Online shopping looks quick until you factor in the research: reading reviews, comparing prices across shops, checking sizes and delivery dates. AI agents can now browse, compare and even fill a basket, which turns an evening of tabs into a short list.
The cases here are real examples of people letting agents help them shop. You will find grocery orders, product comparisons, deal hunting, returns and repeat purchases. Every case includes a link to its public source and a prompt rewritten in our own words that you can reuse.
A common thread is control at the checkout. People who are happy with the results let the agent do the searching and comparing, then review the final basket before paying. That way you get the time savings without worrying about the agent buying the wrong thing or paying too much.
Pick a case below that looks like something you buy regularly and try its prompt on your next order. Ask the agent to stop before payment and explain why it chose each item. Over time you can hand it more of the routine purchases. The strongest examples are listed first.
What is in this guide: 60 sourced cases, added between 2026-10-15 and 2026-10-15. The tools that come up most often are Custom agent (11), Claude (8), Grok Bot (6), and the cases mostly sit under Shopping (60). They were reported on X (26), Reddit (14), Blog (12). If you only have a few minutes, start with the top three: “Negotiate a car purchase between dealers”; “Negotiate bills, handle returns and cancel subscriptions”; “Cancel an Amazon subscription and get a refund”.
Each case page gives a short summary in our own words, a note on why it matters, a reusable prompt broken into steps you can follow, and a link to the original first-hand account. Nothing here is a paid placement, and we only list cases with a working public source.
60 real cases, most interesting first
Negotiate a car purchase between dealers· OpenClaw · Shopping Case study takeaway: AJ Stuyvenberg ran OpenClaw with access to his email and browser. It researched Reddit prices, searched dealer inventory within…
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…
Draft a refund demand for an unauthorized renewal· ChatGPT · Shopping Linked example of draft a refund demand for an unauthorized renewal. After Skillshare charged a $24 annual renewal the poster says they had not…
Find cheaper car insurance· Meta Muse · Shopping Case study takeaway: startup founder Joseph Devoy Leaned on Meta's Muse agent, launched September 8, for car insurance. Meta's pitch is to prompt…
Chase an airline refund dispute· Custom agent · Shopping Observed in the wild: user handed the full $1,200 flight refund dispute to the Instinct agent after two months of airline silence and stall tactics.…
Weekly meal plans with grocery carts· Meals You Love · Shopping A meal-planning product generates preference-based weekly plans and pushes ingredients into grocery carts.
Triage car repair requests and reply to customers· n8n · Shopping A published walkthrough shows an n8n workflow receives car repair requests from a web form. The AI classifies each by job type, urgency, and…
Track pantry stock from receipts and buy groceries· Custom agent · Shopping Case study takeaway: user ingests receipts and spending data into a custom service, then exposes a grocery budget envelope plus recipe history and…
Shared grocery list from the family chat· OpenClaw · Shopping Family members message an OpenClaw agent to add items, and it maintains a single aisle-sorted shared list.
Plan meals and place grocery orders from a Google Doc· Claude · Shopping Claude covered plan meals and place grocery orders from a Google Doc. The poster says they assembled a workflow with Claude and Muse to run a…
Phone a restaurant to book a full table· OpenClaw · Shopping Real-world thread: nick Larkins asked OpenClaw to book a dinner reservation. The online booking attempt failed because the restaurant was fully…
Order groceries online· Custom agent · Shopping As described in the source, custom agent shows up in a write-up about order groceries online, with figures like 3.6, 27. The linked post is the…
Order groceries from health data and a meal plan· Custom agent · Shopping As described in the source, austen fed the AI his recent body scans, health data, preferences, and meal plan. The agent then placed grocery orders…
Grocery order built from purchase history· Custom agent · Shopping An agent logs into a supermarket site, uses past orders and current deals to propose meals, and fills the basket for review.
Fill a supermarket cart· ChatGPT Agent · Shopping One practitioner notes that as someone was at work, groceries were added to the cart at a nearby supermarket in agent mode, ready for collection the…
Everyday errands with a browser agent· ChatGPT Agent · Shopping A designer tested an agent on real chores such as filling a grocery cart and researching purchases, noting where it stalled.
Call a car rental company to add an infant seat· Grok Bot · Shopping A published walkthrough shows someone asked JooVoice to order an infant seat for an existing rental car booking. The agent called the company…
Build purchase orders and track payables nightly· Make · Shopping According to the write-up, make.com automation was set up to build purchase orders and perform other tasks. It watches payables nightly on its own…
Build group grocery carts through a Signal-based agent· Custom agent · Shopping A published walkthrough shows the builder runs a self-hosted agent through Signal, with group chat limited to whitelisted accounts. It sketches a…
Build and order a grocery cart from an idea· Meta Muse · Shopping Observed in the wild: muse received an Instacart connector and user access to a preferred store. Someone gave a phrase such as "Taco Tuesday"; Muse…
Book a restaurant table through a Resy connector· Claude · Shopping Real-world thread: the writer added the Resy connector to Claude through Customize > Connectors, then chatted about where to eat near his Midtown…
Add family to a dental plan by voice from the car· Custom agent · Shopping Linked example of add family to a dental plan by voice from the car. Someone spoke instructions to their car while driving, which relayed them to…
Restaurant booking with an allergy note· ChatGPT Agent · Shopping In a usability review, a browser agent researched restaurants, filled the reservation form including an allergy note, and paused for approval.
Plan and order a week of groceries· Claude · Shopping From the linked report, claude shows up in a write-up about plan and order a week of groceries. The linked post is the primary source for steps and…
Handle restaurant reservations over WhatsApp· Custom agent · Shopping Case study takeaway: created a WhatsApp representative for a nearby eatery that keeps watch on availability, responds to inquiries, and…
Book a restaurant table· Alexa+ · Shopping Real-world thread: alexa+ shows up in a write-up about book a restaurant table. The linked post is the primary source for steps and outcomes.
Book a restaurant· Dots · Shopping Case study takeaway: dots shows up in a write-up about book a restaurant. The linked post is the primary source for steps and outcomes.
Fill in a tax organizer and review last year's return· Claude · Shopping A published walkthrough shows claude shows up in a write-up about fill in a tax organizer and review last year's return. The linked post is the…
File a complex tax return· OpenClaw · Shopping One practitioner notes that openClaw shows up in a write-up about file a complex tax return, with figures like 4. The linked post is the primary…
Triage support emails and draft refund-policy replies· Claude · Shopping Real-world thread: for a fictional kitchenware brand demo, the consultant kept the returns policy and brand voice guide in Claude Projects. Gmail…
Shop on Amazon and build pages· Claude · Shopping Observed in the wild: claude shows up in a write-up about shop on Amazon and build pages. The linked post is the primary source for steps and…
Shop for a shirt and place the order· Custom agent · Shopping Prompt was basically “white dress shirt.” Six brands scored on fit charts, return rules, and free-ship minima; nearest store + size chosen; order…
Run an offline car assistant on a Raspberry Pi· Custom agent · Shopping One practitioner notes that A Raspberry Pi 5 (16 GB) rides in the car and runs a local Qwen3.6-35B model through llama.cpp. It reads live OBD data…
Monitor and book a hard-to-get restaurant table· Custom agent · Shopping Documented elsewhere: user told the Odessia AI concierge that Don Angie was fully booked for Saturday the 24th and to watch for an opening for two.…
Click add-to-cart button on a website· Claude computer use · Shopping According to the write-up, claude computer use shows up in a write-up about click add-to-cart button on a website. The linked post is the primary…
Find and book a business lunch restaurant· ChatGPT Agent · Shopping Community report: the tester gave a terse prompt asking for a business lunch near a Houston address. The agent ran 10 searches over 96 sources and…
Phone a restaurant in Thai to book a table· Grok Bot · Shopping From the linked report, grok bot was integrated with JooVoice.com to make outbound calls. It spoke Thai to book a restaurant table for Someone. The…
Buy items on Amazon from a photo· ChatGPT Agent · Shopping Case study takeaway: the builder photographed a wrapper from an item they wanted again and told ChatGPT Agent to buy a new one on Amazon. The agent…
Test OpenAI's Agent on online shopping· ChatGPT Agent · Shopping From the linked report, chatGPT Agent shows up in a write-up about test OpenAI's Agent on online shopping. The linked post is the primary source for…
Reserve a restaurant table through OpenTable· Operator · Shopping From the linked report, yash Kumar of OpenAI asked Operator to book Beretta in San Francisco around 7 p.m. Operator opened a remote browser, went to…
Post a word to Pastebin and return the link· Operator · Shopping Linked example of post a word to Pastebin and return the link. The poster tested OpenAI Operator on several odd browser tasks inside its own web…
Let agents phone restaurants to book tables· ChatGPT · Shopping A published walkthrough shows jake stood up callforme.tel so agents powered by MCP (Claude, ChatGPT, etc.) can place calls. The agent dials the…
Handle Shopify support tickets, orders and refunds· Claude · Shopping Community report: merchants install the Supportify app, which syncs with Shopify, and connect their FAQ, shipping and return portal, and channels…
Buy products online from a card photo· Grok Bot · Shopping Musk’s pitch on X: photo of a card into Grok Bot chat, agent shops and buys (LEGO called out as an example). What ships to consumers, and which…
Handle an IKEA return end to end· Meta Muse · Shopping Documented elsewhere: someone asked Muse to handle an IKEA return. Muse contacted support and booked the pickup. The pickup arrived at the door.
Shop for cars on websites· Meta Muse · Shopping A published walkthrough shows meta Muse covered shop for cars on websites. utilizes Muse to shop for automobiles on the internet and discovers that…
Power a restaurant customer service chatbot backend· Make · Shopping A published walkthrough shows a restaurant chatbot that responds to customer inquiries through text and voice memos is powered by a Make.com…
Phone local stores to check product stock· Grok Bot · Shopping A published walkthrough shows the Grok-based agent was wired to Bland.ai for phone calls. It dialed local stores, held conversations to check stock…
Customize and order a matcha drink for an event· Claude Cowork · Shopping As described in the source, she connected her Monid API keys to Claude Cowork. The Monid agent afterward customized the milk choice and placed the…
Plan parties and shop for products· Claude · Shopping Community report: claude shows up in a write-up about plan parties and shop for products. The linked post is the primary source for steps and…
Generate LEGO CAD models in LDraw· ChatGPT · Shopping Documented elsewhere: the creation of LDraw source files, which are then converted into LEGO CAD models, is facilitated by ChatGPT and Claude agents…
Auto-buy items when the price hits a target· Alexa+ · Shopping Community report: in the Amazon app or website, you tap the cursive A icon to open Alexa for Shopping. On a product page you tell it a target price…