Build Events

Evidence

Ran on Kiln's test stand (2026-11-04): BuildEventsMod did not start: java.lang.NoClassDefFoundError: net/minecraft/world/scores/ScoreHolder.

What it needs from Kiln

• Mixin
• net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStarted
• net.fabricmc.fabric.api.event.player.PlayerBlockBreakEvents
• net.fabricmc.fabric.api.event.player.PlayerBlockBreakEvents.Before
• net.minecraft.commands.CommandSourceStack
• net.minecraft.commands.Commands
• net.minecraft.commands.Commands.CommandSelection
• net.minecraft.commands.SharedSuggestionProvider
• net.minecraft.commands.SharedSuggestionProvider.ElementSuggestionType
• net.minecraft.commands.arguments.DimensionArgument
• net.minecraft.commands.arguments.IdentifierArgument
• net.minecraft.commands.arguments.coordinates.BlockPosArgument
• net.minecraft.nbt.CompoundTag
• net.minecraft.nbt.ListTag
• net.minecraft.nbt.NbtOps
• net.minecraft.nbt.Tag
• net.minecraft.network.chat.ComponentUtils
• net.minecraft.server.MinecraftServer
• net.minecraft.server.ReloadableServerRegistries
• net.minecraft.server.ReloadableServerRegistries.Holder
• net.minecraft.server.ServerScoreboard
• net.minecraft.util.context.ContextKeySet
• net.minecraft.util.context.ContextKeySet.Builder
• net.minecraft.world.level.storage.loot.LootContext
• net.minecraft.world.level.storage.loot.LootContext.Builder
• net.minecraft.world.level.storage.loot.LootContext.VisitedEntry
• net.minecraft.world.level.storage.loot.LootParams
• net.minecraft.world.level.storage.loot.LootParams.Builder
• net.minecraft.world.level.storage.loot.parameters.LootContextParams
• net.minecraft.world.level.storage.loot.predicates.LootItemCondition
• net.minecraft.world.phys.AABB
• net.minecraft.world.scores.Objective
• net.minecraft.world.scores.PlayerScoreEntry
• net.minecraft.world.scores.ReadOnlyScoreInfo
• net.minecraft.world.scores.ScoreAccess
• net.minecraft.world.scores.ScoreHolder
• net.minecraft.world.scores.Scoreboard
• net.minecraft.world.scores.criteria.ObjectiveCriteria
• net.minecraft.world.scores.criteria.ObjectiveCriteria.RenderType
• and 6 more

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

In the author's words

Adds build events to track block placements and breaks within an area

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file buildevents-0.4.0+26.3.jar. The scan reads the mod's classes; it does not run them.