Alert Tweaks KoHs

Evidence

Ran on Kiln's test stand (2026-11-04): AlertTweaksClient did not start: java.lang.NoClassDefFoundError: net/minecraft/util/Mth.

What it needs from Kiln

• Mixin
• com.mojang.authlib.GameProfile
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents.Disconnect
• net.minecraft.client.User
• net.minecraft.client.gui.Hud
• net.minecraft.client.gui.components.PlayerFaceExtractor
• net.minecraft.client.input.MouseButtonEvent
• net.minecraft.client.multiplayer.ClientLevel.ClientLevelData
• net.minecraft.client.multiplayer.MultiPlayerGameMode
• net.minecraft.client.multiplayer.PlayerInfo
• net.minecraft.client.renderer.PlayerSkinRenderCache
• net.minecraft.client.renderer.PlayerSkinRenderCache.RenderInfo
• net.minecraft.client.renderer.RenderPipelines
• net.minecraft.client.resources.sounds.SimpleSoundInstance
• net.minecraft.client.sounds.SoundEngine
• net.minecraft.client.sounds.SoundEngine.PlayResult
• net.minecraft.client.sounds.SoundManager
• net.minecraft.core.NonNullList
• net.minecraft.core.RegistryAccess
• net.minecraft.server.packs.resources.ResourceManager
• net.minecraft.tags.BlockTags
• net.minecraft.util.FormattedCharSequence
• net.minecraft.util.Mth
• net.minecraft.util.Util
• net.minecraft.world.damagesource.DamageSource
• net.minecraft.world.effect.MobEffect
• net.minecraft.world.effect.MobEffectCategory
• net.minecraft.world.effect.MobEffectInstance
• net.minecraft.world.effect.MobEffects
• net.minecraft.world.entity.EquipmentSlot
• net.minecraft.world.entity.HumanoidArm
• net.minecraft.world.entity.player.Abilities
• net.minecraft.world.entity.player.Inventory
• net.minecraft.world.entity.player.PlayerSkin
• net.minecraft.world.food.FoodData
• net.minecraft.world.item.ItemCooldowns
• net.minecraft.world.item.component.ResolvableProfile
• net.minecraft.world.item.enchantment.EnchantmentHelper
• net.minecraft.world.item.enchantment.Enchantments
• net.minecraft.world.level.ClipContext
• and 64 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

PvP alerts for what the screen does not tell you at a glance: no totem in offhand, enemy totem pops, armour breaking, lethal falls, server lag. Plus a low-health heartbeat and arrows pointing at whoever hit you.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file alert-tweaks-2.0.0+mc26.3.jar. The scan reads the mod's classes; it does not run them.