Most of the time I would start mvim from the command line, but that is only possible if you add a softlink into /usr/local/bin/ so I would recommend a more user friendly version.

Described solution
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I would recommend a new check box within the settings panel which will add a softlink to /usr/local/bin/ from the GUI.
Screenshot 2023年05月08日 at 16 30 52

Currently way to add mvim to the cli
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1. Install macvim
2. Add a softlink sudo ln -s /Applications/MacVim.app/Contents/bin/mvim /usr/local/bin/mvim