Caution
This plugin isn't for general use as it contains actions created for a specific company If you are interested in trying this plugin please see Stream Deck Sibelius Runner which contains a plugin runner and command runner which should work for most Sibelius users.
This plugin allows you to run custom & built-in plugins and commands in the Sibelius music notation software using Elgato Stream Deck. Version 2 has added an action to get the number of staves per page, one to increment the staves and one to decrement using custom Sibelius plugins.