Two partners in the same agentic checkout deal are moving in opposite directions Wednesday morning, and a fresh move by one of the world's largest storefronts is rewriting the ceiling on how far the agreement can reach.

Amazon blocked Meta’s Muse AI agent from shopping on Amazon.com, highlighting risks around browser-based agents, platform access, and AI commerce.

Amazon says Meta never disclosed that Muse would access its store, and that the agent doesn't identify itself while browsing

AI agents threaten to upend how consumers interact with online retailers.

Amazon on Wednesday introduced a new agentic artificial ​intelligence service for third-party sellers on ‌its main e-commerce site, expanding automation features for easier listing and inventory management.

Amazon expanded its Seller Assistant by adding 24/7 automation and a Selling Partner plugin for Claude and Amazon Quick, enabling AI to monitor and act on inventory, pricing, and listings with seller-approved actions and audit trails.