device_list

What device_list does on Uefn

AI agents call device_list to retrieve information from Uefn without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Why device_list is rated Low

This tool only queries and retrieves metadata about device actors in the level—their types and locations. It performs no side effects, does not create, modify, or delete data, and does not execute operations. This is a straightforward read operation with minimal risk even if misused by an agent, as it merely exposes information already visible in the editor.

From the tool's definition Tool name and description: 'List all Verse/Creative device actors in the current level with their types and locations.' The verb 'list' and the action of retrieving information about existing actors with no modification, deletion, or execution capability.

The rule that runs device_list safely

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

{
  "version": "1",
  "default": "deny",
  "tools": {
    "device_list": {}
  }
}

Questions about device_list