Ward

Evidence

Ran on Kiln's test stand (2026-11-04): Ward did not start: java.lang.NoClassDefFoundError: net/minecraft/commands/synchronization/ArgumentTypeInfo.

What it needs from Kiln

• an access widener
• Mixin
• com.mojang.authlib.GameProfile
• net.fabricmc.fabric.api.command.v2.ArgumentTypeRegistry
• net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback
• net.fabricmc.loader.api.ModContainer
• net.fabricmc.loader.api.Version
• net.fabricmc.loader.api.metadata.ModMetadata
• net.minecraft.advancements.predicates.MinMaxBounds
• net.minecraft.advancements.predicates.MinMaxBounds.Doubles
• net.minecraft.advancements.predicates.MinMaxBounds.Ints
• net.minecraft.advancements.triggers.AnyBlockInteractionTrigger
• net.minecraft.advancements.triggers.CriteriaTriggers
• net.minecraft.advancements.triggers.PlayerInteractTrigger
• net.minecraft.commands.CommandBuildContext
• net.minecraft.commands.CommandResultCallback
• net.minecraft.commands.CommandSourceStack
• net.minecraft.commands.Commands
• net.minecraft.commands.Commands.CommandSelection
• net.minecraft.commands.FunctionInstantiationException
• net.minecraft.commands.arguments.ComponentArgument
• net.minecraft.commands.arguments.DimensionArgument
• net.minecraft.commands.arguments.EntityArgument
• net.minecraft.commands.arguments.IdentifierArgument
• net.minecraft.commands.arguments.NbtPathArgument
• net.minecraft.commands.arguments.NbtPathArgument.NbtPath
• net.minecraft.commands.arguments.ObjectiveArgument
• net.minecraft.commands.arguments.RangeArgument
• net.minecraft.commands.arguments.RangeArgument.Floats
• net.minecraft.commands.arguments.RangeArgument.Ints
• net.minecraft.commands.arguments.ResourceOrIdArgument
• net.minecraft.commands.arguments.ResourceOrIdArgument.LootPredicateArgument
• net.minecraft.commands.arguments.ResourceOrTagArgument
• net.minecraft.commands.arguments.ResourceOrTagArgument.Result
• net.minecraft.commands.arguments.ScoreHolderArgument
• net.minecraft.commands.arguments.SlotArgument
• net.minecraft.commands.arguments.SlotSourceArgument
• net.minecraft.commands.arguments.SlotSourceArgument.Result
• net.minecraft.commands.arguments.TimeArgument
• net.minecraft.commands.arguments.blocks.BlockPredicateArgument
• net.minecraft.commands.arguments.coordinates.BlockPosArgument
• net.minecraft.commands.arguments.coordinates.Coordinates
• and 46 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 testing framework for Minecraft datapacks using mcfunction.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file ward-1.2.1.jar. The scan reads the mod's classes; it does not run them.