SitOnEverything

Evidence

Ran on Kiln's test stand (2026-11-04): SitOnEverythingFabric did not start: java.lang.NoClassDefFoundError: net/minecraft/world/entity/decoration/ArmorStand; SitOnEverythingFabricClient did not start: java.lang.NoSuchFieldError: Class com.mojang.blaze3d.platform.InputConstants does not have member field 'com.mojang.blaze3d.platform.InputConstants$Key UNKNOWN'.

What it needs from Kiln

• com.mojang.blaze3d.platform.InputConstants.Key
• com.mojang.blaze3d.platform.Window
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking
• net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStarting
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStopping
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents.EndLevelTick
• net.fabricmc.fabric.api.event.player.UseBlockCallback
• net.fabricmc.fabric.api.event.player.UseEntityCallback
• net.fabricmc.fabric.api.networking.v1.PayloadTypeRegistry
• net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents
• net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents.Join
• net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking
• net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking.Context
• net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking.PlayPayloadHandler
• net.minecraft.commands.CommandSourceStack
• net.minecraft.commands.Commands
• net.minecraft.commands.Commands.CommandSelection
• net.minecraft.core.Direction.Axis
• net.minecraft.network.FriendlyByteBuf
• net.minecraft.network.codec.StreamCodec
• net.minecraft.network.protocol.common.custom.CustomPacketPayload
• net.minecraft.network.protocol.common.custom.CustomPacketPayload.Type
• net.minecraft.network.protocol.common.custom.CustomPacketPayload.TypeAndCodec
• net.minecraft.server.MinecraftServer
• net.minecraft.server.network.ServerGamePacketListenerImpl
• net.minecraft.tags.BlockTags
• net.minecraft.world.entity.EntityDimensions
• net.minecraft.world.entity.EntityType
• net.minecraft.world.entity.Marker
• net.minecraft.world.entity.Mob
• net.minecraft.world.entity.NeutralMob
• net.minecraft.world.entity.ai.Brain
• net.minecraft.world.entity.ai.control.LookControl
• net.minecraft.world.entity.ai.memory.MemoryModuleType
• net.minecraft.world.entity.boss.enderdragon.EnderDragon
• net.minecraft.world.entity.boss.enderdragon.EnderDragonPart
• net.minecraft.world.entity.boss.wither.WitherBoss
• and 66 more

On the roadmap: Minecraft's libraries and client API (0.2), Code next to data (0.3)

In the author's words

Sit on almost any block or entity with configurable seat positions, vanilla presets, and quick hotkey support.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file sitoneverything-fabric-26.3-1.2.0.jar. The scan reads the mod's classes; it does not run them.