Will installing the Mono framework on my system mess up my Unity installation?

Will installing the Mono framework on my system mess up my Unity installation? I believe Unity and it’s Mono framework/SDK are self-contained but I am worried if installing the Mono framework will somehow conflict with Unity. And if you want to know why I want to do this it is because CodeRunner can’t find Unity’s c# compiler, even though the path is set in CodeRunner’s preferences.

Note: CodeRunner is a Mac app that allows compilation and execution of code snippets in various languages. And I already contacted them about this.CodeRunner – Programming Editor for macOS

I have Mono on my Mac:

graham$ which gmcs
/usr/bin/gmcs
graham$ gmcs --version
Mono C# compiler version 2.10.10.0

and doesn’t conflict with the Mono that ships inside Unity.