I watched a friend tap “Buy” through Meta’s new assistant and freeze as a stern Amazon popup stopped the checkout in its tracks. The message called Muse an “unauthorized AI agent” and the sale died mid-click. Within days, Muse — fresh from topping Apple’s U.S. App Store charts — was locked out of Amazon.
I’m going to walk you through what happened, why Amazon says it acted, and what this fight over automated shopping means for anyone who wants an assistant to handle their errands. You should know where the risks live and what each company is claiming.
A shopper saw a warning popup on Amazon — Amazon insists third-party agents must be transparent
Amazon told me and reporters that it asked Meta to stop letting Muse shop on Amazon.com because Muse didn’t identify itself while making purchases and did not disclose its presence to Amazon. According to the company, that makes Muse an undisclosed third party accessing customer accounts without authorization.
Amazon framed the issue in familiar commercial terms: third-party services that transact with other businesses should operate openly, the company said, comparing Muse’s behavior to delivery apps and travel agencies that coordinate with merchants. The message to Meta was blunt — remove Amazon from the Muse experience.
A user tried to complete a purchase and saw personal-account concerns — Meta pushes back on how credentials are handled
Meta says Muse runs inside a secure virtual machine with a private browser and that the assistant never actually sees your passwords or payment details. Instead, credentials are kept in secure storage Muse can use without exposing them, and Meta says Muse asks for user approval before making purchases.
Still, Amazon flagged the practical problem: an AI that doesn’t reveal itself can bypass personalization signals and other safeguards built into Amazon’s shopping flow. For Amazon, that’s not theoretical — it’s an integrity and security problem.
Can Muse make purchases on Amazon for me?
Short answer: Not while Amazon is blocking it. Users attempting to complete purchases through Muse encountered a popup citing Amazon’s Conditions of Use. Meta claims the assistant acts on behalf of the user; Amazon says those actions amount to an undisclosed third party operating on its platform.
A previous courtroom skirmish set a precedent — Perplexity’s Comet case matters
When Amazon sued Perplexity in 2025 over its Comet browser’s shopping behavior, a federal judge first sided with Amazon. But a Ninth Circuit panel later vacated that injunction, saying it was the customer accessing Amazon and the tool acted on their behalf.
That ruling weakened Amazon’s initial argument that the AI itself unlawfully accessed Amazon’s computers, but it didn’t settle the larger commercial and policy questions now at stake with Muse.
Why did Amazon block Muse?
Because Amazon cites privacy, security, and transparency concerns. It says Meta didn’t notify Amazon that Muse would access the site, that the agent doesn’t identify itself, and that the arrangement can bypass personalization and account protections.
A user who relies on automated help faces trade-offs — privacy, convenience, and control collide
You want convenience; companies want control over how their services are used. Muse promises to act for you, but Amazon is defending the boundaries of its platform.
Think of Muse as an uninvited guest at a closed-door dinner — it can get you a seat at the table, but the host can and will decide who stays. At the same time, this fight looks like a Trojan horse in your cart, where an ostensibly helpful tool may change how commerce works without asking sellers first.
Is my account safe if I use Muse?
Meta insists that Muse cannot see passwords or payment methods, and that any credentials you provide are kept in secure storage that the assistant can utilize without exposing them. Amazon, however, says Muse’s nondisclosure creates account-access risks and undermines the company’s ability to apply fraud and personalization protections.
A chorus of platforms and courts will shape the outcome — regulators, tech firms, and judges are all watching
Apple has already helped propel Muse to the top of the free app charts. Amazon, Meta, Perplexity, federal courts and tech reporters like GeekWire and Gizmodo are now part of the story. Each actor has incentives: Meta wants agents that act on your behalf; Amazon wants to protect its ecosystem.
For you, this means the future of agentic shopping will be decided by legal rulings, platform policies, and commercial negotiations — not by a single company’s product launch.
So what should you do today? If you value convenience and you trust Meta, Muse may feel revolutionary. If you value platform-specific protections and predictable safeguards, Amazon’s stance will make sense. Either way, the rules of e-commerce are being rewritten on the fly. Which side do you think should win this fight?