More Axolotl Variants API

Calls something that is on Kiln's roadmap. Parts of it may already run.

Evidence

Ran on Kiln's test stand (2026-11-04): it stopped at io.github.akashiikun.mavapi.impl.MavApiInit, a class from a jar nested inside the mod; Kiln does not unpack nested jars yet.

What it needs from Kiln

an access widener
Mixin
net.fabricmc.fabric.api.event.registry.DynamicRegistries
net.fabricmc.fabric.api.event.registry.DynamicRegistries.SyncOption
net.fabricmc.fabric.api.object.builder.v1.entity.FabricEntityDataRegistry
net.minecraft.core.ClientAsset
net.minecraft.core.ClientAsset.ResourceTexture
net.minecraft.core.component.DataComponentType
net.minecraft.core.component.DataComponentType.Builder
net.minecraft.core.registries.codec.RegistryFixedCodec
net.minecraft.network.codec.ByteBufCodecs
net.minecraft.network.syncher.EntityDataSerializer
net.minecraft.world.entity.variant.PriorityProvider
net.minecraft.world.entity.variant.PriorityProvider.Selector
net.minecraft.world.entity.variant.SpawnPrioritySelectors
BuiltInRegistries.DATA_COMPONENT_TYPE

On the roadmap: Code next to data (0.3), Mixin (0.5)

In the author's words

Lightweight API to implement new axolotl variants.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file mavapi-fabric-2.4.0+26.3.jar. The scan reads the mod's classes; it does not run them.

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