Chunk = Random Block

Evidence

Ran on Kiln's test stand (2026-11-04): Chunk_randomblock did not start: java.lang.NoClassDefFoundError: net/minecraft/core/BlockPos$MutableBlockPos.

What it needs from Kiln

• Mixin
• net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStopping
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents.StartLevelTick
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents.StartTick
• net.fabricmc.fabric.api.event.player.PlayerBlockBreakEvents
• net.fabricmc.fabric.api.event.player.PlayerBlockBreakEvents.Before
• net.minecraft.commands.CommandSourceStack
• net.minecraft.commands.Commands
• net.minecraft.commands.Commands.CommandSelection
• net.minecraft.core.BlockPos.MutableBlockPos
• net.minecraft.core.component.DataComponents
• net.minecraft.network.chat.Style
• net.minecraft.server.MinecraftServer
• net.minecraft.server.players.PlayerList
• net.minecraft.world.Container
• net.minecraft.world.SimpleContainer
• net.minecraft.world.SimpleMenuProvider
• net.minecraft.world.inventory.ChestMenu
• net.minecraft.world.inventory.MenuType
• net.minecraft.world.level.ChunkPos
• net.minecraft.world.level.block.AmethystClusterBlock
• net.minecraft.world.level.block.BasePressurePlateBlock
• net.minecraft.world.level.block.ButtonBlock
• net.minecraft.world.level.block.FallingBlock
• DefaultedRegistry.byId()
• MutableComponent.setStyle()
• ServerLevel.getHeight()
• ServerLevel.getMinY()
• ServerLevel.players()
• ServerPlayer.chunkPosition()
• ServerPlayer.openMenu()
• ServerPlayer.playSound()
• ServerPlayer.sendSystemMessage()
• Player.chunkPosition()
• ItemStack.set()
• Items.ARROW
• Items.BLACK_WOOL
• Items.BLUE_WOOL
• and 27 more

On the roadmap: Code next to data (0.3), Machines (0.4), Mixin (0.5)

In the author's words

If you enter a new chunk it will be a new random Block

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file chunk_randomblock-1.0+26.1.jar. The scan reads the mod's classes; it does not run them.