoreboard') and concrete content dimensions ('less code, less cost, more speed, from the benchmark medians'); only one action, but it is a single-purpose display skill so coverage is appropriate. Not 5 because it does not list multiple distinct actions; not 3 because the metrics and source are concretely specified rather than generic.

Completeness

Has a clear 'what' (show a measured-impact scoreboard) but no explicit 'Use when...' trigger clause; 'One-shot display' describes the mode rather than the trigger, so completeness is capped at 3 per the rubric guideline. Not 4 because 'when' is missing rather than merely weakly implied; not 2 because the 'what' is clear rather than vague.

Trigger Term Quality

Contains relevant keywords ('ponytail', 'scoreboard', 'benchmark medians') but relies heavily on the narrow proper noun 'ponytail' and lacks common variations or synonyms a user might naturally say. Not 4 because keyword coverage is thin rather than 'good'; not 2 because it is not merely generic ('Works with files') — it has domain-specific terms.

Distinctiveness Conflict Risk

Occupies a clear niche tied to the unique proper noun 'ponytail' with a specific scoreboard output, giving minimal conflict risk with other skills. Not 4 because the trigger is uniquely distinctive rather than having minor overlap risk.