---
title: "Nook blog"
description: "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."
canonical: https://nookstore.xyz/blog
last_updated: 2026-11-05
---

# 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](/blog/how-ai-agents-checkout-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.

Published 2026-11-05. Markdown: [/blog/how-ai-agents-checkout-online.md](/blog/how-ai-agents-checkout-online.md)

## [Nook vs building your own agent shopping integration](/blog/nook-vs-diy-agent-shopping)

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.

Published 2026-11-05. Markdown: [/blog/nook-vs-diy-agent-shopping.md](/blog/nook-vs-diy-agent-shopping.md)

## [Best stores for AI agent shopping](/blog/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.

Published 2026-11-05. Markdown: [/blog/best-stores-for-ai-agent-shopping.md](/blog/best-stores-for-ai-agent-shopping.md)

## [Let ChatGPT, Claude, or Cursor buy — with your approval](/blog/let-chatgpt-claude-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.

Published 2026-11-05. Markdown: [/blog/let-chatgpt-claude-buy-with-your-approval.md](/blog/let-chatgpt-claude-buy-with-your-approval.md)

## [What is Checkout Bench?](/blog/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.

Published 2026-11-05. Markdown: [/blog/what-is-checkout-bench.md](/blog/what-is-checkout-bench.md)

## [AI agent shopping FAQ](/blog/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.

Published 2026-11-05. Markdown: [/blog/ai-agent-shopping-faq.md](/blog/ai-agent-shopping-faq.md)