ZBiotics Universal Commerce (UCP) MCP Server
ZBiotics exposes a live Model Context Protocol server on its own domain at /api/ucp/mcp. It implements the Universal Commerce Protocol (UCP) dev.ucp.shopping service and answers tools/list and initialize without credentials, returning 13 tools with full JSON Schema 2020-12 inputSchemas covering catalog search/lookup, cart, checkout and order retrieval for the ZBiotics store. Discovery is open; invocation is not - tools/call requires a dereferenceable ucp-agent profile URI, and get_order additionally requires a customer-account JWT.
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Documentation
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Tools
search_catalog— Search for products from the ZBiotics online store.lookup_catalog— Look up multiple products or variants by identifier (1-10 ids per call).get_product— Retrieve complete product detail by identifier; returns a single product.get_cart— Get the cart contents.create_cart— Creates a new cart from line_items (product variant id + quantity).update_cart— Perform updates to a cart.cancel_cart— Cancels a cart.get_checkout— Returns checkout details including line items, totals, discounts and taxes.create_checkout— Creates a checkout.update_checkout— Updates a checkout (shipping address, fulfillment method, payment instruments).complete_checkout— Completes a checkout and returns the order ID / Thank You Page URL. Buyer approval of payment is required; the provider states agents must not complete payment without it.cancel_checkout— Cancels a checkout.get_order— Get the details of an order by gid://shopify/Order/{id}.
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The Model Context Protocol (MCP) is an open protocol Anthropic introduced for connecting LLM-based agents to external tools and data sources. Providers publish MCP servers that expose their API surface as structured, discoverable tools — an MCP-compatible client (Claude Desktop, Cursor, Cline, Continue, etc.) can connect to the server and call its tools without any per-provider integration code.
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