Short Answer
Meta's Muse can carry out online tasks, but its work still needs checking. It's useful if it saves time after that review and you're comfortable with the account access it needs.
Full Analysis
Meta introduced Muse, its personal AI agent, on September 8, 2026. An agent is software that can carry out steps for you online. Meta describes access through the Muse app and WhatsApp, with a U.S. rollout on iPhone, Android, and the web. Using it means deciding which tasks it can perform and which accounts it can access.
Meta's official U.S. App Store listing gives Muse an age rating of 18+. Parents shouldn't treat it as an app for a child to use without oversight, especially when it has access to accounts.
The names can cause confusion. Muse is the personal assistant, while Muse Spark and Muse Wonder are names for the AI technology behind Meta's products. On October 12, 2026, Meta said Muse Wonder would begin rolling out to Muse subscribers. That announcement doesn't mean every account has access to it.
Everyday uses
Meta's published examples include turning a saved Instagram recipe video into a grocery list. Its design team also describes help with family calendars and school preparations. I haven't tested Muse myself.
The recipe task gives you a clear way to judge the tool because you can compare the list with the video and check the amounts before buying anything. The time spent on that review counts toward the chore. A list that needs enough corrections could take longer to fix than writing it yourself.
Meta also describes work that continues after the app closes. An activity log records what happened, so you can check whether a task finished while you were doing something else. Users can also change how often Muse offers suggestions they didn't ask for.
Access and approval
Meta says users choose which services to connect and can later remove that access. Its design documents describe approval screens for important actions, plus a record of the permissions you've granted. Before connecting an account, check what Muse will be able to do with it and how long that permission lasts.
An approval doesn't always lead to a fresh question before each step. Meta's safety documents say actions already approved, or those considered lower risk, can go ahead without another prompt. They also warn that Muse can make mistakes. Even when an approval screen is clear, you still need to check whether the proposed action makes sense.
A draft list leaves room for review. An order spends money, and a sent message reaches another person. Those actions call for closer checks because an error can leave you with a charge or something to explain. Read whether your approval covers one action or future actions too.
Privacy and personal data
Meta says Muse chats and workspace data aren't shared with its ad systems. Its safety documents also say browsing done on your behalf can affect ads indirectly, so that promise has limits.
The same documents describe using interaction data to train AI after removing key identifying details, with a choice to opt out. Meta can also access data when needed to run or protect the service, or provide support. A setup that would prevent that access is described as planned; it wasn't part of the launch version.
My Recommendation
A grocery-list trial lets you test Muse without giving it permission to spend money. Compare the list with the recipe and review what Muse did before granting more access. Keep sensitive family files out of that first trial, and turn off training before sharing personal data.
Before paying for a subscription, check the offer in your account and choose a recurring task that would justify the cost. Count the time spent checking and correcting the work when deciding whether the subscription is worth keeping.