BreedTimer

Evidence

Ran on Kiln's test stand (2026-11-04): BreedTimerFabric did not start: java.lang.NoClassDefFoundError: net/minecraft/world/entity/animal/Animal.

What it needs from Kiln

• Mixin
• com.mojang.blaze3d.vertex.PoseStack
• 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.rendering.v1.level.LevelRenderContext
• net.fabricmc.fabric.api.client.rendering.v1.level.LevelRenderEvents
• net.fabricmc.fabric.api.client.rendering.v1.level.LevelRenderEvents.CollectSubmits
• net.minecraft.client.gui.Font.DisplayMode
• net.minecraft.client.gui.Hud
• net.minecraft.client.multiplayer.ServerData
• net.minecraft.client.renderer.SubmitNodeCollector
• net.minecraft.client.renderer.entity.state.EntityRenderState
• net.minecraft.client.renderer.state.level.CameraRenderState
• net.minecraft.client.renderer.state.level.LevelRenderState
• net.minecraft.client.server.IntegratedServer
• net.minecraft.core.BlockPos.MutableBlockPos
• net.minecraft.core.component.DataComponentMap
• net.minecraft.core.component.DataComponents
• net.minecraft.network.protocol.game.ClientboundSoundPacket
• net.minecraft.tags.BlockTags
• net.minecraft.tags.ItemTags
• net.minecraft.tags.TagKey
• net.minecraft.world.entity.AgeableMob
• net.minecraft.world.entity.AnimationState
• net.minecraft.world.entity.TamableAnimal
• net.minecraft.world.entity.animal.Animal
• net.minecraft.world.entity.animal.allay.Allay
• net.minecraft.world.entity.animal.armadillo.Armadillo
• net.minecraft.world.entity.animal.axolotl.Axolotl
• net.minecraft.world.entity.animal.bee.Bee
• net.minecraft.world.entity.animal.camel.Camel
• net.minecraft.world.entity.animal.chicken.Chicken
• net.minecraft.world.entity.animal.cow.Cow
• net.minecraft.world.entity.animal.cow.MushroomCow
• net.minecraft.world.entity.animal.dolphin.Dolphin
• net.minecraft.world.entity.animal.equine.AbstractHorse
• net.minecraft.world.entity.animal.equine.Donkey
• net.minecraft.world.entity.animal.equine.Horse
• net.minecraft.world.entity.animal.equine.Llama
• net.minecraft.world.entity.animal.equine.Mule
• and 69 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

BreedTimer shows countdown timers above animals and villagers so you know when they can breed again.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file breedtimer-fabric-1.6.2+mc26.3.jar. The scan reads the mod's classes; it does not run them.