Can an AI agent buy from britishessentials.com?

Unknown: ONAA's last checkout probe failed (network or protocol error).

Last checked: 2026-11-15T01:44:18.336584+00:00
Result: Last check failed
Protocol: ucp-mcp
Agent can pay alone: unknown
Payment options at checkout: none seen
Buyer must provide: nothing reported
Ships to (tested): none of the tested countries
No delivery to (tested): -
Agent shopping endpoint: https://british-essentials.myshopify.com/api/ucp/mcp

How an agent buys here

ONAA could not complete a checkout probe here; the steps below follow the store's declared protocol and are untested.
Connect: Universal Commerce Protocol over MCP (ucp-mcp version 2026-08-25) at store.endpoint_url.
Identify your agent: send the header UCP-Agent: profile="<https URL of your UCP agent profile>" (and the same profile in the tool call meta "ucp-agent").
Find the product: call search_catalog with your query and context {"address_country": "US", "currency": "USD"}.
Create a checkout: create_checkout with the variant id and quantity and the same context. The response shows the total, delivery options and any messages.
Pay only with the buyer's authorisation, under the store's terms. ONAA is not a party to the purchase, holds no funds and cannot pay for you.

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