Anti-Dupe Pack
- By
- Scripts
A simple Anti-Dupe for Worlds, Realms and Servers. Stops the Join-Leave Dupe, Grass-Piston and Bundle Methods entirely. Works with normal/custom items, any stack size, and does not require Beta API - includes alerts/logs, and an administrator menu.
File Details
Anti-Dupe V4
- R
- Jan 25, 2026
- 5.86 KB
- 563
- 1.21.132+2
File Name
Anti-Dupe V4.mcpack
Supported Versions
- 1.21.132
- 1.21.131
- 1.21.130
Anti-Dupe Pack - Version 4.0.0
Version 4.0.0 introduces dedicated mitigation for the Bundle Dupe and improves incident reporting, administrative visibility, and internal logging.
What’s New
Bundle Dupe Protection
- Detects and responds to bundle-based duplication methods in active container setups.
Standardised Incident Announcements
When a dupe attempt is detected, the pack can announce:
- Offender username
- Dupe method attempted
- Specific bundle type involved
- Quantity where available (e.g.
64x minecraft:bundle)
Automatic Hopper Purge
- Automatically removes bundles from hopper inventories when detected, preventing the exploit from continuing or scaling. Administrator Alert System
Administrators can receive a detailed staff-side alert including:
- Exact coordinates of the incident
- A list of nearby players within 100 blocks
Logging System (In-Game Viewer)
- All incidents are recorded to an internal log.Administrators can view logs in a scrollable menu and clear them when needed. Per-Admin Message Controls
Two new settings allow admins to toggle:
- Whether they receive administrator alerts in chat
- Whether public dupe announcements appear in chat
Notes | To Use The Menu
- Have the "Admin" Tag.
- Have a Block of Bedrock in your Hand.
- Right Click / Use LT / "Use" the Item.