Hibernate MC (Formerly Hibernate Fabric)

Evidence

Ran on Kiln's test stand (2026-11-04): HibernateMCFabric did not start: java.lang.NoClassDefFoundError: net/fabricmc/fabric/api/event/lifecycle/v1/ServerLifecycleEvents.

What it needs from Kiln

• net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerChunkEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerChunkEvents.FullChunkStatusChange
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStarted
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStarting
• 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.StartTick
• net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents
• net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents.Disconnect
• net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents.Join
• net.minecraft.commands.CommandSourceStack
• net.minecraft.commands.Commands
• net.minecraft.commands.Commands.CommandSelection
• net.minecraft.network.chat.TextColor
• net.minecraft.server.MinecraftServer
• net.minecraft.server.level.FullChunkStatus
• net.minecraft.server.level.ServerChunkCache
• net.minecraft.server.network.ServerGamePacketListenerImpl
• net.minecraft.server.permissions.Permission
• net.minecraft.server.permissions.Permission.HasCommandLevel
• net.minecraft.server.permissions.PermissionLevel
• net.minecraft.server.permissions.PermissionSet
• net.minecraft.world.Difficulty
• net.minecraft.world.level.ChunkPos
• net.minecraft.world.level.chunk.LevelChunk
• net.minecraft.world.level.gamerules.GameRule
• net.minecraft.world.level.gamerules.GameRules
• net.minecraft.world.level.storage.WorldData
• Holder.getRegisteredName()
• BuiltInRegistries.ENTITY_TYPE
• Identifier.tryParse()
• ServerLevel.dimensionTypeRegistration()
• ServerLevel.getAllEntities()
• ServerLevel.getChunkSource()
• Entity.chunkPosition()
• Entity.discard()
• Entity.getType()
• Entity.hasCustomName()
• and 1 more

On the roadmap: Code next to data (0.3)

In the author's words

Lets your Minecraft Fabric or NeoForge server snooze when idle, slashing CPU usage without missing a block!

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file hibernate_mc-fabric-1.3.0+mc26.3.jar. The scan reads the mod's classes; it does not run them.