add_screen_panel

Create a new GameObject with a ScreenPanel component for full-screen UI overlay (HUD, menus, etc.)

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/add-screen-panel.md

WHAT IT DOES

What add_screen_panel does on Sbox

AI agents use add_screen_panel 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 add_screen_panel is rated Medium

This tool creates (writes) a new GameObject with a ScreenPanel component, which modifies the game scene. It is reversible (the object can be deleted or the change undone), so it falls under Write rather than Destructive or Execute. The blast radius is medium because creating unwanted UI overlays could degrade the game experience or confuse players, but the effect is containable and non-permanent.

From the tool's definition Tool name 'add_screen_panel' and description 'Create a new GameObject with a ScreenPanel component' indicates creation of a new in-game UI object.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs add_screen_panel 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 add_screen_panel, this is the rule to start with:

add_screen_panel Rate-limited

add_screen_panel 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": {
    "add_screen_panel": {
      "limits": [
        {
          "counter": "add_screen_panel_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 add_screen_panel call is checked against it from then on.

FAQ

Questions about add_screen_panel

What does the add_screen_panel tool do? +

Create a new GameObject with a ScreenPanel component for full-screen UI overlay (HUD, menus, etc.). 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 add_screen_panel? +

Register the Sbox MCP server in PolicyLayer and add a rule for add_screen_panel: 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 add_screen_panel? +

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

Can I rate-limit add_screen_panel? +

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

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

add_screen_panel 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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