CoreDefender

Serious Anti-Lag & Anti-Crash Protection for Paper/Spigot 1.18+​

CoreDefender is built for server owners who want stability under real player load.
It detects and destroys lag machines fast, blocks abuse patterns, and keeps your TPS safe without heavy overhead.

Why server owners choose CoreDefender
Instant lag-machine neutralization (before TPS drops too far)
Advanced detection for real-world machine patterns
Low overhead, TPS-aware limits, async-first design
Clear admin alerts with one-click teleport to the incident
Practical admin tools via GUI and commands

Detection coverage
Redstone lag loops and high-frequency clock abuse
Hopper transfer loops and container throughput abuse
Entity spam (ArmorStand, projectile, minecart/vehicle patterns, etc.)
TNT / falling-block abuse
Chunk abuse and suspicious chunk-loading behavior

Admin experience
/lagshield GUI panel
Live TPS and detection stats
Chunk cleanup action
Detection logs in chat
Clickable [TP] alert button to jump directly to detected coordinates

Commands
Code (Text):

/lagshield
/lagshield reload
/lagshield stats
/lagshield toggle
/lagshield tp

Permissions
Code (Text):

coredefender.admin
coredefender.notify

Installation
Drop the .jar into /plugins
Restart server
Adjust config.yml and messages.yml
Open /lagshield and monitor alerts

Compatibility
Java 17+
Paper / Spigot 1.18+