Shopify Developer changelog02 phút
Storefront MCP cart tools are being deprecated in favour of UCP Cart MCP
Shopify is deprecating the cart tools on its Storefront MCP server in favor of new UCP-conforming Cart MCP tools. The new tools implement the UCP cart capability (dev.ucp.shopping.cart, version 2026-04-08) and expose four operations: create, get, update (PUT semantics), and cancel a cart. Developers must migrate their integrations before August 31, 2026, update endpoints, include a meta object with ucp-agent.profile in every request, add an idempotency key for cart creation, and send the complete line items array on every update rather than patching individual fields.