{
  "ucp": {
    "version": "2026-04-08",
    "services": {
      "dev.ucp.shopping": [
        {  
          "version": "2026-04-08",
          "spec": "https://ucp.dev/2026-04-08/specification/overview",
          "transport": "mcp",
          "schema": "https://ucp.dev/2026-04-08/services/shopping/mcp.openrpc.json"
        }
      ]
    },
    "capabilities": {
      "dev.ucp.shopping.catalog.search": [
        {
          "version": "2026-04-08",
          "spec": "https://ucp.dev/2026-04-08/specification/catalog",
          "schema": "https://ucp.dev/2026-04-08/schemas/shopping/catalog_search.json"
        }
      ],
      "dev.ucp.shopping.catalog.lookup": [
        {
          "version": "2026-04-08",
          "spec": "https://ucp.dev/2026-04-08/specification/catalog",
          "schema": "https://ucp.dev/2026-04-08/schemas/shopping/catalog_lookup.json"
        }
      ],
      "dev.ucp.shopping.cart": [
        {
          "version": "2026-04-08",
          "spec": "https://ucp.dev/2026-04-08/specification/cart",
          "schema": "https://ucp.dev/2026-04-08/schemas/shopping/cart.json"
        }
      ],
      "dev.ucp.shopping.checkout": [
        {
          "version": "2026-04-08",
          "spec": "https://ucp.dev/2026-04-08/specification/checkout",
          "schema": "https://ucp.dev/2026-04-08/schemas/shopping/checkout.json"
        }
      ],
      "dev.ucp.shopping.order": [
        {
          "version": "2026-04-08",
          "spec": "https://ucp.dev/2026-04-08/specification/order",
          "schema": "https://ucp.dev/2026-04-08/schemas/shopping/order.json"
        }
      ],
      "dev.ucp.shopping.fulfillment": [
        {
          "version": "2026-04-08",
          "spec": "https://ucp.dev/2026-04-08/specification/fulfillment",
          "schema": "https://ucp.dev/2026-04-08/schemas/shopping/fulfillment.json",
          "extends": "dev.ucp.shopping.checkout"
        }
      ],
      "dev.ucp.shopping.discount": [
        {
          "version": "2026-04-08",
          "spec": "https://ucp.dev/2026-04-08/specification/discount",
          "schema": "https://ucp.dev/2026-04-08/schemas/shopping/discount.json",
          "extends": [
            "dev.ucp.shopping.checkout",
            "dev.ucp.shopping.cart"
          ]
        }
      ],
      "dev.ucp.shopping.buyer_consent": [
        {
          "version": "2026-04-08",
          "spec": "https://ucp.dev/2026-04-08/specification/buyer-consent",
          "schema": "https://ucp.dev/2026-04-08/schemas/shopping/buyer_consent.json",
          "extends": "dev.ucp.shopping.checkout"
        }
      ],
      "dev.ucp.shopping.ap2_mandates": [
        {
          "version": "2026-04-08",
          "spec": "https://ucp.dev/2026-04-08/specification/ap2-mandates",
          "schema": "https://ucp.dev/2026-04-08/schemas/shopping/ap2_mandate.json",
          "extends": "dev.ucp.shopping.checkout"
        }
      ],
      "dev.shopify.catalog": [
        {
          "extends": [
            "dev.ucp.shopping.catalog.search",
            "dev.ucp.shopping.catalog.lookup"
          ],
          "version": "2026-04-08",
          "spec": "https://shopify.dev/docs/agents/catalog/storefront-catalog-extension",
          "schema": "https://shopify.dev/ucp/schemas/2026-04-08/shopify_catalog.json",
          "requires": {
            "protocol": {
              "min": "2026-04-08"
            }
          }
        }
      ],
      "dev.ucp.common.identity_linking": [
        {
          "version": "2026-04-08",
          "spec": "https://ucp.dev/2026-04-08/specification/identity-linking",
          "schema": "https://ucp.dev/2026-04-08/schemas/common/identity_linking.json",
          "config": {
            "scopes": {
              "dev.ucp.shopping.order:read": {},
              "dev.ucp.shopping.order:manage": {},
              "dev.ucp.shopping.checkout:manage": {}
            }
          }
        }
      ]
    },
    "payment_handlers": {
      "dev.shopify.shop_pay": [
        {
          "id": "shop_pay",
          "version": "2026-01-11",
          "spec": "https://shopify.dev/docs/agents/checkout/shop-pay-handler",
          "config_schema": "https://shopify.dev/ucp/shop-pay-handler/2026-01-11/config.json",
          "instrument_schemas": [
            "https://shopify.dev/ucp/shop-pay-handler/2026-01-11/instrument.json"
          ]
        }
      ],
      "com.google.pay": [
        {
          "id": "gpay",
          "version": "2026-01-11",
          "spec": "https://pay.google.com/gp/p/ucp/2026-01-11/",
          "config_schema": "https://pay.google.com/gp/p/ucp/2026-01-11/schemas/config.json",
          "instrument_schemas": [
            "https://pay.google.com/gp/p/ucp/2026-01-11/schemas/card_payment_instrument.json"
          ]
        }
      ]
    }
  },
  "signing_keys": [
    {
      "kid": "facetimefy-1786684970",
      "kty": "EC",
      "crv": "P-256",
      "x": "NRAYo6r_GiWfAv1vm0B3eDy9m8rAfYQnGJ5GpAdj37w",
      "y": "YTN5qsaNnBGVi9wrZjDER5Rjj62C2ULnb4A0WbJ71Bg",
      "use": "sig",
      "alg": "ES256"
    }
  ]
}