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The books at or under their reorder point: time to order more.

This is d2hero, a Hero demo: one app, made by asking an AI in plain words —

A bookstore, made by asking an AI in one sentence. The books you sell, what's in stock, when each one came in, and what's running low.

Your AI keeps this page as it builds things for you, from your chat. You can edit it too.

The books the store sells and what's on the shelf. Dates are stored as dates (2026-10-04), not as text, so they sort and compare; how they show is up to the page.

The books the demo starts with.

the quirks of this build an AI agent should know

Sample prompts to give your AI, and what came back, by kind of user

Short how-tos, each a few steps. Pick what you want to do; the guides below go deeper.