TechCrunch reported the block on September 21, and agentic commerce now has a very public boundary line. The message said continued access by an unauthorized AI agent violates Amazon’s Conditions of Use. What Amazon Actually Blocked Muse is Meta’s assistant app, and the app itself still works. It also appears to capture and store customer credentials without Amazon’s knowledge. Third-party applications that buy on behalf of customers “should operate openly and respect service provider decisions about whether or not to participate.