Simply Server Utils

Evidence

Ran on Kiln's test stand (2026-11-04): Simplyserver did not start: java.lang.NoClassDefFoundError: net/minecraft/world/scores/Scoreboard.

What it needs from Kiln

• Mixin
• net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback
• net.fabricmc.fabric.api.entity.event.v1.ServerLivingEntityEvents
• net.fabricmc.fabric.api.entity.event.v1.ServerLivingEntityEvents.AfterDamage
• net.fabricmc.fabric.api.entity.event.v1.ServerLivingEntityEvents.AfterDeath
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents.EndTick
• 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.commands.arguments.EntityArgument
• net.minecraft.commands.arguments.TeamArgument
• net.minecraft.commands.arguments.TeamColorArgument
• net.minecraft.commands.arguments.coordinates.BlockPosArgument
• net.minecraft.network.protocol.game.ClientboundPlayerInfoUpdatePacket
• net.minecraft.network.protocol.game.ClientboundPlayerInfoUpdatePacket.Action
• net.minecraft.server.MinecraftServer
• net.minecraft.server.network.ServerGamePacketListenerImpl
• net.minecraft.server.players.PlayerList
• net.minecraft.world.effect.MobEffectInstance
• net.minecraft.world.effect.MobEffects
• net.minecraft.world.entity.EquipmentSlot
• net.minecraft.world.entity.Relative
• net.minecraft.world.entity.player.Inventory
• net.minecraft.world.inventory.PlayerEnderChestContainer
• net.minecraft.world.level.ChunkPos
• net.minecraft.world.level.GameType
• net.minecraft.world.scores.Objective
• net.minecraft.world.scores.PlayerTeam
• net.minecraft.world.scores.ScoreAccess
• net.minecraft.world.scores.Scoreboard
• net.minecraft.world.scores.TeamColor
• net.minecraft.world.scores.criteria.ObjectiveCriteria
• net.minecraft.world.scores.criteria.ObjectiveCriteria.RenderType
• FabricLoader.isModLoaded()
• ServerLevel.getScoreboard()
• ServerLevel.getServer()
• ServerPlayer.addEffect()
• ServerPlayer.chunkPosition()
• and 15 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

This mod adds new commands for server utility

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file simplyserver-1.0.0.jar. The scan reads the mod's classes; it does not run them.