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VGSources / Best Minecraft Seed Finders / MCseedFinder

MCseedFinder

github.com

  • Free
  • Linux
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What it is

MCseedFinder is a Linux command-line seed filter for Minecraft Java Edition 26.2, identifying worlds that satisfy biome, structure, and structure-piece requirements. Searches may proceed through a range in sequence or use a non-repeating random traversal of the signed 64-bit space. Filters cover spawn and nearby biomes, structures, structure pieces, and stronghold portal-frame eye counts. Linux x8664 users may choose CPU processing or optional GPU acceleration.

Good, and not so good

  • Free plan
  • Filters spawn, biome, structure, and structure-piece conditions
  • Sequential and non-repeating randomized 64-bit searches
  • JSON-defined searches with JSON Lines result output
  • Uses all logical CPUs reported by the system by default
  • Linux command-line tool only
  • A Rust toolchain and C11-compatible compiler are needed for builds
  • No large-biome, custom-dimension, or data-pack generation support
  • Some structure pieces and terrain checks are incomplete
  • Found seeds should be verified in Minecraft 26.2

Who it suits

Minecraft Java players searching for specific world-generation conditions Linux users comfortable building command-line software Users who need JSON output or optional GPU acceleration

For Minecraft Java 26.2 users on Linux, MCseedFinder focuses on tightly defined seed conditions. It can search broadly, use available CPU resources, and export results for further processing. Its usefulness depends on accepting the default world-type restriction, incomplete structure-piece coverage, and terrain approximations. Building from source adds work, especially for optional GPU paths. Treat every promising result as a candidate to verify in Minecraft before committing a world to it.

Questions

What Minecraft edition does MCseedFinder support?
MCseedFinder targets Minecraft Java Edition 26.2.
Which operating systems are supported?
The listed platform is Linux. CUDA and ROCm/HIP variants are available for Linux x8664.
What can it search for?
Search conditions may cover spawn and nearby biomes, structures, structure pieces, and the starting eye count in the nearest stronghold portal frame.
Does it search seeds in order?
It can process a range sequentially, while random mode visits the signed 64-bit seed space through a non-repeating permutation.
Does MCseedFinder need Minecraft files?
The build, runtime, and tests avoid Minecraft JARs and game installation files, and no game files are downloaded during build or runtime.
Are terrain results exact?
Not always. The tool does not generate complete block chunks, so some spawn landing blocks and approximate terrain checks can differ from the game.
What do I need to build it?
A Rust toolchain and a C11-compatible compiler are needed. The first build fetches general Rust dependencies from crates.io.
Is MCseedFinder free?
Yes, it has a free plan.