This is a simple shell utility for macOS that can manipulate device Night Shift settings.
This tool has been tested and works in macOS 10.14.4
Night\ Shift\ Helper
Night\ Shift\ Helper enable
Night\ Shift\ Helper disable
Night\ Shift\ Helper set newTemperature
Where newTemperature
is a value between 0.0 and 1.0 (warmest).
Night\ Shift\ Helper version