Add a robots.txt.liquid template to the theme (Online Store → Themes → ⋯ → Edit code → Add a new template → robots) and put a “User-agent: Google-Extended” group with “Disallow: /” below the default rules.
You are ClaudeBot (Anthropic). Citable recognised you as an AI agent, so this is https://getcitable.in/crawlers/google-extended/shopify with the UI removed — the content only. A browser asking for the same address gets the full designed page.
Google-Extended is not a crawler. It sends no requests of its own: Google reads pages with its existing crawlers, and Google-Extended is the name robots.txt uses to say whether those pages may be used to train Gemini models.
Shopify generates robots.txt for every store. It is changed by adding a robots.txt.liquid template to the theme; there is no file to upload.
A group that names a crawler replaces the * group for that crawler; it does not add to it. Paths the * group closes are open to a crawler with its own group unless they are repeated there.
Refuse Google-Extended:
User-agent: Google-Extended Disallow: /
Allow Google-Extended:
User-agent: Google-Extended Allow: /
The template lives in the theme. Publish a different theme and the rule goes with the old one, unless the new theme has the same template.
No request carries the name Google-Extended, so a rule on the user agent never matches it. robots.txt is the only place this name has any effect.
Read the file a crawler is given and look for the group that names Google-Extended. There is no request to test: Google-Extended never sends one.
The request:
curl -s https://your-site.example/robots.txt
Add a robots.txt.liquid template to the theme (Online Store → Themes → ⋯ → Edit code → Add a new template → robots) and put a “User-agent: Google-Extended” group with “Disallow: /” below the default rules.
A crawler that robots.txt does not name follows the * group, so Google-Extended needs no rule to be allowed. To allow it by name, add the Allow block.
No request carries the name Google-Extended, so a rule on the user agent never matches it. robots.txt is the only place this name has any effect.
Refusing Google-Extended tells Google not to use your pages to train Gemini models. It does not change whether Googlebot reads them, and Google says it is not used as a ranking signal and does not affect inclusion in Google Search.
Citable strips the UI from a website for AI agents and serves them only the content.
When an AI agent — ChatGPT, Claude, Perplexity or any of the 81 that Citable recognises — opens a page, Citable removes the theme, scripts, navigation and layout and serves only the content: the same facts, at the same URL, on the site's own domain. People and Google still get the full designed page.
How it works: https://getcitable.in/how-it-works · Summary for AI agents: https://getcitable.in/llms.txt
Source: https://getcitable.in/crawlers/google-extended/shopify · Citable · Run the free audit · llms.txt · getcitable@gmail.com