Conciseness

The body is dense with genuine practitioner calibration Claude would not know (lift ranges 15–40% for TPR, post-promo dip at 30–50% of lift, markdown delay costing 3–5 margin points), but the Core Knowledge section spends many lines explaining textbook concepts Claude already knows — Holt/Holt-Winters mechanics, STL, MAPE/WMAPE definitions, the EOQ formula and ABC analysis basics — and the "When to Use" section appears twice (opening and closing) with overlapping content. It fits 'mostly efficient but includes some unnecessary explanation or could be tightened' rather than the noticeably-verbose anchor 2, because the standard theory is consistently interwoven with non-obvious retail-specific guidance.

Actionability

For an instruction-only skill the guidance is fully decision-ready: exact formulas (`SS = Z × σ_d × √(LT + RP)`, `EOQ = √(2DS/H)`, IP definition), concrete thresholds (tracking signal ±4, bias ±5%, WMAPE <25%), situation-to-action decision tables for method selection, service levels, and markdown timing, and specific escalation timelines. Specific examples cover the common cases directly. Not a 4 because there are no meaningful gaps — every framework maps a condition to an executable action with numbers attached.

Workflow Clarity

Multi-step processes are clearly sequenced with checkpoints: the method-selection table pairs each demand pattern with a review trigger (e.g., "Tracking signal exceeds ±4"), the slow-mover kill decision is an ordered flag→markdown→escalate→hard-exit-date sequence, and the escalation tables give trigger/action/timeline triplets that function as validation checkpoints. It is not a 5 because these are parallel frameworks rather than one workflow with explicit validate→fix→retry feedback loops, and steps like the markdown decision rely on the planner to sequence monitoring without stated cadence in a few places.

Progressive Disclosure

The bundle is well structured: SKILL.md holds summaries with three real, one-level-deep references — edge-cases.md, communication-templates.md, decision-frameworks.md (all verified to exist with substantive content) — each clearly signaled inline ("Full analysis in [edge-cases.md]") and again in the Additional Resources section with purpose statements. It falls short of a 5 due to minor organization gaps: the Core Knowledge and Decision Frameworks sections run ~150 lines of detailed inline content that partially overlaps what decision-frameworks.md exists to hold, and the duplicated "When to Use" sections create a small navigation wrinkle.

Specificity

The description lists several specific capabilities — "demand forecasting, safety stock optimisation, replenishment planning, and promotional lift estimation" — with minor gaps (e.g., ABC/XYZ segmentation and markdown planning from the body are absent). It stops short of a 5 because these are noun-phrase domains under "Codified expertise for" rather than concrete actions like 'compute safety stock' or 'estimate promotional lift', and it is not a comprehensive coverage of what the skill actually does.

Completeness

It has a clear 'what' (codified expertise for four named planning domains) but no 'when' at all — there is no "Use when..." clause or equivalent explicit trigger guidance in the description, which per the judging guidelines caps completeness at 3. It is not a 4 because 'when' is entirely absent rather than merely imprecise; the 'When to Use' sections live in the body, not the description.

Trigger Term Quality

Good keyword coverage of natural phrases a demand planner would actually say: "demand forecasting", "safety stock", "replenishment planning", "promotional lift". Not a 5 because common synonyms users might use are missing — e.g., "inventory planning", "demand planning", "stockouts", "purchase orders", "inventory optimization" — while anchor-5 examples include full synonym sets.

Distinctiveness Conflict Risk

The niche is well carved — the combination of "safety stock optimisation, replenishment planning, and promotional lift estimation at multi-location retailers" is clearly distinct from generic skills. Minor overlap risk remains with closely related general forecasting or supply-chain skills via the leading broad term "demand forecasting"; it is a clear niche but not the minimal-conflict anchor-5 case.