Custom Sense

Custom Sense — Item-Based Sensitivity Control

Custom Sense is a lightweight, client-side Fabric mod that dynamically adjusts mouse sensitivity based on the item currently held in the player’s main hand.

Instead of relying on a single global sensitivity setting, the mod enables precise, per-item customization. This allows players to optimize their control for different gameplay scenarios without manually changing settings.

Core Functionality

The mod monitors the item held in the main hand and applies a corresponding sensitivity multiplier in real time.

If no custom rule exists for the current item, the system automatically falls back to the player’s default (vanilla) sensitivity.

Example Use Cases Reduced sensitivity for swords to improve PvP accuracy Further reduced sensitivity for bows or crossbows to maximize precision Increased sensitivity for blocks or utility items to allow faster camera movement Features Per-item mouse sensitivity configuration Real-time automatic sensitivity switching In-game configuration interface with a clean, structured layout “Add current item” functionality for fast rule creation Persistent configuration using a JSON-based storage system Optional HUD element displaying the currently active sensitivity Design Philosophy

Minecraft’s default system applies a single sensitivity value across all contexts. This approach limits control in situations that require varying levels of precision and speed.

Custom Sense removes this limitation by introducing a flexible, item-based sensitivity system that adapts to the player’s current action.

Technical Overview Client-side only (no server installation required) Built specifically for Fabric 1.21.11 Lightweight and performance-efficient Non-invasive implementation that preserves the player’s base sensitivity setting