AI shopping is real now. ChatGPT, Perplexity, Gemini and Claude all recommend products in their answers. If you run an e-commerce store, you've probably wondered whether your products even show up.

Spoiler: probably not. After scanning ~500 stores at MerchantStamp, the average store scores 34/100 on AI-readiness. The most common gap, by far, is incomplete JSON-LD Product schema.

This is a practical guide to fixing that — written for developers shipping e-commerce sites who want to be visible to AI agents without becoming a structured-data expert.

Why AI agents need JSON-LD specifically

AI shopping agents don't crawl your site like Google does. They prefer two sources, in order:

Product feeds (Google Merchant, manufacturer feeds, marketplace APIs)

JSON-LD Product schema embedded on the page

If both exist and agree, your product is a candidate for recommendation. If they disagree, the agent down-weights the product (trust loss).…