Conciseness

The body is relentlessly lean and assumes competence — "Ordinary TypeScript, no DSL", "Marginal, never amortized", "Quality gates precede economics" — with zero padding or explanation of concepts Claude already knows. Even the war-story sentences ("Resolving that conflict silently cost one run ~30 minutes") carry operative lessons rather than filler; every token earns its place.

Actionability

Mostly executable: concrete invocations throughout ("deepline plays run <file.play.ts> --input '<json>' --debug", "python3 <skill-root>/scripts/scaffold-search-experiment.py ./deepline/data/<task-slug> --name <task-slug> --input-csv <rows.csv>", the feedback-send template). Falls short of fully copy-paste-ready because key guidance is aphoristic rather than executable — "Write `unit + decision + required facts + scale` before touching tools", "A concept is an information geometry, never a vendor" — and the actual Play-file shape is delegated to the scaffold script and job pages.

Workflow Clarity

Validation checkpoints are genuinely present for this batch-cost workflow: "run `deepline preflight --json` as one standalone command", "run-and-export does the structural check, Play check, completed Play, run-bound export", "{ok: true, runId, output}" as the completion receipt, "sentinel-probe one row before scaling", and receipt labels (CUT CANDIDATE / NEVER REACHED / cached calls) that drive the next action. Held at 4 rather than 5 because the end-to-end sequence "contract → compare → exploit → recover → export → price" is given as a single cryptic line — the reader must assemble the actual step order from across the Quick Start, job-page, and Build-and-run sections.

Progressive Disclosure

The routing pattern itself is textbook progressive disclosure — job pages "consulted on a trigger rather than read up front", two lookup files, SDK surface pushed to references/sdk-reference.md. But scored against the actual bundle, 5 of the 7 referenced paths do not exist: jobs/finding.md, jobs/enriching.md, jobs/researching.md, jobs/automating.md, and shared/authoring.md are all missing from the skill directory, and references/api-reference.md exists but is never referenced. Not 4 — broken navigation to the primary per-job instructions is more than a minor organization gap; not 2, because the structure and signaling are clearly good.

Specificity

The description enumerates many concrete actions — "find companies or people, enrich a CSV, find emails or LinkedIn, compare providers, build a waterfall, create a webhook or cron, or write a Play" — plus an explicit operating method ("run a small heterogeneous experiment, exploit the observed winner, and reopen misses"). Coverage is comprehensive within the GTM domain; not 4, since no meaningful capability of the skill is left unstated.

Completeness

It explicitly answers both: what (the enumerated search/enrich/score/automate actions) and when ("Use for Deepline GTM work that searches, enriches…", plus the negative boundary "Skip pure copywriting and non-GTM research"). Both halves are explicit with concrete trigger phrases, so neither the 4 anchor ('when' could be more explicit) nor lower applies.

Trigger Term Quality

Natural user phrasing is thoroughly covered with synonyms: "find companies or people", "enrich a CSV", "find emails or LinkedIn", "compare providers", "webhook or cron", "copywriting", "non-GTM research". A few product-specific terms ("Play", "waterfall", "collects signals") are jargon, but they sit alongside, not instead of, the natural terms — matching the comprehensive-with-synonyms anchor.

Distinctiveness Conflict Risk

It occupies a clear branded niche ("Deepline GTM work") with distinct triggers and an explicit exclusion clause that prevents it from firing on adjacent copywriting or generic research skills. Conflict risk with other skills is minimal.