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Merchant MCP

What is Merchant MCP?

A merchant-operated MCP server exposing catalogue, cart, inventory and checkout tools that shopping agents can call. The minimum viable interface for a brand to participate in agentic commerce.

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Agentic commerce
MCP, agent tool calls and product feeds: the merchant’s guide to what to implement first
Shopify made catalogue, cart and checkout tool-calling free and automatic in August 2026. Here is what that changes about MCP, OpenAI tools and Google’s agent feed, what it deliberately does not give an agent, and a vendor-ready RFP template.

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Real storefronts using the thing this page defines.

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