How to Build an AI Product Description Generator for Your Ecommerce Catalogue

Writing consistent, on-brand product descriptions at scale is one of the biggest time sinks in ecommerce. Here's a step-by-step guide to building an AI-powered generator using Claude and Google Sheets that your whole team can use.

The Product Description Problem

If you're managing an ecommerce catalogue with hundreds or thousands of SKUs, you know the pain. Every product needs a compelling description that's accurate, on-brand, SEO-optimised, and unique enough to avoid duplicate content penalties.

Most teams end up with one of two problems: either descriptions are rushed and generic, or they consume enormous amounts of copywriting time that could be spent on higher-value work.

The Solution: AI-Assisted Generation

Modern AI language models like Claude can generate high-quality product descriptions in seconds — but only if you set them up correctly. The key is building a system that maintains your brand voice while scaling output.

What You'll Need

  • A Google Sheet with your product data
  • Access to Claude API (or use the web interface for smaller volumes)
  • Google Apps Script for automation
  • 30 minutes to set up

Step 1: Structure Your Product Data

Start with a Google Sheet containing your product information. A