Hijacking the "Pretty" formatter to tag individual actions for Sauce with the step being executed

sauce_formatter.rb

require "cucumber/formatter/pretty"

module Sauce
    class SauceFormatter < Cucumber::Formatter::Pretty
      def initialize(step_mother, io, options)
        super
      end
  
      def before_step(step)
        message = "Cucumber step -- #{step.name}"
        ::Capybara.current_session.execute_script("sauce:context=#{message}")
        super
      end
    end
end

Oh, sweet, thanks for putting the usage instructions!