No Mobs Thank You

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

Evidence

Ran on Kiln's test stand (2026-11-04): NoMobsThankYouFabric did not start: java.lang.NoClassDefFoundError: net/fabricmc/fabric/api/networking/v1/ServerPlayConnectionEvents.

What it needs from Kiln

Mixin
net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback
net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents
net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents.Join
net.minecraft.commands.CommandSourceStack
net.minecraft.commands.Commands
net.minecraft.commands.Commands.CommandSelection
net.minecraft.server.network.ServerGamePacketListenerImpl
net.minecraft.server.permissions.PermissionSet
net.minecraft.server.permissions.Permissions
net.minecraft.world.entity.EntityType
net.minecraft.world.entity.MobCategory
DefaultedRegistry.iterator()
BuiltInRegistries.ENTITY_TYPE

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

In the author's words

Prevents unwanted mobs from spawning via JSON presets and override lists.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file nomobsthankyou-fabric-1.1.4+mc26.3.jar. The scan reads the mod's classes; it does not run them.

Reports from players

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