FFExhaustion

Evidence

Ran on Kiln's test stand (2026-11-04): FabricEntrypoint did not start: java.lang.NoClassDefFoundError: net/fabricmc/fabric/api/attachment/v1/AttachmentRegistry; FabricClientEntrypoint did not start: java.lang.NoClassDefFoundError: net/minecraft/client/gui/screens/options/OptionsSubScreen.

What it needs from Kiln

• Mixin
• com.mojang.blaze3d.platform.Window
• net.fabricmc.fabric.api.attachment.v1.AttachmentRegistry
• net.fabricmc.fabric.api.attachment.v1.AttachmentRegistry.Builder
• 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.event.lifecycle.v1.ServerLifecycleEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStopped
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents.EndLevelTick
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents.StartLevelTick
• net.fabricmc.fabric.api.networking.v1.PayloadTypeRegistry
• net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents
• net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents.Disconnect
• net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents.Join
• net.minecraft.client.gui.Hud
• net.minecraft.core.component.DataComponents
• net.minecraft.network.codec.ByteBufCodecs
• net.minecraft.network.codec.StreamCodec
• 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.server.network.ServerGamePacketListenerImpl
• net.minecraft.world.entity.EquipmentSlot
• net.minecraft.world.entity.ai.attributes.AttributeModifier
• net.minecraft.world.entity.ai.attributes.AttributeModifier.Operation
• net.minecraft.world.phys.HitResult.Type
• net.minecraft.client.gui.screens.options.OptionsSubScreen
• Minecraft.getWindow()
• Gui.hud
• ServerLevel.players()
• ServerPlayer.addEffect()
• ServerPlayer.getAttackStrengthScale()
• ServerPlayer.getDeltaMovement()
• ServerPlayer.getUseItem()
• ServerPlayer.isBlocking()
• ServerPlayer.isShiftKeyDown()
• ServerPlayer.isSprinting()
• ServerPlayer.isSwimming()
• ServerPlayer.isUnderWater()
• and 16 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 stamina mod makes actions less effective the more exhaused you get. Better Combat and Glider compatible.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file ffexhaustion-0.10.1+26.3-fabric.jar. The scan reads the mod's classes; it does not run them.