inputbooster

Evidence

Ran on Kiln's test stand (2026-11-04): InputBoosterFabric did not start: java.lang.NoClassDefFoundError: net/minecraft/client/gui/screens/options/OptionsSubScreen.

What it needs from Kiln

• Mixin
• com.mojang.blaze3d.platform.InputConstants.Key
• com.mojang.blaze3d.platform.Window
• net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientLifecycleEvents
• net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientLifecycleEvents.ClientStopping
• net.minecraft.client.Options
• net.minecraft.client.gui.components.AbstractSliderButton
• net.minecraft.client.gui.components.AbstractWidget
• net.minecraft.client.gui.components.Button
• net.minecraft.client.gui.components.Button.Builder
• net.minecraft.client.gui.components.Button.OnPress
• net.minecraft.client.gui.components.Checkbox
• net.minecraft.client.gui.components.Checkbox.Builder
• net.minecraft.client.gui.components.Checkbox.OnValueChange
• net.minecraft.client.gui.components.CycleButton
• net.minecraft.client.gui.components.CycleButton.Builder
• net.minecraft.client.gui.components.CycleButton.OnValueChange
• net.minecraft.client.gui.components.OptionsList
• net.minecraft.client.gui.components.StringWidget
• net.minecraft.client.gui.components.Tooltip
• net.minecraft.client.gui.layouts.GridLayout
• net.minecraft.client.gui.layouts.HeaderAndFooterLayout
• net.minecraft.client.gui.layouts.LayoutElement
• net.minecraft.client.gui.layouts.LayoutSettings
• net.minecraft.client.gui.screens.options.OptionsSubScreen
• net.minecraft.client.multiplayer.ServerData
• net.minecraft.client.renderer.state.gui.GuiRenderState
• net.minecraft.client.renderer.state.gui.GuiTextRenderState
• net.minecraft.util.Prediction
• net.minecraft.world.food.FoodData
• net.minecraft.world.item.component.SwingAnimation
• InputConstants.isKeyDown()
• InputConstants.Type.getOrCreate()
• FabricLoader.isModLoaded()
• KeyMapping.isDown()
• Minecraft.getWindow()
• Minecraft.options
• Minecraft.setScreenAndShow()
• ClientPacketListener.getServerData()
• LocalPlayer.drop()
• LocalPlayer.getDeltaMovement()
• and 12 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

InputBooster – Ultra-fast input polling for Minecraft PvP, capturing missed clicks, maintaining sprint, and improving combat responsiveness, even at low FPS. Compatible with Fabric and performance mods like Sodium & Lithium.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file inputbooster-4.0.0-fabric-mc263.jar. The scan reads the mod's classes; it does not run them.