All mods

Planned

Version
3.1
Author
nnhomoli
Page
modrinth.com/mod/mutator

Mutator

Calls something that is on Kiln's roadmap. Parts of it may already run.

Evidence

Ran on Kiln's test stand (2026-11-04): MutatorEntry did not start: java.lang.NoClassDefFoundError: net/minecraft/world/entity/EntityType.

What it needs from Kiln

  • Mixin
  • net.fabricmc.fabric.api.datagen.v1.DataGeneratorEntrypoint
  • net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents
  • net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStarting
  • net.fabricmc.fabric.api.gamerule.v1.GameRuleBuilder
  • net.fabricmc.fabric.api.gamerule.v1.GameRuleBuilder.BooleanRuleBuilder
  • net.fabricmc.fabric.api.gamerule.v1.GameRuleBuilder.DoubleRuleBuilder
  • net.fabricmc.fabric.api.gamerule.v1.GameRuleBuilder.IntegerRuleBuilder
  • net.minecraft.core.SectionPos
  • net.minecraft.server.MinecraftServer
  • net.minecraft.world.entity.EntityDimensions
  • net.minecraft.world.entity.EntitySpawnReason
  • net.minecraft.world.entity.EntityType
  • net.minecraft.world.entity.EntityTypes
  • net.minecraft.world.entity.ai.attributes.AttributeMap
  • net.minecraft.world.entity.ai.attributes.RangedAttribute
  • net.minecraft.world.level.BlockGetter
  • net.minecraft.world.level.ChunkPos
  • net.minecraft.world.level.CollisionGetter
  • net.minecraft.world.level.ServerLevelAccessor
  • net.minecraft.world.level.gamerules.GameRuleCategory
  • net.minecraft.world.level.gamerules.GameRules
  • net.minecraft.world.level.storage.loot.functions.LootItemFunction
  • net.minecraft.world.phys.AABB
  • net.minecraft.world.phys.shapes.VoxelShape
  • FabricLoader.isModLoaded()
  • BlockPos.betweenClosedStream()
  • Registry.wrapAsHolder()
  • BuiltInRegistries.ATTRIBUTE
  • ServerLevel.getGameRules()
  • ServerLevel.getServer()
  • LivingEntity.getAttributes()
  • LivingEntity.getDimensions()
  • LivingEntity.getPose()
  • LivingEntity.getScale()
  • LivingEntity.position()
  • Attribute.CODEC
  • Attributes.AIR_DRAG_MODIFIER
  • Attributes.BELOW_NAME_DISTANCE
  • Attributes.BOUNCINESS
  • Attributes.CAMERA_DISTANCE
  • and 12 more

On the roadmap: Minecraft's libraries and client API (0.2), Code next to data (0.3), Mixin (0.5)

In the author's words

Attribute randomizer based on logical scaling

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file mutator-fabricmc-3.1.jar. The scan reads the mod's classes; it does not run them.

Reports from players

No reports from players yet.

Thank you. Your report is counted.

Did it run for you in Horizon?

Reports are anonymous: no name and no address is kept. Counts show at once; a text shows after someone has read it.