The discovery layer under
Claude's commerce agents.
In September 2026, Anthropic open-sourced Claude Commerce Agents — a reference blueprint for the shopping agent itself. It deliberately ships the agent, not the catalog integration — that's the piece every adopter has to build. We built it, and published it the same way Anthropic publishes its own reference code.
How the handoff works
The Claude Shopping Agent runs server-side on the retailer's own backend and calls discoverGPT through the StorefrontBackend interface. discoverGPT handles search, try-on, enrichment, and visibility; Shopify and Stripe still own cart, fulfillment, and payment.
For merchants
The AI shopping assistant a merchant gets through discoverGPT can now do three more things without any extra work on the merchant's side — all running on data the merchant has already given us. Nothing new to configure.
Product variant detail
Shows a shopper the full detail of a specific variant, not just search results
Multi-item cart add
Adds several items to a real cart in one step
Policy Q&A
Answers shipping, returns, and policy questions from the merchant's own store policies
For agencies
You can now pitch and build a genuine Claude-powered Shopping Agent for a merchant client, using discoverGPT as the entire backend — no search, cart, or checkout layer to build yourselves. Anthropic published the assistant half — the agent, the conversation flow, the guardrails — as an open reference design. We published the other half — the part that plugs into a real catalog — as our own separate open-source package. Point Anthropic's own reference agent at a merchant's discoverGPT account and have it working the same day.
For developers
Two concrete things shipped: three new REST endpoints on the gateway, and a new standalone open-source Python package.
Three new REST endpoints
A new open-source Python package
discovergpt-storefront-backend implements Anthropic's own StorefrontBackend interface. Any team building on Anthropic's commerce-agents blueprint can pip install it and get trimodal search, cart, checkout, and store policies working immediately — instead of writing that integration layer from scratch.
A runnable proof, not a claim
“discoverGPT is the discovery layer under Claude's commerce agents” isn't marketing copy here — it's a repo, pinned to Anthropic's exact commit, that anyone can clone and run against a real discoverGPT account today.
Building a Claude shopping agent?
Point it at a discoverGPT-connected storefront instead of building the backend yourself.
Get in touch →