Why keep-awake tools don't stop Microsoft Teams from showing you as Away

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Keep-awake utilities such as caffeinate and PowerToys Awake prevent the screen and machine from sleeping, but Teams still marks users Away after about five minutes. The reason is that Teams reads the operating system's input idle counter, which power assertions do not reset. The author tested this on Windows 11 and macOS and found that the counter kept climbing despite those assertions. Common workarounds like mouse jigglers and simulated key presses have drawbacks, including moving the cursor or triggering unwanted modifier behavior. The author's solution, a small app called KeepMeOn, posts a neutral modifier-change event on macOS that resets the counter without affecting any application.

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