generated: '2026-08-02'
method: searched
source: https://shop.premierlacrosseleague.com/llms.txt
status: published
server:
  name: premier-lacrosse-league-shop
  transport: http
  protocol: JSON-RPC 2.0 over HTTP POST
  url: https://shop.premierlacrosseleague.com/api/ucp/mcp
  alternate_url: https://premier-lacrosse-league-shop.myshopify.com/api/ucp/mcp
  discovery: https://shop.premierlacrosseleague.com/.well-known/ucp
  vendor: Shopify (Universal Commerce Protocol implementation)
  scope: >-
    Merchandise commerce only. This MCP server exposes the league's Shopify storefront to shopping
    agents. There is no MCP server for PLL scores, schedules, standings or player statistics.
introspection:
  method: 'POST {"jsonrpc":"2.0","id":1,"method":"tools/list"}'
  attempted: '2026-08-02'
  http_status: 422
  result: gated
  error:
    code: -32001
    message: UCP discovery failed
    data_code: invalid_profile_url
    detail: 'Unable to fetch agent profile: Missing profile uri'
  note: >-
    tools/list requires the calling agent to present a resolvable UCP agent profile URI, so live
    inputSchema introspection is not available anonymously. The tool names and the canonical call
    order below are taken verbatim from the store's own published llms.txt / agents.md; their input
    schemas are defined by the UCP shopping service OpenRPC document referenced in the UCP profile
    (https://ucp.dev/2026-04-08/services/shopping/mcp.openrpc.json) and are NOT reproduced here.
tools:
- name: search_catalog
  description: Find products in the store matching the buyer's intent.
  source: https://shop.premierlacrosseleague.com/llms.txt
  capability: dev.ucp.shopping.catalog.search
- name: create_cart
  description: Create a cart and add the desired items.
  source: https://shop.premierlacrosseleague.com/llms.txt
  capability: dev.ucp.shopping.cart
- name: create_checkout
  description: Start the purchase flow for a cart.
  source: https://shop.premierlacrosseleague.com/llms.txt
  capability: dev.ucp.shopping.checkout
- name: update_checkout
  description: Set the shipping address and shipping method on a checkout.
  source: https://shop.premierlacrosseleague.com/llms.txt
  capability: dev.ucp.shopping.fulfillment
- name: complete_checkout
  description: Finalize the purchase. Requires explicit contemporaneous buyer approval of payment.
  source: https://shop.premierlacrosseleague.com/llms.txt
  capability: dev.ucp.shopping.checkout
capabilities_advertised:
  ucp_version: '2026-04-08'
  supported_versions:
  - '2026-04-08'
  - '2026-01-23'
  services:
  - dev.ucp.shopping
  capabilities:
  - dev.ucp.shopping.checkout
  - dev.ucp.shopping.fulfillment
  - dev.ucp.shopping.discount
  - dev.ucp.shopping.cart
  - dev.ucp.shopping.order
  - dev.ucp.shopping.catalog.search
  - dev.ucp.shopping.catalog.lookup
  - dev.shopify.catalog
  source: well-known/premier-lacrosse-league-shop-ucp.json
rules:
- Checkout requires human approval; agents must not complete payment without explicit buyer consent.
- The MCP endpoint is rate-limited per IP; back off on HTTP 429.
- Pass context.address_country and context.currency for accurate pricing and availability.
x-evidence:
  fetched: '2026-08-02'
  urls:
  - url: https://shop.premierlacrosseleague.com/llms.txt
    http_status: 200
    content_type: text/plain
  - url: https://shop.premierlacrosseleague.com/.well-known/ucp
    http_status: 200
    content_type: application/json
  - url: https://shop.premierlacrosseleague.com/api/ucp/mcp
    http_status: 422
    content_type: application/json
    note: JSON-RPC error -32001 invalid_profile_url on anonymous tools/list