Conciseness

The body assumes Claude's competence throughout — it never explains what telemetry, traces, or ingest are — and every line is operational ('Query from = --from − 30 s ... at most 4 attempts', 'about 12 calls covers a run'). Not 4: there is no over-explanation that could be trimmed; the long Step 6 template is the literal output contract, not padding.

Actionability

Provides copy-paste ready material: the full Skill(...) invocation string, the exact verify-comment.mjs command, exact skip lines, the wrong/right ingest-retry contrast, and a worked example journey ('click "Save" → POST /api/views 201 (84 ms) → views-service PUT (21 ms) → postgres INSERT (4 ms)'). Not 4: as an instruction-type skill it covers the common cases concretely, delegating only per-backend query syntax to clearly named rule files.

Workflow Clarity

Steps 0–6 are strictly sequenced with explicit validation checkpoints: honest skip conditions, a bounded ingest-retry feedback loop, a pipe check before any absence is read as good news ('zero records everywhere after the retries is pipe: inconclusive'), a stop-as-soon-as-verified query budget, and a Definition-of-done checklist. Not 4: feedback loops and checkpoints are explicit at every risky juncture.

Progressive Disclosure

References are one level deep and well signaled ('Read only the backend file and rules/receipt.md § Output; the other rule files are for disputes', plus a backend→rule-file table). Not 5: the referenced rules/*.md and ../aw-verify script files are not present in this skill's bundle, so the reference targets and the placement of detail cannot be verified; not 3: the in-bundle structure, signaling, and navigation are otherwise excellent.

Specificity

Lists multiple concrete actions — 'reads what the services recorded during one closed window', 'traces each acceptance criterion from web event to backend trace to database', 'finds errors behind a green UI, slow paths, and missing signals', 'posts its receipt to the PR's verify comment' — comprehensively covering the skill's behavior. Not 4: there are no minor coverage gaps; read, trace, judge, and report actions are all explicitly enumerated.

Completeness

Explicitly answers what (read telemetry over a closed window, trace acceptance criteria, find hidden errors) and when ('Triggers on "check the telemetry", "prove it with traces", "/telemetry-verify"', plus context that the traffic comes from ui-verify, verify, or a repro). Not 4: the 'when' is explicit with concrete trigger phrases, not merely present.

Trigger Term Quality

Explicit natural trigger phrases are present ('check the telemetry', 'prove it with traces', '/telemetry-verify') along with domain terms like 'traces', 'web event', and 'missing signals'. Not 5: common user variations such as 'logs', 'spans', or 'observability' are absent; not 3: several natural phrases users would actually say are covered.

Distinctiveness Conflict Risk

Occupies a clear niche — the read-only 'telemetry witness' over traffic other verify skills produced — explicitly contrasted with siblings ('ui-verify, verify, a repro') and bounded by 'Never edits code'. Not 4: its triggers ('check the telemetry', 'prove it with traces') are distinct and unlikely to fire for a neighboring skill.