World Copies Me

Evidence

Ran on Kiln's test stand (2026-11-04): WorldCopiesMeFabric did not start: java.lang.NoClassDefFoundError: net/fabricmc/fabric/api/event/player/PlayerBlockBreakEvents.

What it needs from Kiln

• Mixin
• net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerChunkEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerChunkEvents.Load
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerChunkEvents.Unload
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStopped
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents.EndLevelTick
• net.fabricmc.fabric.api.event.player.PlayerBlockBreakEvents
• net.fabricmc.fabric.api.event.player.PlayerBlockBreakEvents.After
• net.fabricmc.fabric.api.event.player.UseBlockCallback
• net.minecraft.SharedConstants
• net.minecraft.WorldVersion
• net.minecraft.commands.CommandSourceStack
• net.minecraft.commands.Commands
• net.minecraft.commands.Commands.CommandSelection
• net.minecraft.server.MinecraftServer
• net.minecraft.tags.BlockTags
• net.minecraft.world.level.ChunkPos
• net.minecraft.world.level.block.LeverBlock
• net.minecraft.world.level.block.state.properties.DoubleBlockHalf
• net.minecraft.world.level.border.WorldBorder
• net.minecraft.world.level.chunk.LevelChunk
• ServerLevel.destroyBlock()
• ServerLevel.getWorldBorder()
• ServerLevel.isOutsideBuildHeight()
• BlockState.CODEC
• BlockState.is()
• BlockStateProperties.DOUBLE_BLOCK_HALF

On the roadmap: Code next to data (0.3), Mixin (0.5)

In the author's words

Every block you place or mine, Will repeat on every chunk to the world border

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file worldcopiesme-fabric-1.0.0+26.3.jar. The scan reads the mod's classes; it does not run them.