A reader told The Verge that Meta’s Muse AI agent used to pull daily watch listings from eBay, complete with prices, shipping info and condition notes. Over the weekend, Muse stopped getting any links or details from eBay and reported it was blocked. The Verge was able to repeat the problem with other search queries, and in some cases Muse redirected users to third‑party sites that mirror eBay listings. eBay’s user agreement already forbids “buy‑for‑me agents” and “LLM‑driven bots” that place orders without a human check. Until recently the rules were not enforced against browsing agents, so Muse could still collect data. In a statement, eBay spokesperson Sybille St. Arromand said the company “takes a selective approach” to third‑party access and has restricted agents in cases of “unauthorized scraping and training on our data.” She added that eBay is still discussing how outside agents might help new customers discover its inventory, while trying to keep the buying experience trustworthy. Other retailers are handling third‑party agents differently. Amazon blocks external agents completely. Target lets agents browse sometimes but blocks them in other cases. Shopify has opened its catalog of about a billion listings for agents to purchase on behalf of shoppers. These mixed signals make it unclear how useful AI agents will be for everyday shoppers. The Verge previously showed that Muse could hold listings hostage on The RealReal by repeatedly adding items to a cart, prompting that site to tighten its bot defenses. Still, big‑ticket services like Uber and DoorDash report only a few hundred orders per quarter coming from third‑party agents, suggesting the practice is not yet widespread.
Why the block matters
For people who rely on AI assistants to surface deals, eBay’s block means they can no longer get automated watch digests directly from the site. Users will have to switch to manual searches or wait for eBay to offer its own AI tools. The move also signals that major marketplaces may tighten access for external bots, which could limit the growth of agent‑driven shopping in the near term.
Why it matters
Regular shoppers who used AI agents to find items on eBay will lose that shortcut and must search manually or wait for an official eBay AI feature. The broader AI‑shopping ecosystem may see slower adoption as large retailers tighten bot restrictions.
