String Duper
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StringDuper restores classic tripwire string duping in Minecraft using a controlled tick-based system. Farms only run when the setup, water, and conditions are valid, with safety checks that reduce lag and prevent accidental activation.
Features machines that process raw materials or automation processes.
Enhances farming mechanics and introduces new crops and livestock.
Includes quality of life improvements and small tweaks to enhance and customize gameplay.
Enhances game performance and optimizes resource usage.
Forge is a popular mod loader for versions 1.1+ of Minecraft.
Fabric is a mod loader for versions 1.14+ of Minecraft, particularly popular for client side and optimization mods.
Paper is a fork of Spigot that adds its own plugin API on top of the Bukkit API. All Spigot plugins are compatible with paper, not all paper plugins are compatible with Spigot.
Spigot is a popular software for running dedicated servers that can load Plugins created with the Bukkit API.
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StringDuper
StringDuper transforms string farming into a stable, optimized, and multiplayer-friendly mechanic using deterministic server-side processing, strict structure validation, and smart farm management systems.
Instead of relying on unstable vanilla duplication behavior, the mod provides a cleaner and more scalable farming experience focused on predictable behavior, reduced lag, optimized item spawning, and safer long-term multiplayer performance.
StringDuper preserves the gameplay feel of traditional string dupers while improving stability, scalability, and overall server performance.
Features
- Deterministic server-side farm processing
- Optimized stacked item spawning
- Smart overlap-aware farm detection
- Side-by-side farm compatibility
- Strict tripwire structure validation
- Configurable active farm limits
- 64-block player proximity activation system
- Reduced entity and physics lag
- Cached farm validation system
- Event-assisted hook tracking
- Silent production behavior with optional debug mode
- Multiplayer-safe farm management
- Configurable spawn intervals and batch sizes
- Lightweight tick-based processing
Default configuration:
- Maximum active farms across the server: 32
- Maximum active farms per world: 16
- Unlimited per-player farms enabled by default
- Debug mode disabled by default
- Player feedback messages enabled
- Warning messages are rate-limited to reduce spam
- Farms generate output every 20 ticks (1 second)
All default configuration values can be changed inside:
- For Mods:
config/StringDuper.json - For Plugins:
plugins/StringDuper/StringDuper.json
( We advise against making changes to the JSON file unless it is necessary )
Limitations
- Farms require players within a 64-block radius to remain active
- Tripwire chains must remain fully attached
- Maximum chain distance is limited
- Invalid or incomplete structures are automatically suppressed
- Overlapping or intersecting farms are blocked
- Farms require proper hook, trapdoor, lever, and water placement
- Excessively dense farm stacking is prevented
- Farms only operate while the structure remains fully valid
Warning
- Overlapping or intersecting farms are intentionally suppressed
- Breaking tripwire structure integrity immediately disables the farm
- Extremely large-scale farm abuse may still impact server performance
- Debug mode should remain disabled during normal production gameplay
Support

StringDuper
StringDuper transforms string farming into a stable, optimized, and multiplayer-friendly mechanic using deterministic server-side processing, strict structure validation, and smart farm management systems.
Instead of relying on unstable vanilla duplication behavior, the mod provides a cleaner and more scalable farming experience focused on predictable behavior, reduced lag, optimized item spawning, and safer long-term multiplayer performance.
StringDuper preserves the gameplay feel of traditional string dupers while improving stability, scalability, and overall server performance.
Features
- Deterministic server-side farm processing
- Optimized stacked item spawning
- Smart overlap-aware farm detection
- Side-by-side farm compatibility
- Strict tripwire structure validation
- Configurable active farm limits
- 64-block player proximity activation system
- Reduced entity and physics lag
- Cached farm validation system
- Event-assisted hook tracking
- Silent production behavior with optional debug mode
- Multiplayer-safe farm management
- Configurable spawn intervals and batch sizes
- Lightweight tick-based processing
Default configuration:
- Maximum active farms across the server: 32
- Maximum active farms per world: 16
- Unlimited per-player farms enabled by default
- Debug mode disabled by default
- Player feedback messages enabled
- Warning messages are rate-limited to reduce spam
- Farms generate output every 20 ticks (1 second)
All default configuration values can be changed inside:
- For Mods:
config/StringDuper.json - For Plugins:
plugins/StringDuper/StringDuper.json
( We advise against making changes to the JSON file unless it is necessary )
Limitations
- Farms require players within a 64-block radius to remain active
- Tripwire chains must remain fully attached
- Maximum chain distance is limited
- Invalid or incomplete structures are automatically suppressed
- Overlapping or intersecting farms are blocked
- Farms require proper hook, trapdoor, lever, and water placement
- Excessively dense farm stacking is prevented
- Farms only operate while the structure remains fully valid
Warning
- Overlapping or intersecting farms are intentionally suppressed
- Breaking tripwire structure integrity immediately disables the farm
- Extremely large-scale farm abuse may still impact server performance
- Debug mode should remain disabled during normal production gameplay
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