generated: '2026-08-04'
method: searched
status: published
source: https://shop.katefarms.com/.well-known/ucp
server:
  name: kate-farms-ucp-shopping
  transport: http
  url: https://shop.katefarms.com/api/ucp/mcp
  canonical_url: https://kftest-bis.myshopify.com/api/ucp/mcp
  protocol: Universal Commerce Protocol (UCP)
  protocol_versions:
  - '2026-04-08'
  - '2026-01-23'
  protocol_spec: https://ucp.dev/2026-04-08/specification/overview/
  service: dev.ucp.shopping
  schema: https://ucp.dev/2026-04-08/services/shopping/mcp.openrpc.json
  platform: Shopify
introspection:
  attempted: '2026-08-04'
  method: POST {"jsonrpc":"2.0","id":1,"method":"tools/list"}
  http_status: 422
  gated: true
  error:
    code: -32001
    message: UCP discovery failed
    data_code: invalid_profile_url
    detail: 'Unable to fetch agent profile: Missing profile uri'
  note: The server requires a resolvable UCP agent profile URI before it answers tools/list, so live tool
    input schemas could not be retrieved anonymously. The tool names below are the ones Kate Farms itself
    publishes in its agents.md / llms.txt agent flow; their argument schemas are defined by the UCP shopping
    OpenRPC schema linked above, not authored here.
tools:
- name: search_catalog
  description: Find products in the Kate Farms catalog matching a buyer's intent.
  capability: dev.ucp.shopping.catalog.search
  source: https://shop.katefarms.com/agents.md
  input_schema: not retrieved (tools/list gated)
- name: create_cart
  description: Create a cart and add the desired items.
  capability: dev.ucp.shopping.cart
  source: https://shop.katefarms.com/agents.md
  input_schema: not retrieved (tools/list gated)
- name: create_checkout
  description: Start the purchase flow from a cart.
  capability: dev.ucp.shopping.checkout
  source: https://shop.katefarms.com/agents.md
  input_schema: not retrieved (tools/list gated)
- name: update_checkout
  description: Set the shipping address and shipping method on a checkout.
  capability: dev.ucp.shopping.fulfillment
  source: https://shop.katefarms.com/agents.md
  input_schema: not retrieved (tools/list gated)
- name: complete_checkout
  description: Finalize the purchase. Requires contemporaneous buyer approval of payment.
  capability: dev.ucp.shopping.checkout
  source: https://shop.katefarms.com/agents.md
  input_schema: not retrieved (tools/list gated)
capabilities:
- id: dev.ucp.shopping.catalog.search
  version: '2026-04-08'
  schema: https://ucp.dev/2026-04-08/schemas/shopping/catalog_search.json
- id: dev.ucp.shopping.catalog.lookup
  version: '2026-04-08'
  schema: https://ucp.dev/2026-04-08/schemas/shopping/catalog_lookup.json
- id: dev.ucp.shopping.cart
  version: '2026-04-08'
  schema: https://ucp.dev/2026-04-08/schemas/shopping/cart.json
- id: dev.ucp.shopping.checkout
  version: '2026-04-08'
  schema: https://ucp.dev/2026-04-08/schemas/shopping/checkout.json
- id: dev.ucp.shopping.discount
  version: '2026-04-08'
  schema: https://ucp.dev/2026-04-08/schemas/shopping/discount.json
- id: dev.ucp.shopping.fulfillment
  version: '2026-04-08'
  schema: https://ucp.dev/2026-04-08/schemas/shopping/fulfillment.json
  config:
    allows_multi_destination_shipping: false
    allows_method_combinations:
    - - shipping
- id: dev.ucp.shopping.order
  version: '2026-04-08'
  schema: https://ucp.dev/2026-04-08/schemas/shopping/order.json
- id: dev.shopify.catalog
  version: '2026-04-08'
  schema: https://shopify.dev/ucp/schemas/2026-04-08/shopify_catalog.json
  extends:
  - dev.ucp.shopping.catalog.search
  - dev.ucp.shopping.catalog.lookup
payment_handlers:
- id: gpay
  handler: com.google.pay
  version: '2026-01-11'
  merchant_name: Kate Farms
  merchant_origin: shop.katefarms.com
  card_networks:
  - VISA
  - MASTERCARD
  - AMEX
  - DISCOVER
- id: shopify.card
  handler: dev.shopify.card
  version: '2026-01-15'
  card_brands:
  - visa
  - master
  - american_express
  - discover
  - diners_club
- id: shop_pay
  handler: dev.shopify.shop_pay
  version: '2026-04-08'
rules:
- Checkout requires contemporaneous human approval; agents must not complete payment without explicit
  buyer consent (stated in agents.md).
- The MCP endpoint is rate-limited per IP; back off on 429 (stated in agents.md).
- Agents should pass context.address_country and context.currency for accurate pricing and availability
  (stated in agents.md).
x-evidence:
- url: https://shop.katefarms.com/.well-known/ucp
  http_status: 200
  content_type: application/json
  file: well-known/kate-farms-ucp.json
- url: https://shop.katefarms.com/api/ucp/mcp
  http_status: 422
  note: tools/list gated on agent profile
- url: https://shop.katefarms.com/agents.md
  http_status: 200
  file: llms/kate-farms-agents.md
deployment:
  mode: remote
  endpoint: https://shop.katefarms.com/api/ucp/mcp
  verified: probed
  probe: live
  tools: 13
  checked: '2026-08-12'
  source: catalog MCP census