What Are assistant_service and assistantd, and Why Are They Running on my Mac?

You may need seen assistantd and assistant_service whereas utilizing Exercise Monitor and puzzled what they’re. Nicely, don’t panic: these course of are each a part of macOS, and assist make options like Siri and dictation doable.

This text is a part of our ongoing collection explaining numerous processes present in Exercise Monitor, like kernel_task, hidd, mdsworker, installd, WindowServer, blued, launchd, backup, opendirectoryd, and many others. Don’t know what these companies are? Higher begin studying!

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At present’s processes aren’t significantly effectively documented—there isn’t even a person web page for both of them. However with some testing, we are able to affirm that they each include macOS, and are each associated to Siri and Highlight’s data base.

To start with, each companies’ CPU utilization goes up just a bit bit when Siri is invoked, or when Highlight is looked for one thing like a contact or calendar appointment. Second, each processes reside in /System/Library/PrivateFrameworks/AssistantServices.framework/—a bundle that features icons for Siri, amongst different issues instantly associated to the digital assistant. Third, Exercise Monitor confirms that these processes are accessing issues like Contacts and Calendar appointments, that are precisely what Siri wants in an effort to search for e-mail addresses and your schedule.

So whereas we are able to’t affirm what precisely these processes are doing, we are able to say with confidence that they’re a reputable a part of macOS, and that they’re associated to Siri and Highlight.

Some customers have reported assistantd asking for entry to issues like Contacts each time they invoke Siri. Giving assistantd the requested entry ought to cease these notifications from taking place.

These two processes shouldn’t spike CPU utilization, but when they do consider disabling Siri totally. It ought to assist.

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