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String Duper project artwork

Modrinth · Minecraft mod

String Duper

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.

Choose a version Pick your version below, then grab the matching file.

Quick answer

Which String Duper release matches 26.2 Fabric?

Updated 4 days ago
Best match for your filters 1.0.2
Game version 26.2
Loader Fabric

String Duper 1.0.2 targets 26.2 with Fabric. Do not install it on the client. It must be installed on the dedicated server. No extra mods listed for this file.

Where it goes

Is String Duper required on the client, server, or both?

Do not install it on the client. It must be installed on the dedicated server.

Client Not supported
Dedicated server Required
Loader for this release Fabric
Required install it here Optional supported, not mandatory Not supported do not install here Source doesn’t say do not assume

This file is marked server-only.

Understand client and server requirements Read the Minecraft installation guide

What else does String Duper 1.0.2 need?

1.0.2 on 26.2 Fabric. Every mod below is checked against that same setup.

No extra mods listed for this file

This file does not list any required mods. Do not add a library just because a different file uses it.

This file does not list any required or optional mods.

Before you install it

Add String Duper without breaking your instance.

Built for String Duper 1.0.2 on 26.2 Fabric. Pick another file and the loader, install side or required mods may change.

  1. 01

    Stick to this file

    Use 1.0.2. It targets 26.2 with Fabric; another release may have different loader, side or dependency requirements.

  2. 02

    Bring the mods it needs

    This file does not list any required mods. Do not add a library just because a different file uses it.

  3. 03

    Put it on the correct side

    Do not install it on the client. It must be installed on the dedicated server.

  4. 04

    Pick the file you checked

    Use the “Get this file” button beside 1.0.2. It opens that exact file at the source.

About this project

What does String Duper add?

StringDuper

StringDuper is a server-friendly string duplication system designed for stable and predictable farming. It uses structure validation and optimized server-side processing to maintain consistent behavior while reducing unnecessary entity and physics load.

The system is designed for multiplayer servers and supports multiple farms while preventing invalid, overlapping, or excessively dense setups.

Features

  • Deterministic server-side farm processing
  • Optimized 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
  • Reduced entity and physics lag
  • Cached farm validation
  • Event-assisted hook tracking
  • 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
  • Farms generate output every 20 ticks (1 second)

Configuration files:

  • Mods: config/StringDuper.json
  • Plugins: plugins/StringDuper/StringDuper.json

⚠️ We recommend changing the configuration only when necessary.

Limitations

  • A player must remain within 64 blocks for farms to stay active
  • Tripwire chains must remain fully attached
  • Maximum chain distance is limited
  • Invalid or incomplete structures are automatically disabled
  • Overlapping or intersecting farms are blocked
  • Correct hook, trapdoor, lever, and water placement is required
  • Excessive farm stacking is prevented
  • Farms only operate while the structure remains valid

Warning

  • Overlapping or intersecting farms are intentionally disabled
  • Breaking the tripwire structure immediately disables the farm
  • Extremely large-scale farms may still affect server performance
  • Debug mode is recommended only for testing and troubleshooting

Project description from Modrinth.

Pick your setup

String Duper by Minecraft version and loader

Choose the version and loader you play, then open the matching release.

48 available setups

Showing the newest 12 of 16 game versions. Older files are in the list below.

Check the dependencies, then try the file in a copied instance before changing a world you care about.

Recent files

String Duper versions and loaders

2 of 22 releases match
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Looking for an older file? The official Modrinth project page is in Resources.