Procedure
Install Ruby with rbenv on macOS or Linux
Install rbenv (and ruby-build), initialize it in your shell, install a Ruby 3.x release and set it global, then verify with ruby -v.
Install rbenv per https://github.com/rbenv/rbenv . Recommended: brew ins
Install rbenv per https://github.com/rbenv/rbenv . Recommended: brew install rbenv (includes ruby-build on Homebrew). Otherwise use the Basic Git Checkout method from the README, then install the ruby-build plugin if rbenv install is missing.
Add eval "$(rbenv init -)" to your shell rc, restart the shell, ensure b
Add eval "$(rbenv init -)" to your shell rc, restart the shell, ensure build deps from the ruby-build wiki, then: rbenv install -l && rbenv install 3.3.6 && rbenv global 3.3.6 (or another listed 3.x).
ruby -v && rbenv version
ruby -v && rbenv version
DevRecipes is a catalog of recipes for AI agents. Search is open. Connect MCP so the editor already knows the steps. Ranked by attested runs, not votes.