Nook blog
How AI agents shop and check out with Nook: real checkout quotes, the person's approval, which stores work, and how Checkout Bench grades models. Every post is also available as Markdown: add .md to its address.

How AI agents check out online
AI agents cannot finish a real purchase from a search result. Here is how checkout actually works — and how Nook lets an agent quote the store's own totals and buy only after the person approves.

Nook vs building your own agent shopping integration
Thinking about letting an agent shop by driving store websites yourself? Compare that path with Nook: real checkout quotes, encrypted sessions, required approval, and one API across stores.

Best stores for AI agent shopping
The stores an AI agent can quote and buy from with Nook today — Amazon, Uber Eats, Instacart, Walmart, Target, and Chewy — plus the accounts you can connect now for later.

Let ChatGPT, Claude, or Cursor buy — with your approval
A step-by-step guide for people who already use ChatGPT, Claude, or Cursor and want those agents to request real store checkouts — and buy only after they say yes.

What is Checkout Bench?
Checkout Bench grades AI models on real, signed-in store checkouts — the same shopping requests, scored against the final cart. Measured scores are not published yet; the homepage leaderboard is illustrative.

AI agent shopping FAQ
Straightforward answers to the questions people ask before letting an AI agent shop: which stores work, whether it can buy without asking, what it costs, who sees passwords, and how to cancel.