Transcription

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  Next time, the ones who choose for you. That was the promise we left you with last week. This week, the ones who choose for you have a new face. On Wednesday, America's retail giant, Walmart, decided to welcome a new kind of customer into its online store. Artificial intelligence agents doing the shopping on your behalf. Its great rival... Amazon, turns them away. A month ago, it cut Meta's agent off from its site, just 12 days after that agent launched. And a startup executive describes six months spent handing his life over to an agent, right down to the flowers for his mother's birthday. So who does your shopping? And more importantly, who gets the final say? Welcome to the week of October 19th, 2026. Synth AI Cast. The AI that listens for you. Episode 30. The 8th of Season 2. This week, agents that buy for you, stores that are split over them, and an agent that no longer waits to be asked. Last week, we talked about a flood. Tens of thousands of songs. Nade every single day by machines. And sorting that was starting to come back into your hands. This week, the sorting moves to your agent. First signal. The store that says yes. On Wednesday, October 21st, Walmart unveiled its Agent Gateway. An entry point reserved for AI agents the retailer has approved. It runs on MCP. an open protocol, a common language that lets an agent talk directly to a service. In practice, your agent no longer browses pages designed for human eyes. It queries the catalog directly, and it can buy. But Walmart sets conditions. And that's where the announcement gets interesting. Starting next month. Each agent will get its own profile inside your account. You'll see its purchases separately from yours. You'll be able to set a spending limit or require your approval, one purchase at a time. According to TechCrunch, the agent can't see your payment details. It isn't allowed to go beyond what you asked for. And if it gets something wrong, the usual returns process applies. According to several outlets, It already works. With agents from Meta, OpenAI, and Google. Finally, Walmart publishes written rules for the agents themselves. Any agent that breaks them gets blocked. It's a minority choice. Several travel and booking sites have done the opposite. They simply shut agents out. And the timing is no accident. Walmart's move comes just after Amazon began blocking outside agents. In other words, Walmart isn't just saying yes to agents. It's writing the delegation contract. What the agent can do, what it can't. And how you take back control. Second signal. The store that says no. To understand Walmart's choice, we need to go back a month. On September 8th, Meta launched Muse, a personal agent, able to string tasks together. Your email, your calendar, your shopping. On September 20th, 12 days later, Amazon cut it off from its site. A message appeared. An unauthorized agent is breaching the conditions of use. Amazon's reasons, as reported in the press, come down to two points. First, Meta's agent wasn't identifying itself as an agent while browsing. Second, an agent that buys for you skips the recommendations, the ones the store builds from your own history. Read that second argument again. When an agent does your shopping, it's no longer the store choosing what you see. The first argument is solid. Knowing who is acting on a site is a real security question. The second one says something else. The choice itself is at stake. Amazon isn't against agents, by the way. It offers its own, which shop for you, at Amazon. And this isn't its first fight of this kind. It had already taken on Perplexity's shopping agent, all the way to court. And on Wednesday, presenting its quarterly results, Meta announced more than 10 million users for Muse in six weeks. with shopping among the most frequent uses, according to the company. 10 million potential customers who no longer walk into the store themselves. That's the market Walmart wants to welcome, and Amazon wants to keep at arm's length. Third signal, the agent that doesn't wait. On Wednesday, October 21st, Anthropic introduced Claude Duet as a research preview. A useful disclosure. Anthropic is the company whose tools we use to produce this podcast. Duet doesn't just answer. According to Anthropic, it watches the apps you connect to it and sends you a briefing every morning on what lies ahead. We're moving from the assistant you call on to the agent that takes the initiative. What does that life look like day to day? This week... The French podcast Underscore hosted Maxime Gaudin, the technical lead of a young company. For months now, he has handed much of his life to an agent. Every morning, his phone delivers. A podcast of about 10 minutes. His schedule, the news, his loved one's birthdays. The bouquet for his mother's birthday? He didn't buy it himself. But for his purchases, he made a... telling choice. Most sites aren't built for agents, he explains. So the agent has to read pages designed for humans. And that, he says, is slow and expensive. So the agent fills the basket. And he's the one who clicks to pay. He also describes a mistake. A weekend his agent planned for his partner without telling her. The weekend went well. But she didn't take it well. The problem wasn't that the agent organized it. It was not knowing. The rules of his system, he says, are so many scars. Each mistake taught him a limit to set. Let me take you to Saint-Étienne in France in 1885. A maker of hunting guns launches a mail-order catalog sent straight into people's homes. all across the country. You chose at the kitchen table, and you ordered by post. For the first time, the choice no longer happened in the shop. It happened in the pages delivered to your home, and merchants had to learn something new. How to earn a place on the page the customer reads. In 2026, that page is read by your agent, and stores are asking whether they want to be on it. and on what terms. Last week, we asked who chooses what reaches you. This week, the answer is, more and more, your agent. But handing over the choice means nothing on its own. What matters is being able to take it back, and what it costs you to do so. A spending limit. Approval one purchase at a time. A possible return. Or, like Maxime Godin, keeping the final click for yourself. And neither of the two giants is disinterested. One is selling access to its shelves. The other is protecting its own recommendations. One writes rules for agents. The other writes refusals. Twelve days. how long it took a retail giant to cut an agent off. That number doesn't say agents will replace stores. It says stores understood very quickly what they stood to lose. The right to choose for you. What to watch for now. Agent profiles arriving at Walmart next month. The next round between Amazon and other companies' agents. And the moment Claude Duhay leaves its preview. Three things to try this week. Five minutes. Check which apps have access to your accounts. Thirty minutes. Ask an assistant to prepare a shopping list and keep the final click for yourself. One hour. If you understand French, listen to the underscore episode. This week, the choice changed hands once again. When an agent buys on your behalf, who pays when it gets it wrong? Next time, the price of the mistake.