AI agent use cases for Shopping & Errands
Groceries, price hunting, returns, and the errands you keep putting off. 72 real use cases. 50 were done with 15 named agents, most often ChatGPT Agent and Meta Muse; 22 with custom-built, lesser-known or unnamed ones. Each links to its source and comes with a prompt to try.
72 use cases · 15 named agents · Updated Oct 8, 2026
All 72 Shopping & Errands use cases
Fill a supermarket cart with agent mode for pickup
Agent mode added groceries to the cart at a local supermarket while the poster worked, for pickup the next morning.
How it went It completed the grocery order without issues, and the poster said the resulting list was workable for them. They also said it did only an okay job and would likely do better with more specific meal-based instructions.
3 accounts
Build and order a grocery cart from an idea
Through the Instacart connector, Muse turns an idea like Taco Tuesday into a cart at the preferred store, checks out and arranges delivery.
How it went No performance numbers or completion rates are stated. The feature is presented as a direct re-skin of the existing Instacart experience.
2 accounts
Negotiate a car purchase between dealers
OpenClaw researched prices, searched dealer inventory, filled contact forms and played quotes against each other for $4,200 off; it messaged a wrong dealer once.
How it went Reddit research put typical Massachusetts prices near $58,000. The negotiation won a $4,200 discount, bringing the price to about $56k, and one dealer added $500 to close that night. The agent once messaged the wrong dealer.
4 accounts
Auto-buy items when the price hits a target
Alexa's shopping assistant sets price alerts and can auto-buy Amazon-fulfilled items at a target price with the default payment method, and schedules recurring purchases.
How it went The article describes the features but doesn't report a hands-on test or savings figures. Auto Buy covers only Amazon-fulfilled items and requires Prime. Sponsored products appear in recommendations.
4 accounts
Find coffee makers under $100 and add options to the cart
Perplexity Comet searched Amazon for coffee makers with a grinder, built a comparison table and added two options to the cart, stopping before purchase.
How it went The task completed successfully, and Comet stopped at the cart page without trying to buy, which the testers called correct. The article gives no timing for Comet on this task.
3 accounts
Agents used
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The best things people got an AI agent to do, each with the prompt to try it.
- Custom agent
Phone local stores to check product stock
A Grok-based personal assistant used Bland.ai to call local stores, hold conversations about stock, and return full transcripts with availability.
2 accounts
Shop for Raspberry Pi parts on Amazon with Claude
Claude searched Amazon for a Raspberry Pi, asked about mic and speaker options, and added items to the basket in about 15 minutes, slower than manual.
2 accounts
Search Facebook Marketplace and tabulate results in Sheets
A user tries to have Claude in Chrome search Marketplace items and log them in a Google Sheet, but constant permission prompts get in the way.
Find a toy and start checkout with Operator
OpenAI's Operator picked a toy matching criteria and opened Target.com but did not complete the purchase, walking the user through checkout.
- Claude
Plan and order a week of groceries with Claude
The poster used Claude on Mac and iOS to plan and order a week of groceries, with partial success, and will keep using it up to the grocery-list step.
5 accounts
Draft refund emails from a photo and Gmail receipt
Cowork finds the receipt in Gmail, extracts the order number and date, and drafts a refund email for the user to review and send.
2 accounts
Compare grocery prices across stores from a list
A tech worker built a Gemini browser agent that takes a typed or scanned handwritten grocery list and compares prices on Amazon Fresh and Flipkart Minutes.
Hand consumer errands to an always-on agent
A journalist tested Dot on ISP signup, an Ikea account and food ordering; it finished only some with human help, blocked by browser checks and payment steps.
- MoltBot
Get competing car quotes from dealerships and negotiate a lower price
An agent filled out web forms at 8-10 dealerships and emailed competing quotes against each other, reaching a deal that saved over $4,200 in three days.
3 accounts
Monitor Amazon and eBay prices and email on changes
An n8n workflow checks product URLs from a Google Sheet three times a day, compares prices, emails changes and logs every check.
3 accounts
Fill a supermarket cart from regular purchases and sales
A developer built a Claude Code skill using Silpo's MCP server to re-add usual groceries, check sales and fill the real cart within a budget, leaving checkout to the human.
Hunt high-value Pokémon cards on eBay overnight
An engineer built a Codex agent that browses eBay listings, extracts PSA certificate numbers and cross-references known prices while he sleeps.
- Qwen 3.6 27B
Order groceries online with a local LLM skill
The author built a grocery skill for a local Qwen 3.6 27B model that knows their fridge contents, past orders and real-time stock, and it ordered products for them online.
- ChatGPT
Plan meals and fill an Instacart cart
The author used ChatGPT with the Instacart plugin to build a daily meal plan and put the ingredients into a ready-to-order shopping list.
- Instacart Clementine
Build a grocery cart from purchase history
Instacart's AI assistant built a 27-item cart from the shopper's purchase history, turned dinner ideas into carts and flagged unavailable items.
Research buying a yak
Manus navigated sites, handled pop-ups and summarized findings, but took 15 minutes, used 300 credits, and needed manual takeover when stuck.
- Custom agent
Buy headphones during a sale with an AI agent
An AI agent bought headphones for the poster; they also use a browser extension for sale purchases and price-drop alerts.
2 accounts
Buy homemade pizza ingredients from Walmart
A reviewer had ChatGPT Agent shop at Walmart for pizza ingredients, handing control back briefly for an anti-bot check.
2 accounts
Plan meals and place grocery orders from a Google Doc
Claude and Muse handle meal planning, pantry inventory and recipe tracking, then Muse reads a Google Doc and places the grocery order in a browser, with the poster confirming payment from their phone.
Pre-stage household grocery carts from Instacart history
An OpenClaw add-on scrapes Instacart order history, predicts what the household is running out of, fills the cart twice weekly and texts; nothing ships until the user taps Place Order.
2 accounts
Order dinner by voice via Grubhub and Uber Eats
A writer ordered dinner conversationally with Alexa+ through linked Grubhub and Uber Eats accounts, including customizing and changing the order.
2 accounts
Build an Instacart list for a charcuterie board
Comet added about 20 items to an Instacart cart from ShopRite in about five minutes, choosing cheapest or bestselling items, and declined to purchase.
2 accounts
Click add-to-cart button on a website with computer use
Víctor Paytuvi had Claude computer use find and click a site's add-to-cart button on the first try after Gemini failed.
Fill a grocery basket from a regular-items sheet
Claude in Chrome added about 24 items to an ASDA basket from a Google Sheet, but the user still had to fix items and check out.
Order pens and search for reservations and resorts
Operator found a 144-pack of pens on Staples after Amazon blocked it; restaurant booking failed and the resort search chose random dates.
- Claude
Let AI agents place DoorDash orders
DoorDash's dd-cli beta lets agents order food, with a demo of Claude completing a full order end to end.
Email Houston dealerships to shop for a car
Cowork built a dealership tracking sheet, sent outreach emails, filled web forms and managed replies; a separate 100+ receipt expense job hit limits and moved to Claude Code.
Find holiday gifts and check stock and sales
A writer used the Gemini app and its agentic feature to find gift ideas and retailers and check stock and sales, noting some features weren't fully ready.
Track rare coffee beans with a scheduled Dot
A user had a Dot monitor rare US coffee beans twice a day using context from old chats, and it returned Gesha options priced per cup.
- Custom agent
Let Claude buy a game autonomously
The poster built payment infrastructure so Claude could complete a game purchase on its own when told to, in about 60 seconds.
Find and buy a same-day-delivery fern as a gift
In Agent mode the author had ChatGPT search local plant shops and fill the checkout form, stopping for him to click buy, then reported the order with tracking.
2 accounts
List a Quest 3 and negotiate with buyers
Meta Muse listed a Meta Quest 3 on Facebook Marketplace and was instructed to negotiate with buyers using a floor price and push strategy.
Build an e-commerce agent with OpenClaw
Poster spent 100+ hours and 200M+ tokens building an e-commerce workflow agent with OpenClaw; post focuses mostly on the build effort.
Schedule recurring restocking of household essentials
Users create Scheduled Actions in Alexa for Shopping to add kids' snacks monthly and restock pet food, paper towels and detergent; vendor material.
Book a gym tour and compare memberships with Comet
NBC tested Comet on job applications, shopping and a gym tour; it needed intervention, booked the tour after prodding, and built a price comparison chart.
Order pizza for a group with computer use
Anthropic engineers had Claude computer use navigate DoorDash and choose pizzas for a group.
Shop on Amazon and build pages with the Claude Chrome extension
A reviewer used the Claude Chrome extension for Amazon shopping, building an interactive model timeline from one prompt, and translating and summarizing pages; one screenshot bug appeared.
Order groceries with computer-use agents
The author tried Operator and two other computer-use agents on grocery shopping and found the experience too poor for ordinary consumers.
- Custom agent
Track pantry stock from receipts and buy groceries
A custom AI system reads receipts, estimates kitchen stock, checks grocery store availability and prices, buys groceries, and suggests recipes.
Test OpenAI's Agent on online shopping
The agent got partway through buying dress shoes before the poster had to enter the card, then hit Amazon bot protection and could not reliably shop, book or reserve.
Shop for cars on websites with a browser agent
The poster uses Muse to shop for cars online and finds a persistent logged-in browser profile with normal pacing works best as sites start blocking it.
Order office groceries from Slack requests
A startup's OpenClaw agent collects Slack requests, compiles a list, gets approval, builds the Instacart cart via ChatGPT's app, and posts the link back.
Turn a handwritten list into a grocery order
A TechRadar writer scans a handwritten shopping list into Alexa and places an Amazon Fresh or Whole Foods order from it to avoid crowded stores.
Find and add high-meat cat food to a basket
A reviewer had Comet's assistant find the cat food with the most meat and add it to the basket, plus some product comparison and form filling, though imperfectly.
Find vegetarian restaurants and save notes via computer use
The author ran Anthropic's computer-use demo in Docker and had Claude find 5 vegetarian-friendly restaurants near Bond Street and save details to a notepad file.
- Custom agent
Shop for a shirt and place the order
An AI agent compared six brands on sizing, return policies, and shipping minimums, found the nearest store, picked a size, and ordered a white dress shirt.
Watch item prices and email on drops
A commenter set up a ChatGPT price watch on items they want and gets an email only when the price drops.
Shop for shorts and handle email via an agent
A TechRadar reviewer had Muse find shorts in their size and request an Amazon login to buy, and also work on their email.
Buy products through an agent and track the order
Per Rye, a user had his OpenClaw agent find products and check out via Rye's checkout API, with items delivered and order status polled afterwards.
Order groceries from Amazon Fresh and Whole Foods
Alexa+ orders groceries, tracks past purchases and remembers recipes and dietary preferences.
- Custom agent
Scan thrift store items and flag good deals
An agent processes video frames from a thrift store, looks up online prices for items, and alerts the user to good deals.
Buy items on Amazon from a photo
Author used ChatGPT Agent to reorder an item from a photo of its wrapper, handling the whole Amazon purchase until Amazon blocked agents.
Handle an IKEA return end to end
Muse dealt with IKEA customer service and scheduled the pickup, which showed up at the user's door after he had forgotten about it.
- Custom agent
Track competitor prices weekly across five sites
An agent opens five brand sites every Monday, compares against last week's snapshot, captures timestamped screenshots of changes, and sends a report.
Plan meals, build grocery list and order food
ChatGPT Agent made recipes, a categorized grocery list with local prices and a Sheets export, and placed a DoorDash order but handed off for payment.
- Custom agent
Order lunch through an AI agent
Abhishek Upadhya had an AI agent order his lunch, giving it his CVV and OTP, and the food arrived without further intervention.
Hunt Black Friday TV deals against stated requirements
ChatGPT Agent searched deal guides and retailers for several minutes and returned five discounted TVs with buy links plus two cheaper alternatives.
- Custom agent
Order groceries from health data and a meal plan
Austen Allred's AI automatically orders groceries based on body scans, health data, and preferences, mapped to a meal plan.
Turn a handwritten grocery list into a cart
ChatGPT Agent transcribed 15 of 16 items from a photo, found the nearest store and added them to the cart, but missed onions and struggled with login.
- Custom agent
Let AI agents search a store, build carts, and prep checkout
A store is set up so Claude or ChatGPT agents can search the catalog, build a cart, and apply promo codes, then hand over a checkout link before payment.
Find a vintage lamp on Etsy
ChatGPT Agent worked 50 minutes and reported adding five lamps to the cart, but the user's own cart was empty as it ran on a separate computer.
- Custom agent
Negotiate Facebook Marketplace purchases with sellers
A user set up an agent to lowball sellers on Facebook Marketplace, and it reportedly negotiated a Jeep Wrangler for $1500 plus a PS5 and three TVs.
- Custom agent
Order healthy meals twice a day automatically
Flo Crivello's agent has decided and ordered his meals twice a day for two weeks, following instructions to pick the healthiest options.
- Custom agent
Research purchases for delivered price and working coupons
The poster built an agent that compares real delivered prices, tests every coupon it finds, reads owner feedback and goes through checkout without ordering.
- Custom agent
Build group grocery carts through a Signal-based agent
A self-hosted Signal agent drafts a grocery list from past orders, lets group members edit it, then logs into the store and builds and validates the cart; the author finishes checkout manually.
- Custom agent
Launch and run an online store with AI agents
The author used an AI store builder to launch a retail shop taking real payments in one sitting, with five agents watching orders, stock and customers.
- Custom agent
Build an Instacart grocery cart from a chat request
A reporter connected Instacart to ChatGPT, which assembled the cart for formula, ice cream and fruit and opened a checkout confirmation in chat.