Conciseness

Mostly efficient and free of concept over-explanation, but real duplication exists: the "do not dump an empty template as the opening move" / "write the brief after the SME conversation" rule appears both in the intro paragraph and in Operating rules, and the batch-confirmation guidance for spec-derived drafts is stated twice in near-identical words (Operating rules bullet 2 and the close of Spec-kit mapping). Not 4 because these are more than minor trimmings — whole sentences and one full bullet are redundant; not 2 because there is no padding or teaching of known concepts and every section carries functional weight.

Actionability

Fully executable guidance throughout: exact commands (`npx @cognite/cli@latest apps skills pull`, `Glob '**/skills/correctness-and-error-handling/SKILL.md'`), a complete copy-paste-ready App-Brief.md template with exact YAML frontmatter, scripted challenge questions in quotes, concrete good examples for each coached field, and the exact closing message. Matches the anchor for copy-paste-ready, specific examples covering common cases.

Workflow Clarity

Clear Step 0–5 sequence with explicit validation checkpoints and feedback loops: the preflight sentinel glob with "Zero matches → ask: Retry / Skip and continue / Stop", challenge-and-re-ask loops per coached field, and the hard gate "If any required field is still empty, do not write the file — return to coaching that field". Error recovery paths are explicit at every failure point.

Progressive Disclosure

Well-organized single-file structure with clear section headers, and the one external reference ([start-flows-app](../start-flows-app/SKILL.md)) is well-signaled and one level deep; no bundle files exist so nothing is buried. Not 5 because at ~215 lines some self-contained blocks (e.g. the 55-line output template, the field-by-field coaching rubric) could live in a reference file to keep the SKILL.md body a leaner overview; not 3 because nothing that clearly belongs elsewhere is inlined and navigation is easy.

Specificity

Names the domain (Flows app certification) and several concrete actions — "Captures the app name, value case, persona, problem, and design intent through a structured conversation and writes App-Brief.md at the repo root" — but coverage of the coaching process is incomplete (challenging vague answers, confirming pre-scanned drafts are only implied). Not 5 because the action list has minor gaps; not 3 because it goes beyond 1-2 actions to list the captured fields and the concrete output artifact.

Completeness

Both what and when are explicitly and clearly answered: what — captures five brief fields via structured conversation and writes App-Brief.md; when — an explicit "Use when the user asks to..." clause listing four concrete triggers. Matches the anchor for clearly answering both with concrete trigger phrases.

Trigger Term Quality

Explicit trigger phrases — "Use when the user asks to start an app brief, run the certification coach, fill out the app brief, or run flows-app-brief" — cover the natural phrasings a user would say. Not 5 because common synonyms like "create an app brief", "app brief template", or "certification flow" variants are missing; not 3 because multiple natural phrasings and the skill's own name are present rather than a single generic keyword.

Distinctiveness Conflict Risk

Clear niche (Flows app certification brief) with distinct triggers ("app brief", "flows-app-brief", "App-Brief.md") that separate it from the sibling build/review/submit skills in the same flow. Not 5 because "run the certification coach" and "certification" language overlaps mildly with the other certification-flow skills (flows-code-review, flows-design-review, flows-external-app-submit); not 3 because the file artifact and skill name make false triggers unlikely.