The Merchdex blog

Product data, feed health and AI commerce - explained for merchants

Practical guides on fixing product feed issues, enriching catalogue data, measuring channel attribution, and preparing for AI-driven commerce discovery.

Blog articles

AI Commerce

The AI Commerce Gap: Why Small Retailers Are Invisible to ChatGPT (And How to Fix It)

Enterprise retailers have teams and budgets to prepare their products for AI shopping agents. Independent merchants have had nothing - until now. This is what the gap looks like, why it matters more than most merchants realise, and exactly how to close it.

12 min read
AI Commerce

How to Make Your Shopify Products Eligible for ChatGPT Discovery in 2026

ChatGPT uses product feed files that merchants generate and host. Most Shopify merchants have not generated them - or have generated them with product data too thin to match specific buyer queries. Here is what eligibility actually requires and how to prioritise the fixes.

8 min read
Protocols

ACP vs UCP: What Shopify Merchants Actually Need to Know

There are two dominant agentic commerce protocols - OpenAI's ACP and Google's UCP. They do different things and require different data. Here is what you actually need to do.

6 min read
Product Data

What Is a Catalogue Readiness Score and How Does It Help Your Store?

An AI Readiness Score measures how well your product data is structured for AI agent discovery. A score below 40 means you're effectively invisible to ChatGPT and Gemini shoppers.

5 min read
Product Data

The 12 Product Attributes AI Shoppers Need That Your Listings Probably Don't Have

When an AI agent gets asked for "a warm jacket for hiking in Patagonia under $250", it needs far more than your title and description. Here are the 12 attributes that determine whether it recommends you.

7 min read
Attribution

How to Actually Measure Revenue From ChatGPT and Gemini (Without Kidding Yourself)

Most merchants getting AI-driven traffic have no idea what converts or what it's worth. Standard UTM tracking misses most of it. Here's how to measure AI channel revenue honestly.

9 min read
Shopify Strategy

Product Claims and Feed Compliance: What You Can Say, and What Will Block You from Google Shopping

Google Merchant Center blocks products with unsubstantiated claims. AI feed validators do the same. A 'sustainable' or 'waterproof' claim without source evidence will get your product excluded from feeds - and creates advertising compliance risk under ACCC and FTC guidance.

6 min read
AI Commerce

Google AI Mode Is Replacing Shopping Search. Here's What Shopify Merchants Need to Do.

Google's AI Mode is now handling a significant share of shopping-intent queries. It does not surface products the same way traditional Shopping does. Here is what changed and how to adapt.

7 min read
Shopify Strategy

Agentic Commerce Is Here. Independent Retailers Have a Narrow Window to Get Ready.

The shift from human-browsed storefronts to AI-mediated discovery is happening faster than most merchants realise. This is what the next 18 months look like - and what to prioritise.

10 min read

Topics we cover

Feed standards and protocols

ACP, UCP, Google Merchant Center, and schema.org - how each actually works (spoiler: they are all pull-based), what format your data needs to be in, and what Merchdex generates automatically.

Product data enrichment

What attributes AI agents need, how to generate them efficiently, and how to validate product claims before they become liabilities.

Attribution and measurement

How to track AI-channel revenue honestly, why standard UTM tracking misses most of it, and what refund-adjusted reporting tells you.

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