InventoryLab Buy-Cost Updates with Claude Cowork for Amazon Sellers
What they did
On his first day with Claude Cowork, the seller had it open InventoryLab, review the active buy costs for FBM items, and update the $0 ones using the cost encoded in his SKUs.
How it went
He reports it navigated the site correctly, learned his SKU structure, updated items systematically, double-checked by searching retailer names, and returned a list of ASINs whose SKU didn't contain a cost. He called it 'a no-brainer' at $100/month.
We only report what the source says. Results are self-reported unless noted.
Worth knowing
It works in your logged-in browser session, so watch the first runs.
Copy-paste prompt
Starter prompt (written by us)
Go to InventoryLab and open my active inventory. Filter to FBM items. For every item with a buy cost of $0, read the cost encoded in the SKU (format: [describe your SKU format]) and update the buy cost to that value. When you can't find more, double-check by searching each retailer name from my SKUs. At the end, give me a list of ASINs still at $0 because the SKU has no cost in it.
The source didn't publish its exact prompt. We wrote this starter so you can try the same workflow. Replace anything in [brackets].