generated: '2026-07-19' method: searched status: published source: https://footway.com/llms.txt source_discovery: https://footway.com/.well-known/ucp server: name: footway-ucp-commerce description: >- Universal Commerce Protocol (UCP) MCP endpoint for the footway.com Shopify storefront. Agents use it for buyer-approved, agent-driven commerce: catalog search, cart creation, and checkout. Checkout requires explicit, contemporaneous buyer approval of payment; agents that cannot obtain it are directed to route purchases through Shop Pay via https://shop.app/SKILL.md. transport: mcp endpoint: https://footway.com/api/ucp/mcp upstream_endpoint: https://waylet-com.myshopify.com/api/ucp/mcp protocol: Universal Commerce Protocol (UCP) supported_versions: - '2026-04-08' - '2026-01-23' spec: https://ucp.dev/2026-04-08/specification/overview/ schema: https://ucp.dev/2026-04-08/services/shopping/mcp.openrpc.json auth: Shopify Customer Account OIDC/OAuth 2.0 (see authentication/footway-authentication.yml) notes: >- The endpoint requires a UCP agent-profile handshake (a profile URI) before tools/list; an unauthenticated tools/list returns UCP error invalid_profile_url. The tools below are the buyer-facing UCP shopping tools the store documents in its own /llms.txt "Typical Agent Flow" and advertises as capabilities in /.well-known/ucp. tools: - name: search_catalog description: Find products matching the buyer's intent (dev.ucp.shopping.catalog.search) - name: create_cart description: Create a cart and add desired items (dev.ucp.shopping.cart) - name: create_checkout description: Start the purchase flow from a cart (dev.ucp.shopping.checkout) - name: update_checkout description: Set shipping address and method on a checkout (dev.ucp.shopping.fulfillment) - name: complete_checkout description: Finalize the purchase; buyer must approve payment (dev.ucp.shopping.order) capabilities: - dev.ucp.shopping.catalog.search - dev.ucp.shopping.catalog.lookup - dev.ucp.shopping.cart - dev.ucp.shopping.checkout - dev.ucp.shopping.fulfillment - dev.ucp.shopping.discount - dev.ucp.shopping.order - dev.shopify.catalog payment_handlers: - com.google.pay - dev.shopify.card