npc-lib

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

Evidence

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

What it needs from Kiln

an access widener
Mixin
com.mojang.authlib.GameProfile
com.mojang.authlib.properties.Property
com.mojang.authlib.properties.PropertyMap
net.fabricmc.fabric.api.event.EventFactory
net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking
net.fabricmc.fabric.impl.networking.PayloadTypeRegistryImpl
net.minecraft.SharedConstants
net.minecraft.WorldVersion
net.minecraft.core.PositionAndRotation
net.minecraft.core.RegistryAccess
net.minecraft.core.RegistryAccess.Frozen
net.minecraft.network.RegistryFriendlyByteBuf
net.minecraft.network.chat.ComponentSerialization
net.minecraft.network.chat.RemoteChatSession
net.minecraft.network.chat.RemoteChatSession.Data
net.minecraft.network.protocol.common.custom.CustomPacketPayload
net.minecraft.network.protocol.common.custom.CustomPacketPayload.Type
net.minecraft.network.protocol.common.custom.CustomPacketPayload.TypeAndCodec
net.minecraft.network.protocol.game.ClientboundAddEntityPacket
net.minecraft.network.protocol.game.ClientboundAnimatePacket
net.minecraft.network.protocol.game.ClientboundMoveEntityPacket
net.minecraft.network.protocol.game.ClientboundMoveEntityPacket.Rot
net.minecraft.network.protocol.game.ClientboundPlayerInfoRemovePacket
net.minecraft.network.protocol.game.ClientboundPlayerInfoUpdatePacket
net.minecraft.network.protocol.game.ClientboundPlayerInfoUpdatePacket.Action
net.minecraft.network.protocol.game.ClientboundPlayerInfoUpdatePacket.Entry
net.minecraft.network.protocol.game.ClientboundRemoveEntitiesPacket
net.minecraft.network.protocol.game.ClientboundRotateHeadPacket
net.minecraft.network.protocol.game.ClientboundSetEntityDataPacket
net.minecraft.network.protocol.game.ClientboundSetEquipmentPacket
net.minecraft.network.protocol.game.ClientboundSwingAnimationPacket
net.minecraft.network.protocol.game.ServerboundAttackPacket
net.minecraft.network.protocol.game.ServerboundInteractPacket
net.minecraft.network.protocol.game.ServerboundMovePlayerPacket
net.minecraft.network.protocol.game.ServerboundMoveVehiclePacket
net.minecraft.network.protocol.game.ServerboundPlayerInputPacket
net.minecraft.network.syncher.EntityDataSerializers
net.minecraft.network.syncher.SynchedEntityData
net.minecraft.network.syncher.SynchedEntityData.DataValue
net.minecraft.server.MinecraftServer
and 19 more

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

Simple & Extendable NPC library for Minecraft Java Edition Servers

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file npc-lib-fabric-3.0.0-beta.18.jar. The scan reads the mod's classes; it does not run them.

Reports from players

No reports from players yet.

Thank you. Your report is counted.