generated: '2026-07-20'
method: searched
source: https://www.miyokos.com/.well-known/ucp and https://www.miyokos.com/llms.txt
name: Miyoko's Creamery Shopping (UCP)
status: published
status_raw: live
transport: mcp
hosted: true
endpoint: https://www.miyokos.com/api/ucp/mcp
protocol: Universal Commerce Protocol (UCP)
protocol_spec: https://ucp.dev
supported_versions:
- '2026-04-08'
- '2026-01-23'
authentication: Read/browse and discovery are unauthenticated. Checkout requires contemporaneous buyer
  approval; payment is routed through Shop Pay. The MCP endpoint requires a valid UCP agent profile URI
  on the request (a bare tools/list without a profile returns error -32001 invalid_profile_url).
services:
- id: dev.ucp.shopping
  transport: mcp
  endpoint: https://www.miyokos.com/api/ucp/mcp
  spec: https://ucp.dev/2026-04-08/specification/overview/
  schema: https://ucp.dev/2026-04-08/services/shopping/mcp.openrpc.json
- id: dev.ucp.shopping
  transport: embedded
  schema: https://ucp.dev/2026-04-08/services/shopping/embedded.openrpc.json
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
tools:
- name: search_catalog
  description: Find products matching the buyer's intent.
  status: documented
- name: create_cart
  description: Create a cart and add desired items.
  status: documented
- name: create_checkout
  description: Start the purchase flow.
  status: documented
- name: update_checkout
  description: Set shipping address and method.
  status: documented
- name: complete_checkout
  description: Finalize the purchase (buyer must approve payment).
  status: documented
rate_limits: Per-IP rate limiting on the MCP endpoint; back off on HTTP 429.
notes: This is a Shopify-native UCP commerce MCP surface, not a first-party developer MCP server authored
  by Miyoko's Creamery. Backing store is miyokos-kitchen.myshopify.com.
deployment:
  mode: unclear
  verified: searched
  tools: 5
  checked: '2026-08-12'
  source: catalog MCP census