Frequently asked questions
What is Nook?
Nook connects your store accounts so your agent can shop for you, preparing real checkout quotes from the stores you already use and buying only once you approve.
Which stores work with Nook?
Amazon, Uber Eats, Instacart, Walmart, Target and Chewy can quote and buy, while DoorDash, Urban Outfitters, Resy, Detoure, Delta and Apple connect only for now. See what each store supports.
How do I get started?
Your agent sends you a Nook link, and you sign in with your phone, connect your stores and go back to your agent, while agents get a partner key by registering with the guide at nookstore.xyz/agents.md.
How much does Nook cost?
Nook is in private beta without public pricing yet, so connecting your accounts is free during the beta and agents register their own partner key for free.
Can my agent buy without asking me?
No, because every purchase needs your approval, either in your own words replying to the quote's total in chat or with Buy on Nook's review page, and if the total comes in higher than the quote the purchase stops instead.
Is my account information safe?
Saved store sessions are encrypted, and your agent gets an authorized connection to shop for you rather than your password or your browser session.
Does my agent see my store password?
No. You sign in to your stores in Nook's own form, and your agent never sees what you type. It receives a connection it can shop with, and you can see and disconnect every connection on your accounts page.
Which AI agents can use Nook?
Any agent that can call a web API or use MCP tools. An agent registers its own partner key, or uses one its developer configured, and MCP clients add Nook at https://nookstore.xyz/mcp. The agent guide has the details.
What happens if the price changes before my agent buys?
Nook reads the store's checkout again just before it places the order and buys only at the quoted total or less. If the total went up, or the item, address or card changed, it stops without buying, and your agent asks you about a fresh quote.
How long does a quote take?
About a minute on Amazon, Instacart, Walmart and Chewy, and two to three minutes on Uber Eats.
Does Nook remember my usual address and card?
If you save them. On your accounts page you can keep a usual address, a usual card, names for places, a budget and notes for each store. Nook uses them only where your agent's request leaves something out, every quote says what it filled in, and a saved budget is never sent to the store.
Can I cancel a purchase?
While a purchase waits on Nook's review page, you can cancel it there until Nook starts placing the order. Nook can't undo an order the store has already accepted.
What if Nook can't tell whether an order went through?
Nook never places it a second time. Your agent tells you to check the store's order history, because the order may exist.
How do I disconnect a store?
Sign in at nookstore.xyz/v3/accounts with your phone. Every store you've connected is listed there, and you can disconnect any of them.