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Unreal Engine Remote Execution
A server implementation for interacting with Unreal Engine instances through remote Python execution, supporting node management, remote code execution, and real-time monitoring.
rating : 2.5 points
downloads : 7.6K
What is MCP Unreal Server?
MCP Unreal Server acts as a communication hub between your development environment and Unreal Engine instances. It allows you to remotely execute Python code, manage Unreal nodes, and monitor execution status - all without needing direct access to the Unreal Editor.How to use MCP Unreal Server?
After installation, the server automatically discovers running Unreal Engine instances in your network. You can then send Python code to be executed either interactively or in the background.Use Cases
Ideal for: Automated testing in Unreal, Batch processing of assets, Remote debugging, CI/CD pipelines for Unreal projectsKey Features
Unreal Instance Management
Automatically finds Unreal Engine instances on your network and monitors their status in real-time
Remote Python Execution
Run Python code directly in Unreal Engine's Python environment from anywhere on the network
Flexible Execution Modes
Supports different execution styles: run files, execute statements, or evaluate expressions
Comprehensive Monitoring
Detailed logging and connection health tracking for all connected Unreal instances
Advantages
No need for direct Unreal Editor access for automation tasks
Real-time monitoring of multiple Unreal instances
Standardized Python execution environment across all nodes
Limitations
Requires Unreal instances to have MCP plugin installed
Network firewall may need configuration for multicast traffic
Python execution is limited by Unreal's Python API capabilities
Getting Started
Installation
Clone the repository and install required Python packages
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Configuration
Adjust network settings if needed (defaults usually work for local networks)
Start the Server
Launch the server process
Connect Unreal Instances
Ensure your Unreal Editor has the MCP plugin enabled and is running
Usage Scenarios
Batch Asset Processing
Process all textures in your Unreal project with Python scripts
Automated Testing
Run test sequences across multiple Unreal instances simultaneously
Frequently Asked Questions
Why can't the server find my Unreal instances?
What Python version does this use?
Can I execute Blueprint functions through this?
Additional Resources
Unreal Python API Documentation
Official documentation for Unreal Engine's Python API
MCP Plugin Repository
The companion plugin needed in Unreal Engine
Multicast Networking Guide
Troubleshooting multicast network issues
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