CLI for https://npmjs.com/validate-npm-package-name - give me a string and I'll tell you if it's a valid npm package name.
npx validate-npm-package-name-cli npm # if not installed
validate-npm-package-name-cli npm # if installed and in the PATH
$ validate-npm-package-name-cli --help
Usage:
validate-npm-package-name-cli <npm package specifier>
npm install --save-dev validate-npm-package-name-cli
MIT