Freecam

Evidence

Ran on Kiln's test stand (2026-11-04): FreecamFabric did not start: java.lang.NoClassDefFoundError: net/minecraft/client/player/AbstractClientPlayer.

What it needs from Kiln

• an access widener
• Mixin
• com.mojang.authlib.GameProfile
• com.mojang.blaze3d.platform.InputConstants.Key
• net.minecraft.client.Camera
• net.minecraft.client.CameraType
• net.minecraft.client.Options
• net.minecraft.client.gui.screens.GenericMessageScreen
• net.minecraft.client.multiplayer.ClientChunkCache
• net.minecraft.client.multiplayer.ServerData
• net.minecraft.client.player.AbstractClientPlayer
• net.minecraft.client.player.ClientInput
• net.minecraft.client.player.KeyboardInput
• net.minecraft.client.renderer.GameRenderer
• net.minecraft.tags.FluidTags
• net.minecraft.util.Mth
• net.minecraft.world.entity.Entity.RemovalReason
• net.minecraft.world.entity.LivingEntity.SwingDescription
• net.minecraft.world.entity.MoveSimulationType
• net.minecraft.world.entity.Pose
• net.minecraft.world.entity.player.Abilities
• net.minecraft.world.entity.player.Input
• net.minecraft.world.level.ChunkPos
• net.minecraft.world.level.block.BarrierBlock
• net.minecraft.world.level.block.DoorBlock
• net.minecraft.world.level.block.FenceGateBlock
• net.minecraft.world.level.block.IronBarsBlock
• net.minecraft.world.level.block.TransparentBlock
• net.minecraft.world.level.block.TrapDoorBlock
• net.minecraft.world.level.material.PushReaction
• net.minecraft.world.phys.Vec2
• InputConstants.UNKNOWN
• KeyMapping.getDefaultKey()
• KeyMapping.isDown()
• Minecraft.gameDirectory
• Minecraft.gameRenderer
• Minecraft.getCurrentServer()
• Minecraft.hasSingleplayerServer()
• Minecraft.options
• Minecraft.setCameraEntity()
• Minecraft.smartCull
• ClientLevel.addEntity()
• and 15 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 highly customizable freecam mod.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file freecam-fabric-1.5.1+mc26.3.jar. The scan reads the mod's classes; it does not run them.