Agents that build grocery carts, hunt deals, watch prices and place (or stage) orders. Each entry has a copy-paste prompt, difficulty, setup time and known pitfalls.
Elon Musk asked Grok Bot to research the most fun Lego Star Wars kits for young kids and order them — “as easy as that.” Follow-up reporting noted multiple sets totaling a few hundred dollars; treat purchase confirmation as mandatory for your own runs.
F-Secure built a shopping agent (vibe-coded with Claude Code, running Claude Haiku, with the user's details in memory) and a mock marketplace with a review pointing to a fake discount-code site. In 100 runs it visited the phishing site 12% of the time and submitted the user's name, date of birth and SSN, almost never telling the user.
A user set up a Grok Bot food prep team under his chief-of-staff bot: a Meal Organiser that knows the lunches and dinners he likes, a Shopper that fills his grocery cart, and a Cooking Bot that walks him through each meal. He says the shopping takes under 3 minutes versus about an hour at the shops or 30 minutes online, and meals take under 20 minutes. He checks out himself.
A native, clearly labelled card in the directory results.
Become the featured sponsor →A single SKILL.md holds schedules, dietary profiles and the custody calendar. It splits the grocery list across 4 stores by price and fills carts via Chrome MCP.
A skill built on McDonald's China's MCP server pulls the store menu and every available coupon, runs a deterministic optimizer, and finds the cheapest valid combo: a Big Mac meal went from ¥47.00 to ¥21.90 (53% saved).
A Hermes Agent skill opens the browser on mon-marche.fr when the author messages Telegram with something like “Create my usual cart on Mon Marché.” Minutes later a full cart is ready to order, with seasonal fruit and discounted items added for discovery. Credentials come from a dedicated 1Password service account so the agent never sees the whole vault.
The author asked Grok Bot to check every morning whether a Ninja Creami was on sale. The bot alerted when it was $50 off.
After years of spreadsheets and a vibe-coded app, the author built a Grok Bot that keeps recipes in Markdown, prints a weekly meal plan, and produces a shopping list that is pasted into ChatGPT to fill Instacart. Targets ~15 meals per week for the family. Bot template with recipe library access is linked.
A Redditor had ChatGPT agent mode build and place a pickup order at a local supermarket while he worked. His only rules were to avoid red meat, lean healthy, and stay under $150.
A tester used OpenAI's own example prompt, 'plan and buy ingredients to make Japanese breakfast for four.' Agent mode couldn't use her local grocers directly, so it shopped H-E-B through Instacart, and she took over the browser to log in.
A Verge reviewer asked Meta Muse to find a replacement steam wand for her six-year-old Breville espresso machine, and later to buy descaler and water filters.
A blogger gave Chrome auto browse a photo of a recipe card and asked for an Instacart cart under $80 to cook it for four.
A UK user told Grok Bot which supermarkets are near him, his preferences and whether substitutes are allowed, and keeps adding items as he goes. It builds his online baskets. If a basket misses a store's collection or free-delivery minimum, he uses it as a shopping list in that store's app instead.
A user found sandals on sale at Zappos, but the other colors she wanted were sold out in her size. She gave her "Shopaholic" Grok Bot the size, the colors and a budget: no more than the sale price she'd already found.
Helping his sister and mom shop for a Tesla, a user built a dedicated "Tesla Hunter" Grok Bot. It made itself an email address, found cars that ticked every box, and emailed dealerships to confirm they were available. Then he gave the dealers the bot's address so they could talk to it directly.
When the iPhone 18 Pro Max was sold out everywhere and Apple quoted end of October, a user gave Grok Bot a virtual card and told it to find one. It emailed stores, found one in stock, verified and ordered it, and had it delivered.
During India's Big Billion Days and Great Indian Festival sales, a user used Grok Bot to read live X posts about deals, codes and bank offers. He counted 15,600+ deal posts since Tuesday and warns X is noisy, so he checks price history and the real cart total himself.
A user who tried Meta's Muse for insurance quotes and online shopping says it kept missing the lowest price. In one case Muse said a product was $30 and out of stock on the brand's site; the user found it on Amazon for $25 and in stock on the brand's site. It also missed the cheapest home insurance quote, though it suggested ways to lower the premium.
A user who had been unimpressed with OpenAI's Operator tried ChatGPT Agent on comparison shopping he'd never have bothered to do himself. It compared options, added everything to the cart and handed control back so he could enter his card details.
A user's Grok Bot, named Ceres, collects their shopping list during the week and buys the groceries from their online supermarket every Wednesday at the agreed time. It tries to buy the same brands they bought before, suggests new products when needed, and warns them about unhealthy food.
A user's ChatGPT Dot joined a company's customer-service chat, introduced itself as their agent and negotiated a lower price. The store's bot negotiated back, then both bots asked their humans to confirm.
A couple shared their BabyList registry with Grok Bot, which checks the internet every day for good deals on the big-ticket items. It found the stroller they wanted for about 50% off at a reputable store they hadn't heard of. He gave it a Robinhood agentic credit card with limits, and it placed the order.
The agent orders groceries from the Rohlik store through its MCP endpoint, using the weekly meal plan.
Claude plans the week's meal prep every Sunday and launches Chrome to fill the online cart for curbside pickup. A separate daily job checks store ads for deals.
The agent tested coupon codes at checkout until it found ones that worked, saving $79.
One prompt produced a hosted comparison site for the Yamaha YDP-141 and Casio AP270, with pros, cons and review summaries, plus a Turkish language toggle.
The author gave Grok Bot a Paprika recipe export, the week’s meal plan, and what was already on hand. The bot figured out missing ingredients, added them to a Kroger pickup order, and the author picked it up the next day.
In Bali, the author connected Grok Bot to Grab and set a routine to order ~800 calorie meals every three hours — a blunt but concrete example of food delivery on a schedule.
A user sent their Grok Bot after a Best Buy price drop on something they'd bought and it came back with real money.
A Reddit post shares a workflow for ChatGPT agent mode to price items from sold listings, write the listings, post them and answer buyers over about 10 days, with little hands-on work from the poster.
A journalist viewing swimming goggles on one shopping site asked Comet's assistant to check the same product's price on other platforms and point out the cheapest.
A user in Tokyo bought Starlink before his building manager would allow it. Grok Bot confirmed the rules with the property management company in Japanese, then opened a return and refund ticket with Starlink support in English.
A user had Grok Bot chase two refunds in one week: a dead Amazon doorbell, and a cruise bill that charged a dinner twice. It opened the cruise line's chat to start the duplicate-charge claim.
A shopper realized his pickup order had gone to a store four hours away. He told Grok Bot to find the order number in his email, call the store, get through the phone menu, and cancel it.
A user shared a Grok Bot template called Grocery Lord. It builds meal plans from what you already have, plus live grocery ads and coupons, and reports only savings it can actually attribute.
A user gave Meta Muse and Grok Bot the same job: find a 3/8-inch to 1/4-inch camera tripod adapter, with the best deal and the fastest shipping.
A collector scheduled a Grok Bot "Pokémon deal finder" to scan eBay UK for auctions ending soon and Buy It Now listings, and to flag PSA 10 cards priced at least 20% under market.
A user who ordered a dog house online felt something was off. His Grok Bot went through every email with the company, pulled together the proof, found they weren't an authorized seller of what they advertised, and handled the back-and-forth until the order was cancelled and the refund issued.
A Grok Bot called Meal Ingredient Shopper turns a recipe photo or link plus "dinner for 6 at 7 PM" into a grocery cart. It asks what's in your pantry first, scales quantities, and says whether delivery will arrive in time. Nothing is ordered until you say yes, and you sign in to the store yourself.
Google says Gemini in Chrome's auto browse, now available to Android users in India, can use websites for you: ordering groceries, reserving parking for an event, filling long forms or planning a trip. It asks for confirmation before sensitive steps.
A trading card collector built a team of Grok Bots: one hunts Pokémon Center drops, one watches for Disney Lorcana drops and restocks, and "Carl the Card Researcher" checks prices. Send Carl a listing or a photo and it tells you whether the price is real, with the recent sold median, the market price and the gap after fees.
A shopper has a Grok Bot that picks out the buy-one-get-one deals (there are always some meat BOGOs) and plans meals around them. She says it used to take her hours and now takes less than a minute.