A VS Code/Cursor extension providing hot reload functionality for Unity projects. Edit your C# scripts and see changes immediately reflected in Unity without manual refresh.
Disclaimer: This extension is not affiliated with, endorsed by, or an official product of Unity Technologies. Unity and the Unity logo are trademarks or registered trademarks of Unity Technologies or its affiliates in the U.S. and elsewhere.
Developer's Note: This extension is still in active development. We welcome contributions, feedback, and feature requests to help improve its functionality and stability.
Features
Hot Reload - Automatic refresh of Unity when scripts are modified
Project Detection - Works with Unity projects in your workspace or external folders
Status Bar Controls - Quick access buttons for all functionality
Multi-Port Support - Automatically finds available ports if default is in use
Installation
VS Code/Cursor Extension
Install from VS Code Marketplace: Search for "Unity Cursor Toolkit"
Unity Script
Run "Unity Toolkit: Install Unity Script" from the Command Palette
Or select an external project with "Unity Toolkit: Select Unity Project"
Usage
The extension activates automatically with Unity projects. Use the status bar buttons:
Hot Reload: On/Off - Toggle hot reload functionality
Select Unity Project - Choose an external Unity project
Install Unity Script - Install the required Unity script
Verification
Check the Unity console for "Unity Hot Reload server listening on port 55500" to confirm it's working.
Troubleshooting
No connection to Unity
Ensure Unity is running with the project open
Verify the Hot Reload script is installed
Check for firewall blocking port 55500
Restart VS Code/Cursor and Unity
Script not working
Check Unity console for errors
Reinstall the Unity script
Verify no compilation errors in your project
Known Issues
Connection may be lost temporarily during script compilation
Hot reload doesn't apply to changes requiring domain reload
License
MIT License - Copyright (c) 2025 Rank Up Games LLC
Release Notes
0.1.20250320
Updated GitHub repository links
Added multi-port support to handle socket binding issues
