eBay appears to have blocked third-party AI agents, including Meta’s Muse, from browsing its marketplace. The Verge AI reports that a reader had used Muse for weeks to put together a daily digest of watches for sale. This weekend, the agent said eBay had blocked it and couldn’t pull any links or listing details. The Verge got the same result with other searches. In some cases, Muse sent users to outside sites that mirrored eBay listings.
⚡ Quick Summary
- What happened: AI agents like Meta’s Muse can no longer browse eBay listings. Until recently, they could.
- eBay’s position: It didn’t confirm new restrictions. It did say it has “restricted agent access in certain cases, including unauthorized scraping and training on our data.”
- Meta’s position: Meta declined to comment.
- Why it matters: Shopping is the main example tech companies use to sell AI agents. Now the biggest marketplaces are shutting them out one by one.
- What to watch: Expect more marketplaces to give agents access only through partnerships, and expect fewer open-web agents.
🛒 What eBay Actually Said
eBay had already changed its user agreement to ban “buy-for-me agents” and “LLM-driven bots” that place orders without a human reviewing them. That rule covered purchases, though. It didn’t cover browsing. Agents could still pull listings, prices and shipping details for their users, and that’s the part that seems to have changed.
eBay spokesperson Sybille St. Arromand didn’t directly answer whether eBay recently added new limits. “As it pertains to third-parties, we take a selective approach to how they access and interact with our marketplace,” she told The Verge. She added that eBay is in “ongoing discussions with potential partners” and is looking at how third-party agents could help new customers discover its inventory.
That sounds like a door that’s closed for now. It also sounds like eBay plans to charge for opening it later.
🧭 Where the Big Retailers Stand
Retailers handle outside agents in very different ways:
- Amazon: Blocks external agents completely, for browsing and for buying.
- Target: Somewhere in the middle. Agents get through sometimes and get blocked other times.
- Shopify: Has opened its catalog of a billion listings so shoppers’ agents can buy for them.
- eBay: Now looks a lot closer to Amazon’s approach.
The pattern is easy to see. Platforms that own the customer relationship want to keep it. Platforms that power lots of independent merchants, like Shopify, gain more from letting agents in.
🤖 Why Retailers Are Nervous
Retail sites assume their customers are humans who click at human speed. Agents break that assumption. Back in October, The Verge found that someone could use Muse to effectively hold product listings hostage on The RealReal. The agent just kept adding the same item to a cart over and over. The RealReal changed its bot system after the report.
There’s a data problem too. A marketplace’s listings, prices and sales history are worth a lot. If an agent scrapes all of that, it can train models or power competing services, and the marketplace gets nothing back. eBay’s mention of “training on our data” points straight at that worry.
📉 Agentic Shopping Is Still Tiny
What stands out here is how small agent-driven commerce really is so far. Some numbers from The Verge’s reporting:
- Uber: Only four rides came through third-party agents in Q3.
- Uber Eats: About 500 orders came through agents during Halloween week.
- DoorDash: “Several hundred” orders came through agents, out of 993 million total orders last quarter.
So blocking agents costs eBay almost nothing right now. Usage is close to zero, and the risks of scraping, cart abuse and lost data are real. From a retailer’s point of view, that’s an easy decision.
🔮 What This Means for You
If you’re building AI agents: The open web is shrinking for you. Plan for official APIs, partner programs and paid access. Scraping-first designs will keep breaking without warning.
If you use AI shopping tools: Expect gaps. Your agent might tell you it’s blocked, or it might quietly send you to mirror sites that aren’t the original source. That second outcome is the bigger risk, because you can’t easily check where the data came from.
If you run an e-commerce business: Decide on purpose how you’ll treat agents. Shopify’s open approach and Amazon’s closed one are both reasonable bets. Having no policy at all is the one choice that will hurt you.
Agentic commerce has a classic chicken-and-egg problem. Agents aren’t useful without access, and retailers won’t grant access until agents bring real sales. eBay’s partner talks suggest the answer will be negotiated deals, not open browsing. The Verge AI has the full report, including more on how Muse behaved when it hit the block.