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Meta Launches Muse for Mac: A Personal AI Agent That Works Across Your Files, Mail, Messages, Calendar and Notes

AnnouncementProductSep 19, 2026

Meta released Muse for Mac, a free macOS agent that acts directly on users' computers, working with native apps like Files, Mail, Messages, Calendar, and Notes. Mark Zuckerberg and Chief AI Officer Alexandr Wang announced the launch; Muse debuted on iOS, Android, web, and WhatsApp on September 8th, topping U.S. App Store charts per TechCrunch. Access is opt-in, with sensitive actions like deleting files requiring approval. It's US-only, hosted, and free up to 100M tokens weekly.

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MetaCompanyTechCrunchCompanyMark ZuckerbergPersonMuseModelAlexandr WangPerson
Canonical: https://www.marktechpost.com/2026/09/19/meta-launches-muse-for-mac/