generator-slack-slash 
Yeoman generator for slack-slash app and handler plugins.
Getting Started
If you're not familiar with Yeoman, you should start here.
Install yeoman
npm install -g yo
Install the generator
npm install -g generator-slack-slash
Generating a slack-slash app
Initiate the app generator:
yo slack-slash
Follow the steps
? Name your app:
Tell Yeoman what to call your app.
? Set up initial handlers?
Already know what handlers you want to include?
Optional steps for adding initial handlers:
? List handlers to use (comma separated):
Comma-separated list of handler modules
? What is the /:command for [handler]?
Command used to invoke the handler from Slack (excluding '/')
? Environment variable for your slack token:
Environment variable name for the handler token
Generating a slack-slash handler
Initiate the handler generator:
yo slack-slash:handler
Follow the steps
? What's the slash command for your handler? (/:command)
Command used to invoke the handler from Slack (excluding '/')
? Whats the name of your handler?
Module name. Defaults to slack-slash-[command].
? Give a short description for your handler:
Description will be used in the generated README.md file.