Use this tag when your question is specifically about setting up a local/development environment using MAMP.

MAMP is a solution stack composed of free and open-source and proprietary commercial software used together to run dynamic web sites on Apple Macintosh computers. MAMP is an acronym of macOS, the operating system; Apache, the web server; MySQL, the database management system; and PHP, Perl, or Python, all programming languages used for web development. (Wikipedia)