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Amazon Blocks Meta's Muse Shopping Agent While Walmart Opens Its Gate to Agents

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Amazon began blocking Meta's Muse agent from Amazon.com on the night of September 20, 2026, according to a company spokesperson. Amazon said it asked Meta to remove Amazon from the Muse experience, and shoppers using Muse on the site now see a pop-up citing a terms-of-use violation. Days later, on October 21, 2026, Walmart announced Agent Gateway, which lets approved agents connect over the Model Context Protocol to search inventory and make purchases at Walmart and Sam's Club. Walmart already has a partnership with Meta's Muse, so the same agent is blocked on one platform and welcomed on another. The contrasting moves reflect different approaches to controlling which agents can act on each retailer's site.

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