Meta has released a Mac version of Muse, bringing its consumer AI assistant into native desktop files and applications. The agent can interact with messages, calendars, notes and mail, extending a service that launched on mobile and the web earlier this month.
Access is opt-in, and users can choose which resources Muse may see. Meta says the assistant requests approval before performing sensitive actions. That safeguard is important because desktop agents can move beyond drafting text into reading personal information and changing data inside other apps. The report does not provide an independent security assessment or specify every action Meta classifies as sensitive.
The release puts Muse into direct competition with a growing group of consumer agents that aim to become a layer across existing software rather than another standalone chatbot. Desktop access gives these products more context and makes them more useful for coordinating schedules or managing documents, but it also raises the cost of permission mistakes. Muse and rival assistant Instinct both added voice calling this week, showing how quickly vendors are expanding their interfaces. For Mac users, the practical questions are which integrations work reliably, whether confirmation prompts appear at the right moments and how easily permissions can be reviewed or revoked after setup.