LifeSteal Server-side

Evidence

Ran on Kiln's test stand (2026-11-04): it stopped at eu.pb4.polymer.resourcepack.api.PolymerResourcePackUtils, a class from a jar nested inside the mod; Kiln does not unpack nested jars yet.

What it needs from Kiln

• an access widener
• Mixin
• com.mojang.authlib.GameProfile
• com.mojang.math.Transformation
• net.fabricmc.fabric.api.biome.v1.BiomeModifications
• net.fabricmc.fabric.api.biome.v1.BiomeSelectors
• net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback
• 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.ServerTickEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents.StartLevelTick
• net.fabricmc.fabric.api.event.player.UseBlockCallback
• net.fabricmc.fabric.api.gamerule.v1.GameRuleBuilder
• net.fabricmc.fabric.api.gamerule.v1.GameRuleBuilder.BooleanRuleBuilder
• net.fabricmc.fabric.api.gamerule.v1.GameRuleBuilder.EnumRuleBuilder
• net.fabricmc.fabric.api.gamerule.v1.GameRuleBuilder.IntegerRuleBuilder
• net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents
• net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents.Join
• net.fabricmc.fabric.api.networking.v1.context.PacketContext
• net.fabricmc.fabric.api.networking.v1.context.PacketContext.ReadKey
• net.minecraft.commands.CommandSourceStack
• net.minecraft.commands.Commands
• net.minecraft.commands.Commands.CommandSelection
• net.minecraft.commands.arguments.GameProfileArgument
• net.minecraft.core.Direction.Plane
• net.minecraft.core.component.DataComponents
• net.minecraft.core.particles.DustParticleOptions
• net.minecraft.core.particles.ParticleTypes
• net.minecraft.nbt.CompoundTag
• net.minecraft.nbt.DoubleTag
• net.minecraft.nbt.ListTag
• net.minecraft.nbt.NbtAccounter
• net.minecraft.nbt.NbtIo
• net.minecraft.server.MinecraftServer
• net.minecraft.server.ServerScoreboard
• net.minecraft.server.Services
• net.minecraft.server.commands.GameModeCommand
• net.minecraft.server.network.ServerGamePacketListenerImpl
• net.minecraft.server.players.NameAndId
• net.minecraft.server.players.PlayerList
• net.minecraft.server.players.UserNameToIdResolver
• and 75 more

On the roadmap: Minecraft's libraries and client API (0.2), Code next to data (0.3), Machines (0.4), Mixin (0.5)

In the author's words

A fabric server side implementation of the LifeSteal SMP

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file lifesteal-2.6.3.jar. The scan reads the mod's classes; it does not run them.