create_scene

Create a new empty scene file. Optionally include basic objects like a camera, directional light, and ground plane

SERVERSbox SOURCEsbox-mcp-server

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/sbox/create-scene.md

WHAT IT DOES

What create_scene does on Sbox

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

RISK

Why create_scene is rated Medium

This tool creates new scene files and objects, which are reversible modifications to the game project. While it adds content to the game world, these changes can be undone (deleted or overwritten), making it a Write operation rather than Destructive. The severity is medium because misuse could clutter the project or create unwanted scenes, but the impact is limited to the local game project and reversible.

From the tool's definition Tool description states 'Create a new empty scene file' and 'Optionally include basic objects', indicating it creates new game assets within the s&box engine.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_scene safely

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

create_scene Rate-limited

create_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": {
    "create_scene": {
      "limits": [
        {
          "counter": "create_scene_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Sbox, apply this rule, and every create_scene call is checked against it from then on.

FAQ

Questions about create_scene

What does the create_scene tool do? +

Create a new empty scene file. Optionally include basic objects like a camera, directional light, and ground plane. It is categorised as a Write tool in the Sbox MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create_scene? +

Register the Sbox MCP server in PolicyLayer and add a rule for create_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 Sbox. Nothing to install.

What risk level is create_scene? +

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

Can I rate-limit create_scene? +

Yes. Add a rate_limit block to the create_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 create_scene completely? +

Set action: deny in the PolicyLayer policy for create_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 create_scene? +

create_scene is provided by the Sbox MCP server (sbox-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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