generated: '2026-08-05'
method: searched
source: https://100thieves.com/api/ucp/mcp
status: published
server:
  name: 100-thieves-ucp-shopping
  transport: http
  url: https://100thieves.com/api/ucp/mcp
  alternate_url: https://100t.myshopify.com/api/ucp/mcp
  protocol: MCP over JSON-RPC 2.0
  authentication: none
  discovery:
  - https://100thieves.com/.well-known/ucp
  - https://100thieves.com/agents.md
  - https://100thieves.com/llms.txt
  - https://100thieves.com/robots.txt
implements:
  protocol: Universal Commerce Protocol (UCP)
  service: dev.ucp.shopping
  version: '2026-04-08'
  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
  capabilities:
  - dev.ucp.shopping.cart
  - dev.ucp.shopping.checkout
  - dev.ucp.shopping.fulfillment
  - dev.ucp.shopping.discount
  - dev.ucp.shopping.order
  platform: Shopify
  note: >-
    The tool contract is defined by the UCP shopping service, not authored by 100
    Thieves. The endpoint, the merchant profile, and the store's agent policy are
    served from the 100 Thieves host.
tools_manifest:
  file: 100-thieves-tools-list.json
  method: probed
  source: 'POST https://100thieves.com/api/ucp/mcp {"jsonrpc":"2.0","id":1,"method":"tools/list"}'
  http_status: 200
  note: Saved verbatim. Every tool carries a full JSON Schema inputSchema — anonymous
    introspection is open, so no auth-gated fallback was needed.
tools:
- name: search_catalog
  category: catalog
  description: Search for products from the online store using natural-language queries,
    filter criteria, or both. At least one of query or filters is required. Paginated
    via pagination.cursor.
  required: [meta, catalog]
- name: lookup_catalog
  category: catalog
  description: Look up multiple products or variants by identifier in one call.
  required: [meta, catalog]
- name: get_product
  category: catalog
  description: Retrieve complete product detail by identifier.
  required: [meta, catalog]
- name: create_cart
  category: cart
  description: Creates a new cart.
  required: [meta, cart]
- name: get_cart
  category: cart
  description: Get the cart contents.
  required: [meta, id]
- name: update_cart
  category: cart
  description: Perform updates to a cart.
  required: [meta, cart, id]
- name: cancel_cart
  category: cart
  description: Cancels a cart.
  required: [meta, id]
- name: create_checkout
  category: checkout
  description: Creates a checkout. Returns line items, totals, discounts and taxes.
  required: [meta, checkout]
- name: get_checkout
  category: checkout
  description: Returns details about the checkout, including line items, totals and
    applicable discounts.
  required: [meta, id]
- name: update_checkout
  category: checkout
  description: Updates a checkout — used to set shipping address and delivery method.
  required: [meta, checkout, id]
- name: complete_checkout
  category: checkout
  description: Completes a checkout and returns the checkout result. Requires explicit
    contemporaneous human buyer approval of payment.
  required: [meta, id, checkout]
  human_approval_required: true
- name: cancel_checkout
  category: checkout
  description: Cancels a checkout.
  required: [meta, id]
- name: get_order
  category: order
  description: Get the details of an order.
  required: [meta, id]
coverage:
  tools_total: 13
  with_input_schema: 13
  categories:
    catalog: 3
    cart: 4
    checkout: 5
    order: 1
x-evidence:
  fetched: '2026-08-05'
  url: https://100thieves.com/api/ucp/mcp
  method: POST tools/list
  http_status: 200
  content_type: application/json