Slumber

Evidence

Server-side mod: Kiln runs mods' code on Horizon's single-player server, not on dedicated servers.

What it needs from Kiln

• Mixin
• net.minecraft.commands.CommandSourceStack
• net.minecraft.commands.Commands
• net.minecraft.commands.Commands.CommandSelection
• net.minecraft.server.MinecraftServer
• net.minecraft.server.ServerTickRateManager
• net.minecraft.server.commands.GameModeCommand
• net.minecraft.server.dedicated.Settings
• net.minecraft.server.dedicated.Settings.MutableValue
• net.minecraft.world.TickRateManager
• net.minecraft.world.level.storage.LevelStorageSource
• net.minecraft.world.level.storage.LevelStorageSource.LevelStorageAccess
• org.apache.logging.log4j.LogManager
• org.apache.logging.log4j.Logger
• Component.nullToEmpty()

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

Let the server rest while there are no players online

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file Slumber-2.0.0.jar. The scan reads the mod's classes; it does not run them.