PurelyB Shopping (UCP)
PurelyB is a Shopify storefront that exposes a hosted, remote MCP server via the Universal Commerce Protocol (UCP, ucp.dev) for agent-driven commerce. The server implements the dev.ucp.shopping service (catalog search, cart, checkout, fulfillment). It is a standards server provisioned by Shopify, not a bespoke PurelyB build.
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Documentation
Documentation link · transport streamable-http
Tools
search_catalog—create_cart—create_checkout—update_checkout—complete_checkout—
About MCP
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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