How Meta's Muse agent might impact ecommerce.

Meta launched Muse on September 8, 2026. It is a personal AI agent that can open a browser, find a product and pay for it once its owner approves. One month in, the question for online stores is no longer whether an agent like this will exist. It is what the first month tells us about how it will treat them.

This follows our September 21 analysis, Meta's Muse agent: seven effects on e-commerce, and covers what has changed since. Facts are linked to the source we read. Anything marked “our analysis” or “prediction” is ours.

What happened in Muse's first month?

Four things changed for stores: the audience grew, Amazon said no, Shopify said yes, and Meta said how it plans to get paid.

• People downloaded it, helped by a lot of advertising. Sensor Tower estimates Muse passed 5 million downloads in 22 days across the United States and Canada, the only two countries where it is available, The Next Web reports. Meta gave Muse up to half of its own house-ad impressions for two weeks, so treat that as a measure of promotion as much as demand. Internal figures reported by The Information put weekly prompting at more than 3 million people and daily at more than 1 million. Meta has published no numbers of its own.
• Amazon shut the door. On September 20, Amazon blocked Muse from its store. Shoppers who try see a message that continued access by “an unauthorized AI agent” breaks Amazon's conditions of use. Amazon's complaints, in GeekWire's reporting summarized by PPC Land: it never agreed to Muse shopping there, the agent does not identify itself when it browses, and it appears to capture and store customer credentials. Meta says Muse “has no visibility into people's passwords or payment methods.”
• Shopify opened every door. A day later, Shopify's Tobias Lütke announced a partnership “to enable agentic checkout with Shop Pay,” PYMNTS reports. Meta's Alexandr Wang said Muse “can access the entire Shopify product catalog agentically.”
• Meta named its business model. At Connect on September 23, Mark Zuckerberg said Meta “will profit by taking a small fee from transactions,” MediaNama reports. The same report lists Walmart, Best Buy and Sephora as integrated, with Gap, Ulta, Wayfair, DICK'S Sporting Goods and others named on Meta's blog as connected. Meta has not said how large the fee is or who pays it. PPC Land says it reportedly comes from merchants, not shoppers.
• No ads inside it, so far. Meta says Muse conversations stay out of its ad systems, and it has announced no paid placement in Muse's results.
• How it pays. Through Link, Stripe's wallet, and now Shop Pay. PayPal has been announced. Stripe says that at stores which do not accept Link, it issues “a single-use virtual card scoped to the approved purchase.” Every order needs a human yes.

What nobody has said. How Muse chooses between stores, how a store can recognize Muse's browser, and whether partner retailers are favored over everyone else. MediaNama notes Meta did not explain how Muse ranks products, or whether retailers pay to be in its catalog.

Which lane is your store in?

One of three. A month ago there were two ways into Muse: Shopify's catalog, or being browsed like any other website. Connect added a third, the named retail partner.

Our analysis: there is a partner lane (Walmart, Sephora), a catalog lane (any Shopify store) and a browser lane (everyone else). The first two give the agent structured data and a checkout it knows will work. The third asks it to read a live page and operate a checkout it has never seen.

Prediction: an agent takes the route least likely to fail. If a partner or catalog result answers the request, it has little reason to go browsing for an alternative. Stores in the browser lane will mostly be reached when the shopper asks for them by name.

• What would prove us wrong: repeated tests in which stores outside the catalog and partner list appear as often as stores inside them.

What does a fee on every sale change?

It makes Muse a sales channel with a take rate: a marketplace in everything but name. For stores, that is a new line in the margin, next to payment fees and ad spend.

Our analysis: the fee also creates the question Meta has not answered. Does it affect what Muse recommends? An agent paid on some sales and not on others has a reason to prefer the first kind. We have no evidence that it does. But it is the thing to watch, and the reason to measure how often you are recommended instead of assuming. That measure is share of recommendation, which our Agent Index tracks across five agents, Muse included.

• What would prove us wrong: Meta publishing how Muse ranks stores, with the fee shown to play no part.

Should you block shopping agents?

Amazon can, and almost nobody else can afford to. Amazon can block Muse because shoppers will go to Amazon anyway. For a mid-size brand, a blocked agent does not send the shopper to your site. It sends the order to a competitor.

Our analysis: the risk for most stores is not choosing to block. It is blocking without choosing. Amazon says Muse does not identify itself, which means your bot protection is deciding with no label to go on. An agent session looks like a browser in a data center with no history and a card number nobody has seen before. That is also what an attack looks like.

• What would prove us wrong: Meta publishing a verifiable way to identify Muse's browser, which would let bot-protection vendors recognize it.

Where is the sale decided?

On a card, not on your page. The shopper approves a short summary: the product, the total, the delivery. They may never see your photography or your brand.

“Waterproof jacket, medium, $184 delivered, arrives Thursday, free 30-day returns” is easy to approve. “From $159, shipping calculated at checkout” is a question, and a question is a reason to say no.

Will your reports show agent orders?

Mostly not. Our analysis: an order placed by an agent through a browser has no ad click behind it, no returning-visitor cookie and often a brand-new card number. A loyal customer who buys through Muse can look like a stranger, and the revenue lands under “direct.” If Muse grows, some of your best customers will quietly disappear from your attribution.

Where does advertising go if the agent carries no ads?

Earlier. If there are no ads inside the agent, the place to influence a purchase is before the request is made. Meta's own launch example was a recipe saved on Instagram turning into a grocery order. A post that names the exact product gives an agent something it can act on. A post that only sets a mood does not.

Not everyone expects the no-ads position to last. An analysis by MBI Deep Dives, covered by PPC Land, argues Meta can keep ads out of Muse and still earn from what Muse learns. The same article notes a Digiday piece arguing ads in Muse look likely.

What should you check this week?

Four things, in this order. Human shoppers benefit from each one, whether or not Muse takes off.

1. Know your lane. On Shopify, confirm the Meta channel is switched on under Agentic storefronts. On anything else, your product page is your feed. Run the free check on your best seller.
2. Ask your bot and fraud providers, in writing, how they treat agent sessions and single-use cards. Do not turn protection off. Tune it.
3. Write your offer as one sentence with the delivered total, the delivery date and the return terms. Then check every part of it is on the product page as text.
4. Add “an AI assistant” to your “how did you hear about us?” survey. It is the cheapest attribution you will get.

What do we still not know?

A month of data is thin. Downloads are not purchases, and nobody outside Meta knows how many orders Muse has placed. The usage figures above are outside estimates and a leak, not Meta's reporting. In a Vogue Business survey cited by Fortune, 31% of respondents said they would hand shopping to an AI agent. Muse may stay small.

But everything on the list above also helps the humans who shop with you. A clear price, a page that works without a pop-up in the way, and a checkout that does not turn away a real buyer are worth having whether the buyer is a person or their agent.

Written by the team at Recommended by Agents under our editorial standards. Found an error? Tell us. Published October 9, 2026. Meta, Muse, Shopify, Stripe, Amazon and other names are trademarks of their owners, and we have no affiliation with them. Spotted something out of date? Tell us and we will fix it.