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