generated: '2026-08-08'
method: searched
status: published
source: https://shop.bulletproof.com/api/ucp/mcp
discovery:
  advertised_in:
  - https://shop.bulletproof.com/agents.md
  - https://shop.bulletproof.com/llms.txt
  - https://shop.bulletproof.com/.well-known/ucp
server:
  name: universal-commerce
  version: 0.1.0
  transport: http
  url: https://shop.bulletproof.com/api/ucp/mcp
  canonical_url: https://bulletproof-coffee.myshopify.com/api/ucp/mcp
  protocol_version: '2024-11-05'
  capabilities:
    tools:
      listChanged: true
    prompts:
      listChanged: true
    resources:
      listChanged: true
    logging: {}
  platform: Shopify (Universal Commerce Protocol, ucp.dev)
  operator_note: This endpoint is served from Bulletproof's own storefront host and is advertised by Bulletproof's
    own agents.md, but the server implementation is Shopify's native UCP service rather than a Bulletproof-authored
    MCP server.
protocol:
  name: Universal Commerce Protocol
  spec: https://ucp.dev/2026-04-08/specification/overview/
  version: '2026-04-08'
  supported_versions:
  - '2026-04-08'
  - '2026-01-23'
  service_schema: https://ucp.dev/2026-04-08/services/shopping/mcp.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
  payment_handlers:
  - com.google.pay
  - dev.shopify.card
  - dev.shopify.shop_pay
access:
  tools_list: anonymous
  tools_call: Every call requires meta["ucp-agent"].profile — a resolvable agent profile URI. An unresolvable
    profile returns JSON-RPC -32001 "UCP discovery failed". Order and checkout tools additionally return
    -32000 "AuthenticationRequired" without a valid JWT (see https://shopify.dev/docs/agents/get-started/authentication).
  buyer_approval_required: true
  rate_limited: per IP (agents.md instructs back-off on 429)
tools_source: mcp/bulletproof-ucp-mcp-tools.json
tools_count: 13
tools:
- name: search_catalog
  category: catalog
  description: Search products by natural-language query and/or filters; paginated by cursor.
- name: lookup_catalog
  category: catalog
  description: Resolve up to 10 product or variant identifiers in one request.
- name: get_product
  category: catalog
  description: Complete product detail with variants, exact pricing and real-time availability.
- name: get_cart
  category: cart
  description: Get the cart contents.
- name: create_cart
  category: cart
  description: Creates a new cart.
- name: update_cart
  category: cart
  description: Perform updates to a cart.
- name: cancel_cart
  category: cart
  description: Cancels a cart.
- name: get_checkout
  category: checkout
  description: Checkout details including line items, totals, discounts and taxes.
- name: create_checkout
  category: checkout
  description: Creates a checkout.
- name: update_checkout
  category: checkout
  description: Updates a checkout.
- name: complete_checkout
  category: checkout
  description: Completes a checkout; accepts meta["idempotency-key"]; returns order ID and thank-you URL.
- name: cancel_checkout
  category: checkout
  description: Cancels a checkout.
- name: get_order
  category: order
  description: Get the details of an order.
x-evidence:
  fetched: '2026-08-08'
  probes:
  - method: POST tools/list
    url: https://shop.bulletproof.com/api/ucp/mcp
    http_status: 200
    result: 13 tools returned with full JSON Schema inputSchema
  - method: POST initialize
    url: https://shop.bulletproof.com/api/ucp/mcp
    http_status: 200
    result: serverInfo universal-commerce 0.1.0, protocolVersion 2024-11-05
  - method: POST tools/call get_order
    url: https://shop.bulletproof.com/api/ucp/mcp
    http_status: 403
    result: JSON-RPC -32000 AuthenticationRequired
deployment:
  mode: remote
  endpoint: https://shop.bulletproof.com/api/ucp/mcp
  verified: probed
  probe: live
  tools: 13
  checked: '2026-08-12'
  source: catalog MCP census