According to the write-up, the repo holds about 2,400 lines of C++ firmware for the M5Stack PaperMono, an ESP32-S3 with an e-paper touchscreen. A small FastAPI and SQLite server sits between the device and a phone web UI. It works as a fridge shopping list grouped by aisle, with offline use and queued edits.
Comparing products, prices and delivery options is slow work for a human and fast work for an agent. Cases like this show agents doing the legwork before anything gets bought. It is one of 65 sightings filed under Shopping on Agent Sightings (number 64 by interest), and one of 164 involving Claude Code.
How you could try it
Here is a reusable prompt, written by us in our own words, that captures the task. Paste it into Claude Code or any similar agent and adjust the details to your situation.
Shopping task: build e-ink fridge shopping list firmware. Collect order/policy details, prepare exact steps, and pause before submit or payment.
Tip: Ask the agent to stop before checkout and show you the final basket, price and delivery date before you confirm.
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Negotiate bills, handle returns and cancel subscriptions· Meta Muse · Shopping Muse challenge lore from Meta folks: AT&T bill talked down, Amazon returns queued, IKEA furniture sent back, vet claim filed, dusty book-club sub…
Cancel an Amazon subscription and get a refund· Codex · Shopping From the linked report, someone asked Codex to obtain a refund for an Amazon subscription. Codex navigated the account settings to cancel it, then…
Book the best-priced flight and later refund it· Claude Code · Travel & Booking A published walkthrough shows someone asked Claude Code to find the best price, and it booked the flight on its own three months ahead. Separately…
Build a DIY slide tower with a subagent· Claude Code · Home & Family A parent spun up a Claude Code subagent to help design and document building a backyard slide tower for their child.