The easiest way would be to "Build & Deploy" the project in the workbench; then add the resulting JAR to your Eclipse project dependencies (either download from the workbench, from the "Artifact repository" or add the workbench's Maven Repository to your Eclipse project's pom.xml). You should then be able to follow the getting started
guide.
Drools supports an "execution server (
Kie Server)" that is effectively a web-service to which you can distribute KJARs and execute commands. This (and similar services - Camal Server etc mentioned in the Integration part of the User Guide) requires the use of JSON, or XML etc to represent the various commands. I think it'd be fair to say it's use is, for now, probably out of your scope.