Use when the user wants to use the UCP CLI to find, compare, buy, or track products from online merchants, or to set up and troubleshoot the local UCP profile required for merchant-scoped operations. Covers global catalog search (\"find me X under $Y\"), named-merchant transactions (\"buy this from Z.com\"), order tracking, ucp profile init, ucp doctor, carts, checkout, orders, and UCP setup/help. Falls back to merchant-hosted handoff when direct in-protocol checkout isn't available.
$npx -y skills add shopify/shopify-ai-toolkit --skill ucpInstalls into the current project.
Run `npx skills use "https://github.com/shopify/shopify-ai-toolkit" --skill "shopify/shopify-ai-toolkit/ucp"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/shopify/shopify-ai-toolkit" that are relevant to the current task. Run `npx skills add "https://github.com/shopify/shopify-ai-toolkit"` and select the relevant skills, then follow their instructions.