add_widget

What add_widget does on Unreal-MCP

AI agents use add_widget to create or update resources in Unreal-MCP, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Unreal-MCP environment.

Why add_widget is rated Medium

This tool creates UI widgets in the Unreal Editor, modifying the game project state reversibly. It fits the Write category (creates data/assets). Severity is high because uncontrolled widget injection could corrupt UI hierarchies, introduce rendering issues, or add malicious interactive elements, affecting game functionality and end-user experience. Confidence reduced slightly due to empty description.

From the tool's definition Tool name 'add_widget' paired with sibling tools that all perform creation/modification operations (add_blueprint_node, add_component_to_blueprint, add_data_table_row, etc.). The 'add_' prefix indicates creation of new UI elements in Unreal Engine 5.

The rule that runs add_widget safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Unreal-MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For add_widget, this is the rule to start with:

{
  "version": "1",
  "default": "deny",
  "tools": {
    "add_widget": {
      "limits": [
        {
          "counter": "add_widget_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

Questions about add_widget