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Meta's Muse fails Walmart's verify-you're-human check despite a Walmart partnership
Meta's Muse agent has been booted from Walmart purchases by a verify-you're-human button, even though Walmart is a Muse partner and calls the failures unintentional. For anyone building agent commerce, each site's bot defence now decides whether a task gets finished.
The Product Desk
What happened
- Amazon has started blocking Muse from its retail site, so the agent can no longer browse Amazon's product catalog or buy from it.
- Early adopters say their agents have also been turned away at Yelp, eBay, Zillow, Pizza Hut and Adidas, among other brands.
- Asked about agent blocking, United pointed to terms of use that bar robots and other automatic devices on its site without its prior written permission.
- Meta, Walmart, Stripe, Sierra, Genesys, Rocket, NiCE and Decagon are drafting an open standard for how AI agents deal with businesses in online commerce.
Compiled by The Product DeskSomething wrong?How this is made
Why it matters
- constraint A signed partnership did not get Muse through Walmart's purchase flow. An agent maker cannot treat a retail deal as proof its agent will finish the job on that site.
- exposure Shoppers cannot tell an accidental block from a deliberate one, so agent makers take the blame for failures that a retailer's spam defences caused.
- decision Agent makers that pitch flight booking as a lead use have to decide whether to keep promising it while users report airlines rejecting their agents.
- constraint Amazon, Delta and United are not among the standard's named backers. A finished protocol would not bind the sites most reluctant to admit agents.
The first evidence came from shoppers: a handful of social media posts saying Muse could not finish a Walmart purchase [7]. NBC reported that Walmart had hit the same problem in its own tests of the agent [7]. The cause is one step on the page. Walmart shows a button a visitor has to click to prove it is human, and if that step is interrupted the check can fail and the agent is thrown out [10]. Walmart wants this traffic. It said it wants to be where its customers are, and that now includes AI agent experiences [9].
The pitch is that a user can hand an agent a flight booking or a grocery order without installing anything on their own computer [4]. Users say the agent stops partway, and they go online to name the site that stopped it [3]. Some of those stops are deliberate, like Amazon's. Others come from the ordinary anti-bot measures sites built against spam and malicious traffic [1].
Airlines are less welcoming [2]. Delta said it is taking steps to protect customers from unauthorized automated activity, and that any opening to agents would have to come with "security and the customer experience in mind" [12]. "While Delta does not currently have a partnership or integration that enables a third-party AI agent to shop for or book Delta flights on a customer's behalf on our digital platforms, we're continuing to evaluate how new technology, including external AI agents, could enhance the way customers engage with Delta," said Heena Chavda, Delta's general manager of Global Communications [13]. United did not answer a follow-up asking whether it blocks specific agents such as Muse [15].
The open standard is aimed at the Walmart kind of failure. Its stated job is to help a business tell a bot acting for a user from a bad one, and Meta said in a blog post that it will cover agent-to-agent communication for online commerce [11]. Eight companies are named as working on it [17]. I'd expect it to help retailers that already want agents in and whose own human checks keep stopping them. A site that has chosen to block an agent, as Amazon has with Muse, is under no obligation to adopt it [5].
Two facts sort any destination site for a team deciding which agent flows to promise. One is whether the site wants agents, judged by a partnership or a public statement. The other is whether its bot defence lets the agent finish today. Only where both answers are yes does the quality of the model decide the outcome.
Walmart wants agents and blocks them by accident [9][10]. Its problem is integration, and there is a partner on the other end to work it out with [8]. Where a site does not want agents and has not yet stopped them, the flow runs against terms like United's, which bar automatic devices without written permission [14]. Amazon's block on Muse puts it in the last box, unwanted and stopped [5].
What to watch
- Whether Meta publishes the agent-commerce standard, and whether Amazon, Delta or United sign on to it.
- Whether Walmart changes its verify-you're-human step so partnered agents like Muse can complete purchases.
- Whether Amazon states a reason for blocking Muse or lifts the block for agents that identify themselves under the new standard.