VERIFIED ON MAC
Exam Environments
AI Overlay with Mercer Mettl
Updated October 2026
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3 min read
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Tested with LockDown Browser v2.1.6.01
Mercer Mettl provides assessment platforms with screen monitoring. Fracture offers AI access through a private overlay window on macOS.
Fracture works independently of Mercer Mettl. The overlay is excluded from screen capture and window enumeration at the system level. Use ⌥⇧H to toggle the ChatGPT or Claude overlay.
The Safe macOS Solution
Need reference access during your exam?
Fracture runs a native floating overlay that sets the macOS window privacy flag. It is 100% excluded from screen capture feeds, window lists, and proctor recordings.