Source time Edition date
eBay appears to have shut the door on third-party AI agents
eBay似乎已对第三方AI代理关闭大门
Anyone building AI shopping agents now faces a real limit: eBay's block on Meta's Muse shows platforms can decide which agents get access, leaving users to choose between open agents and marketplace data.
Judgment
eBay now decides case-by-case whether third-party AI shopping agents can access its marketplace; agent builders must either negotiate authorized access or design around blocked listings, at the cost of degraded price and availability coverage for users.
Basis
An eBay spokesperson, Sybille St. Arromand, told The Verge the company takes a "selective approach" to third-party access and has "restricted agent access in certain cases," including unauthorized scraping and training, but declined to say whether new limits were imposed. A reader said Meta's Muse had pulled eBay watch listings for weeks, then was blocked this weekend; The Verge re-created the block and sometimes saw Muse redirect to outside sites mirroring eBay listings. eBay's user agreement already bans "buy-for-me agents" and "LLM-driven bots" that order without human review. The mechanism is platform-side permission: Amazon blocks external agents entirely, Target blocks some requests, and Shopify opened its catalog. Usage remains thin: Uber fulfilled four rides via third-party agents in Q3 and around 500 Uber Eats orders during Halloween week; DoorDash fulfilled "several hundred" agent orders against 993 million total orders last quarter.
Unclear The source does not say whether eBay changed its technical blocks this weekend, which specific agent traffic triggered them, or whether Muse has any authorized-access or partner agreement with eBay.
Next Check eBay's next user-agreement, robots, or developer-policy update and any follow-up from St. Arromand for explicit terms on Muse and third-party shopping agents.