Use an agent to plan meals and fill the grocery cart

A single dad had Hermes make weekly meal plans and build grocery carts, with some manual help for login and browser issues.

Done with Hermes Agent· Intermediate· Sep 2026

What they did
The user started by sharing their height, weight, diet limits, and weight-loss target so Hermes could draft a meal plan. They then had it turn that plan into a grocery order. Hermes looked into ordering paths, opened Walmart in Chromium using Chrome DevTools and browser-control tools, checked the page structure, and ran small scripts to add products and change quantities. The user handled the login themselves and steered it toward the correct browser when needed.
How it went
It assembled the cart from start to finish and replaced ingredients when some local products were out of stock, which saved the user a lot of time and effort. It was not fully autonomous: Walmart's own browser flow broke when changing quantities, and login plus bot checks still needed a person.
Tips
This works best when you expect to review the final cart before anything is submitted. If the store uses bot protection or a fragile checkout flow, plan for a human to sign in and step in on edge cases.

Try it yourself with Hermes Agent

Each [week/day], look at this week’s [store] weekly ad at [URL] and create a [breakfast/lunch/dinner] plan for [number] people that matches [dietary limits] and [budget]. Use sale items when they fit, and if a listed ingredient is unavailable, swap in a similar option from the same store. Then build a grocery cart organized by store section and show me the plan, item list, and total cost. Stop before checkout, payment, or submitting the order, and ask for my approval first. If I need to sign in or solve any verification step, pause and tell me what you need from me.

Fill in the [brackets]. Agents can make mistakes, so review anything before it is sent, paid or deleted.

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