Currently, there is no unique features...
To build plugin, run ./gradlew jar. Output should be in build/libs.
Troubleshooting: If you see error like ./gradlew: Permission denied, proceed chmod +x ./gradlew
Move output jar to your server's config/mods directory and restart the server.
If it installed, you will see something like [XX-XX-XXXX XX:XX:XX] [I] Kycb plugin loaded.
You can check installed plugin list using mods server command.