set_main_scene · Godot Mcp Pilot MCP: Risk & Policy

WHAT IT DOES

What set_main_scene does on Godot Mcp Pilot

AI agents use set_main_scene to create or update resources in Godot Mcp Pilot — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Godot Mcp Pilot environment.

WHY IT NEEDS A POLICY

Why set_main_scene needs a policy

This tool modifies project state by setting the main scene, which is a reversible Write operation. While significant (changing the entry point of a game project affects execution), it is not Destructive (the previous main scene is not deleted) and does not Execute external code directly.

From the tool's definition Tool name 'set_main_scene' combined with server description stating it 'gives AI assistants direct control over Godot 4 game development projects' and enables core development operations.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

set_main_scene Rate-limited

set_main_scene stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

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

LIMIT THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about set_main_scene

What does the set_main_scene tool do? +

Set the project. It is categorised as a Write tool in the Godot Mcp Pilot MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on set_main_scene? +

Register the Godot Mcp Pilot MCP server in PolicyLayer and add a rule for set_main_scene: 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 Godot Mcp Pilot. Nothing to install.

What risk level is set_main_scene? +

set_main_scene is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit set_main_scene? +

Yes. Add a rate_limit block to the set_main_scene 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 set_main_scene completely? +

Set action: deny in the PolicyLayer policy for set_main_scene. 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 set_main_scene? +

set_main_scene is provided by the Godot Mcp Pilot MCP server (pushks18/godot-mcp-pilot). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.