So when you run meteor, by default, it will create a mongo database.
Is there any way to connect to this mongo db? I am trying to create some scripts that will make some managerial tasks, such as downloading some data from the database within my npm scripts.
You can install a separate MongoDB server on your machine. That way it will always run, regardless of whether you actually run the app. Depending on your OS it may be as simple as issuing one command. For example, on OSX (if you have Homebrew installed):
brew install mongodb
Then you can run Meteor and connect to this database by running a command like this: