Amazon has blocked Muse, Meta’s new artificial intelligence assistant, from shopping on the user’s behalf. The online retail giant said on Monday that it had not been notified by Meta in advance that Muse would access its online store, and that Amazon had not authorized the AI agent to do so. The spokesperson compared the arrangement to food-delivery apps working with restaurants or online travel agencies booking plane tickets with airlines. “Agentic third-party applications such as Muse have the same obligations, and we’ve requested that Meta remove Amazon from the experience. 8 as a personal AI agent designed to perform tasks on a user’s behalf rather than simply answer questions.