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RepeaterFinder

RepeaterFinder is free, open-source software for finding Minecraft Java Edition world seeds with repeating structures near spawn.

Place
#30 of 36
Score
5.4
RepeaterFinder's website

What RepeaterFinder is

RepeaterFinder is free, open-source software for finding Minecraft Java Edition world seeds with repeating structures near spawn. It scans a configurable chunk radius for selected Overworld structures, checks biome viability, and looks for positions repeating at intervals along the X or Z axis. The default minimum is four structures. Hunt mode searches random seeds, while single scan mode analyzes a known seed. Users can work from a command-line interface or a Tkinter graphical interface with real-time updates. Settings include Minecraft version, structure type, scan radius, minimum structure count, and periodicity threshold. Qualifying seeds and coordinates can be exported to JSON or CSV, and structure positions can be plotted to PNG. The README describes Minecraft Java support for versions 1.18–1.21+ and installation with pip on Windows, macOS, and Linux. Python 3.11 or later is required, along with cubiomespi, NumPy, Matplotlib, and tqdm. The project uses the MIT License. Additional Minecraft versions require adding version enums as cubiomespi updates. The listed search features do not include terrain analysis, spawn filters, or a map preview.

Good

  • Free and open source
  • Hunt and known-seed scan modes
  • Command-line and Tkinter interfaces
  • JSON, CSV, and PNG exports
  • Configurable structures, radius, and thresholds

Watch out

  • Requires Python 3.11 or later
  • Supports Java Edition only
  • No terrain analysis or spawn filters
  • No map preview

Who it suits

RepeaterFinder suits Minecraft Java players who want repeating-structure seed searches on Windows, macOS, or Linux. It is geared toward users comfortable installing Python software and choosing scan parameters.

Verdict

RepeaterFinder offers configurable repeating-structure searches with both terminal and graphical interfaces. Its Java-focused scope and missing map, terrain, and spawn features define what it can cover.

The facts

Each one read from RepeaterFinder's own pages, with the date it was checked.

What it does

Configuration
Users can adjust Minecraft version, structure type, scan radius, minimum structures, and periodicity threshold.checked 9 Oct 2026
Dependencies
The README names cubiomespi, NumPy, Matplotlib, tqdm, and Python 3.11+ among its technology requirements.checked 9 Oct 2026
Distribution
The README gives installation steps using pip and shows virtual-environment activation instructions for Windows, macOS, and Linux.checked 9 Oct 2026
Exports
Qualifying seeds and coordinates can be exported to JSON and CSV, and structure positions can be plotted to PNG.checked 9 Oct 2026
Game versions
The README describes support for Minecraft Java versions 1.18–1.21+.checked 9 Oct 2026
Installation
The README gives setup steps for Windows and macOS/Linux and describes installing the package with pip.checked 9 Oct 2026
Interface
The project includes a command-line interface and a Tkinter GUI with real-time updates and plotting.checked 9 Oct 2026
Interfaces
The project provides a command-line interface and a Tkinter graphical interface with real-time updates.checked 9 Oct 2026
License
The README states that the project is licensed under the MIT License.checked 9 Oct 2026
Limit
The README says additional Minecraft versions require adding version enums as cubiomespi updates.checked 9 Oct 2026
Purpose
RepeaterFinder hunts Minecraft Java Edition world seeds with repeating structures near spawn and reports viable chunk coordinates.checked 9 Oct 2026
Repeat detection
It analyzes structure positions for repeating intervals along the X or Z axis, with a minimum of four structures by default.checked 9 Oct 2026
Requirements
The setup file specifies Python 3.11 or later.checked 9 Oct 2026
Search modes
It offers hunt mode for finding random seeds and single scan mode for analyzing a known seed.checked 9 Oct 2026
Structure search
It scans a configurable chunk radius for selected Overworld structures and filters positions for biome viability.checked 9 Oct 2026
Version support
The README describes support for Minecraft Java versions 1.18–1.21+.checked 9 Oct 2026

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