nsp check checks a package.json / npm-shrinkwrap.json for known vulnerabilities against the Node Security API. Non-public and repository based dependencies are currently skipped. Parameters --output (-o): optional valid values are: default summary json codeclimate quiet none (does what you think it does) --offline: optional when network is unavailable you can use this (but it won't have as many results as the online version) --advisoriesPath: optional when using --offline mode use this option to specify a path to the advisories.json file --warn-only: optional report errors, but always quit with an exit code of 0