yo

`yo` is a command‑line interface that runs Yeoman generators, which are plugins used to scaffold complete projects or parts of projects. By installing the tool globally and adding desired generators, developers can invoke commands such as `yo webapp` to create a new application structure following community‑maintained best practices. The CLI also supports running local generators, disabling color output, and listing available generators.

The tool targets developers who need a quick, repeatable way to set up project scaffolding without manually configuring files and directories. It integrates with npm for installing generators and can be invoked via package managers like Homebrew. Options such as `--local-only` limit lookup to locally installed generators, while `yo doctor` helps diagnose common issues.

`yo` is a stable component of the Yeoman ecosystem, providing a consistent interface for generator discovery, execution, and troubleshooting, and it is available as a global npm package.