Health Indicators Fairplay

Evidence

Ran on Kiln's test stand (2026-11-04): HealthIndicatorsFabric did not start: java.lang.NoClassDefFoundError: net/minecraft/network/protocol/common/custom/CustomPacketPayload.

What it needs from Kiln

• an access widener
• Mixin
• com.mojang.blaze3d.vertex.VertexConsumer
• io.netty.channel.Channel
• io.netty.channel.ChannelHandlerContext
• io.netty.channel.ChannelPipeline
• net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientEntityEvents
• net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientEntityEvents.Unload
• net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientLifecycleEvents
• net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientLifecycleEvents.ClientStopping
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents.Disconnect
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents.Join
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking.Context
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking.PlayPayloadHandler
• net.fabricmc.fabric.api.networking.v1.PacketSender
• net.fabricmc.fabric.api.networking.v1.PayloadTypeRegistry
• net.fabricmc.loader.api.ModContainer
• net.fabricmc.loader.api.Version
• net.fabricmc.loader.api.metadata.ModMetadata
• net.minecraft.network.Connection
• net.minecraft.network.FriendlyByteBuf
• net.minecraft.network.codec.StreamCodec
• net.minecraft.network.protocol.common.ServerboundCustomPayloadPacket
• 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.util.Mth
• net.minecraft.world.damagesource.DamageSource
• net.minecraft.world.effect.MobEffects
• net.minecraft.world.entity.AgeableMob
• net.minecraft.world.entity.EntityType
• net.minecraft.world.entity.monster.Monster
• net.minecraft.world.entity.projectile.ProjectileUtil
• net.minecraft.world.level.storage.LevelData
• net.minecraft.world.phys.AABB
• net.minecraft.world.phys.EntityHitResult
• net.minecraft.world.phys.HitResult.Type
• FabricLoader.getModContainer()
• KeyMapping.isDown()
• Minecraft.getCameraEntity()
• and 33 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

A fork of Health Indicators by AdyTech99. All core features are unchanged. This fork adds a few focused changes.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file HealthIndicators-fabric-26.3-1.jar. The scan reads the mod's classes; it does not run them.