Fuji (Essentials)

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

Evidence

Ran on Kiln's test stand (2026-11-04): Fuji did not start: java.lang.NoSuchMethodError: 'java.util.Optional net.fabricmc.loader.api.FabricLoader.getModContainer(java.lang.String)'.

What it needs from Kiln

an access widener
Mixin
com.mojang.authlib.GameProfile
com.mojang.authlib.properties.Property
com.mojang.authlib.properties.PropertyMap
net.fabricmc.api.EnvType
net.fabricmc.loader.api.ModContainer
net.fabricmc.loader.api.Version
net.fabricmc.loader.api.metadata.ModMetadata
net.minecraft.advancements.Advancement
net.minecraft.advancements.Advancement.Builder
net.minecraft.advancements.AdvancementRequirements
net.minecraft.advancements.AdvancementRewards
net.minecraft.advancements.AdvancementType
net.minecraft.advancements.CriterionProgress
net.minecraft.advancements.DisplayInfo
net.minecraft.advancements.triggers.ImpossibleTrigger
net.minecraft.advancements.triggers.ImpossibleTrigger.TriggerInstance
net.minecraft.commands.CommandBuildContext
net.minecraft.commands.CommandSourceStack
net.minecraft.commands.Commands
net.minecraft.commands.Commands.CommandSelection
net.minecraft.commands.arguments.item.ItemArgument
net.minecraft.commands.arguments.item.ItemInput
net.minecraft.core.BlockPos.MutableBlockPos
net.minecraft.core.ClientAsset
net.minecraft.core.ClientAsset.ResourceTexture
net.minecraft.core.LayeredRegistryAccess
net.minecraft.core.NonNullList
net.minecraft.core.RegistryAccess
net.minecraft.core.RegistryAccess.Frozen
net.minecraft.core.SectionPos
net.minecraft.core.component.DataComponents
net.minecraft.nbt.CompoundTag
net.minecraft.nbt.ListTag
net.minecraft.nbt.NbtIo
net.minecraft.nbt.NbtOps
net.minecraft.nbt.Tag
net.minecraft.network.chat.ChatType
net.minecraft.network.chat.ChatType.Bound
net.minecraft.network.chat.ClickEvent
net.minecraft.network.chat.ClickEvent.CopyToClipboard
and 80 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 mod that ports EssentialsX / CMI from bukkit to fabric. (Fully Server-side essential mod)

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file fuji-fabric-14.12.0-38824a5371-mc26.3.jar. The scan reads the mod's classes; it does not run them.

Reports from players

No reports from players yet.

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