Summary
Unreal MCP currently doesn’t allow AI agents to set material Parameter Names using the “Set Scalar Parameter (Brush)” conversion function. The binding is created, but the material parameter needs to be binded manually using the dropdown menu.
Please select what you are reporting on:
Unreal Editor for Fortnite
What Type of Bug are you experiencing?
UI/Tools
Steps to Reproduce
Connect unreal MCP to an agent
Create a UMG widget, add an image to it with a material that contains a parameter
Ask the AI agent to create a verse field and link it to the image using the Set Scalar Parameter (Brush) conversion function
Expected Result
The AI agent creates the binding and sets the Parameter Name correctly
Observed Result
The AI agent creates the binding but cannot bind the Parameter Name, leaving the field to None
Platform(s)
windows
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