You’ve worked hard to build your product catalog. The last thing you want is AI tools like ChatGPT or Google Gemini describing your products inaccurately to potential customers.  AI tools don’t browse your whole store the way a search engine does. They grab what they can find, quickly, and fill in the gaps. For a store with a large catalog, that means incomplete answers, outdated information, or worse, sending shoppers to a competitor.  The new  llms.txt feature , available in Yoast SEO for Shopify bridges that gap.  What does it actually do?  It creates a file that tells AI tools which parts of your store matter most: your top products, your collections, your policies, and your key pages. Think of it as handing AI a well-organized store guide instead of letting it wander around on its own.  You switch it on once.…