npm install canvasxpress-cli --save

cd path/to/install/directory

node_modules/canvasxpress-cli/bin/canvasxpress help
   ____                                        __  __
  / ___|   __ _   _ __   __   __   __ _   ___  \ \/ /  _ __    _ __    ___   ___   ___
 | |      / _` | | '_ \  \ \ / /  / _` | / __|  \  /  | '_ \  | '__|  / _ \ / __| / __|
 | |___  | (_| | | | | |  \ V /  | (_| | \__ \  /  \  | |_) | | |    |  __/ \__ \ \__ \
  \____|  \__,_| |_| |_|   \_/    \__,_| |___/ /_/\_\ | .__/  |_|     \___| |___/ |___/
                                                      |_|

    canvasxpress [command] <options>

    png ................ create a png file from an existing CanvasXpress file or url
    svg ................ create a svg file from an existing CanvasXpress file or url
    json ............... create a json file from an existing CanvasXpress file or url
    csv ................ create a CanvasXpress png file from a local csv file or url
    reproduce .......... create CanvasXpress png files from a local file or url
    canvas ............. run scripts files to test CanvasXpres
    test ............... test package. Creates images and json file in test directory
    version ............ show this package version
    help ............... show this help. Add command to show corresponding help