This simple Add-on will create an Alert for Signal Sciences to create a Blacklist entry for an IP. Typical ways to use this is via a Correlation Search Adaptive Response action or manually from a search as an alert/trigger.
This is an open source project, no support provided, public repository available and installation documentation can be found a https://github.com/dacoburn/sigsci-splunk-alert . The best way to report issues with the App is to create an Issue on the github page so that it can be tracked.