spctl

Manage the security assessment policy subsystem. Utility for managing Gatekeeper in macOS. More information: https://www.unix.com/man-page/osx/8/SPCTL/.

Turn off Gatekeeper:

spctl --master-disable

Add a rule to allow an application to run (labeling of rule is optional):

spctl --add --label {{rule_name}} {{path/to/file}}

Turn on Gatekeeper:

spctl --master-enable

List all rules on the system:

spctl --list