global-modules provides a reliable way to determine the globally installed npm modules directory. It offers a consistent cross-platform solution for locating where npm installs packages globally, sidestepping inconsistencies between operating systems and npm configurations. This utility is useful for tools needing to access or manage globally installed command-line interfaces or Node.js modules, ensuring compatibility across different environments and npm versions. Easy to implement and use, global-modules simplifies a common pain point in Node.js development.