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More in Groceries & food delivery.

Fill a Carrefour grocery cart with Claude Cowork and clear a CAPTCHA

WorkedEvidence: Described by posterPosted Last checked

Mateusz Tatara's Claude Cowork skill fills a Carrefour cart from a Sheet in about 30 minutes, including clearing a boat CAPTCHA.

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What the prompt labels mean

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I have a weekly grocery list in a Google Sheet. Open Carrefour, pick a delivery slot between 6 and 8 PM on the next business day, search each product, add the right quantities to the cart, handle CAPTCHAs if they appear, and notify me when the cart is ready for me to review and pay. Do not check out.

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ChatGPT Gemini Grok Claude

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Optional stronger version

Our rewrite with extra checks. The poster didn't test it.

Before you start, ask me 1–3 short questions about the details below and wait for my answers. Once I've answered, confirm the plan in one line and run the whole task start to finish.

Goal: Fill my online grocery cart from a sheet list and stop before payment.

Questions to ask me first:
- Which store URL and delivery window should you use?
- Where is the shopping list, and which items are must-buys vs flexible?
- Should you stop for CAPTCHAs or try a few times first?

Inputs (fill in or confirm):
- Store: [CARREFOUR / OTHER]
- List: [GOOGLE SHEET / FILE]
- Delivery window: [6–8 PM NEXT BUSINESS DAY]
- Must-buy brands: [SKYR / OAT MILK / …]

Rules:
- Search each line item and match quantity.
- Prefer my named brands when listed.
- Never enter payment or place the order.
- If a CAPTCHA appears, try a few times, then hand control back if stuck.

Checkpoint: After the first three items, show what landed in the cart and wait for a quick OK.

If you get stuck: If login or CAPTCHA blocks you after a few tries, stop and tell me what you need.

Verify before you finish: Every list line is either in the cart, substituted with my approval, or marked unavailable.

Output: A filled cart summary plus a ready-for-payment notification; no checkout.

Done when: I can open the cart, spot-check items, and pay myself.

AI tool

Claude Cowork

Outcome

On a Sunday evening, Mateusz Tatara watched Claude Cowork work through a Google Sheet shopping list on Carrefour's site, adding items such as Skyr yogurt and oat milk with quantities. A boat CAPTCHA blocked the first tries; after a few attempts Claude Cowork selected the right images and continued. The skill picks a 6–8 PM next-business-day delivery slot, fills the cart, and sends a desktop notification so Tatara can review and pay. Cart work takes about 30 minutes depending on list size—slower than shopping by hand, but frees that block of attention.

Evidence: Described by posterThe person describes what happened in words, without screenshots or video.

Source

Posted
by Mateusz Tatara
Last checked
Method:
How we verify

https://readwhitespace.substack.com/p/i-taught-claude-cowork-to-order-my

Context: Self-reported; the author notes 30 minutes can be slower than shopping by hand. Payment stays with the human.

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