execute_console_command · Unreal MCP: Risk & Policy

WHAT IT DOES

What execute_console_command does on Unreal

AI agents invoke execute_console_command to trigger actions in Unreal. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why execute_console_command needs a policy

This tool executes arbitrary commands in the Unreal Editor environment with effects entirely dependent on user-supplied arguments. While the tool itself is not inherently destructive, it provides a direct execution vector for any console command, which may include destructive operations (delete actors, drop assets), financial implications (server costs), or other high-impact side effects.

From the tool's definition Tool is named 'execute_console_command' and explicitly described as 'Run a console command in the Unreal Editor'.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

execute_console_command Rate-limited

execute_console_command stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "execute_console_command": {
      "limits": [
        {
          "counter": "execute_console_command_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Unreal, so you can run agents against it safely.

FAQ

Questions about execute_console_command

What does the execute_console_command tool do? +

Run a console command in the Unreal Editor (e.g.,. It is categorised as a Execute tool in the Unreal MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on execute_console_command? +

Register the Unreal MCP server in PolicyLayer and add a rule for execute_console_command: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Unreal. Nothing to install.

What risk level is execute_console_command? +

execute_console_command is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit execute_console_command? +

Yes. Add a rate_limit block to the execute_console_command rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block execute_console_command completely? +

Set action: deny in the PolicyLayer policy for execute_console_command. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides execute_console_command? +

execute_console_command is provided by the Unreal MCP server (sam-david/unreal-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.