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DupeDucks
DupeDucks is a lightweight, high-performance item duplication plugin for Minecraft 1.21+ Paper and Spigot servers. It provides a simple, fun, and secure way for players to multiply items using a duck-themed command interface while giving server administrators full control over safety, blacklists, and cooldowns.
Overview & Functionality
DupeDucks adds the /dupe <1-10> command, allowing players with permission to multiply the item stack held in their main hand by a factor of 1 to 10. The plugin automatically respects standard item stack limits (e.g., maximum stacks of 64 or 16) and places excess duplicated items into empty inventory slots or safely drops them at the player's feet if their inventory is full.
Security & Anti-Exploit Features
To prevent economy exploits and unauthorized item multiplication, DupeDucks includes a robust blacklist engine:
- Deep Container Scanning: When a player attempts to duplicate a container (such as a Shulker Box, Bundle, Chest, or Barrel), the plugin recursively scans every item inside the container. If a blacklisted item is detected anywhere inside, the duplication attempt is instantly cancelled.
- In-Game Blacklist Management: Administrators can view and manage blacklisted items in real time using the
/dupeblacklistcommand. - Spam Prevention: Includes a configurable cooldown system (default: 30 seconds) to prevent command spam, with custom permission nodes to allow staff to bypass cooldowns.
Commands & Permissions
/dupe <1-10>Duplicates the held item stack (Requiresdupeducks.use)./dupe helpDisplays the plugin help menu./dupe reloadReloads the plugin configuration (Requiresdupeducks.admin)./dupeblacklist <add|remove|list>Manages blocked items (Requiresdupeducks.admin).
