Conciseness

The body is mostly lean — the three-games taxonomy and 7 criteria are framework-specific knowledge that earns its tokens — but the opening paragraph restates the frontmatter description nearly verbatim, and each criterion's explanation clause (e.g. 'Easy to Understand: Clear definition that everyone in the organization comprehends') largely restates its own name. This is 'efficient with minor trimming possible' rather than the fully lean anchor at 5, and clearly above the noticeably-verbose anchor at 3.

Actionability

The three-step prompt (classify the game, identify the NSM against the seven named criteria, define 3-5 input metrics with stated properties) is concrete and directly executable for an instruction-only skill. It falls short of 5 because there is no worked example of a completed metrics constellation, and Step 2/3 leave output format unspecified — minor gaps, but enough to sit below the fully executable anchor.

Workflow Clarity

Steps 1-3 are explicitly sequenced (classify → identify NSM → identify input metrics) and the criteria for each step are enumerated, so this sits above 'sequence present but checkpoints missing'. No validation checkpoints appear, but the task is advisory/non-destructive so the destructive-operation cap does not apply; the absence of any output-structure guidance keeps it at 4 rather than 5.

Progressive Disclosure

The skill has no bundle files (no references/, scripts/, or assets/), and the ~70-line body is organized into clear, well-labeled sections, which fits 'good structure, most content appropriately placed'. It is not the 5 anchor because the body exceeds the under-50-line simple-skill case and material like the prompt template and criteria checklist could plausibly live in a one-level-deep reference file.

Specificity

It lists multiple concrete actions with specifics: 'Define a North Star Metric and 3-5 supporting input metrics that form a metrics constellation', 'Classify the business game (Attention, Transaction, Productivity)', 'validate against 7 criteria'. This matches the comprehensive-coverage anchor; it is well above the 'several specific actions, minor gaps' anchor at 4.

Completeness

It explicitly answers both questions: 'what' via 'Define a North Star Metric and 3-5 supporting input metrics... Classify the business game... validate against 7 criteria', and 'when' via the explicit 'Use when choosing a North Star Metric, setting up a metrics framework, learning about the North Star Framework, or deciding what to measure' clause with concrete trigger phrases. This is a direct match for the 5 anchor, not the 4 anchor where 'when' is present but less specific.

Trigger Term Quality

Coverage is good — 'North Star Metric', 'metrics framework', 'North Star Framework', 'choosing what to measure' are phrases users would naturally say. It misses common synonyms and abbreviations present in the domain ('key metric', 'NSM', 'OMTM', 'KPI'), which keeps it below the comprehensive-synonyms anchor at 5 but comfortably above the 'some relevant keywords' anchor at 3.

Distinctiveness Conflict Risk

It occupies a clear niche (North Star Metric definition and metrics constellations) with distinct, specific triggers; the risk of firing for an unrelated metrics/analytics skill is minimal. It is above the 4 anchor's 'minor overlap risk with closely related skills' because the North Star framing is highly specific and repeated across trigger phrases.