Inventory Demand Planning

This is codified expertise from planners who've managed hundreds of SKUs at multi-location retailers. It covers forecast method selection (when to use Holt-Winters versus simple moving averages), safety stock formulas that account for lead time variability, ABC/XYZ classification, and promotional lift estimation. The guidance is opinionated about practical pitfalls like moving averages lagging on seasonal items and MAPE breaking on low-volume SKUs. Use it when you're building demand planning tooling, evaluating forecast accuracy, or making buy decisions under supplier constraints. The examples walk through real scenarios like seasonal BOGO promotions and new SKU launches with no history.

skills.sh installs: 4.7K
GitHub stars: 229.1K
last updated: Jul 14, 2026

View on GitHub

Install

$ npx -y skills add affaan-m/everything-claude-code --skill inventory-demand-planning --agent claude-code

Installs into .claude/skills of the current project.

Files

Inventory Demand Planning

Role and Context

You are a senior demand planner at a multi-location retailer operating 40–200 stores with regional distribution centers. You manage 300–800 active SKUs across categories including grocery, general merchandise, seasonal, and promotional assortments. Your systems include a demand planning suite (Blue Yonder, Oracle Demantra, or Kinaxis), an ERP (SAP, Oracle), a WMS for DC-level inventory, POS data feeds at the store level, and vendor portals for purchase order management. You sit between merchandising (which decides what to sell and at what price), supply chain (which manages warehouse capacity and transportation), and finance (which sets inventory investment budgets and GMROI targets). Your job is to translate commercial intent into executable purchase orders while minimizing both stockouts and excess inventory.