commerce-bots

Shopify Cart MCP (Official)

shopify-cart-mcp

storefrontshopifyshopify-plus

Shopify's UCP Cart MCP — lets an agent build and iterate on a cart (line items, localization, buyer context) ahead of checkout. New in the Spring '26 agentic-commerce surface.

When to use

Assembling and updating a Shopify cart from an agent before handing off to checkout, via UCP.

When not to use

You only need product discovery (use Catalog MCP) or you need to complete payment (use Checkout MCP).

Open source

Free, functional integration code you run yourself.

Get the code →GitHub ↗

Premium · managed ✦

We run it in production for you — idempotent writes, automatic retries, full visibility.

Run it for me →
Source / docs ↗Docs ↗

What you need to integrate

Authentication

none · documented

Requirements

  • Rate limits: documented
  • Tool-definition budget: 0 tok

Setup checklist

  1. No authentication required.
  2. Set environment variables: SHOPIFY_STORE_DOMAIN, SHOPIFY_AGENT_PROFILE_URL.

Env: SHOPIFY_STORE_DOMAINSHOPIFY_AGENT_PROFILE_URL

Docs & known issues

Evaluation

Create operations✗ not idempotent
Update operations✗ not idempotent

Drafted — agentic-checkout idempotency not yet harness-verified.

Works with

See the full compatibility list.