create_npc_controller

Generate an NPC controller script with NavMeshAgent pathfinding. Supports patrol, chase, and patrol-chase behaviors

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-npc-controller.md

WHAT IT DOES

What create_npc_controller does on Sbox

AI agents use create_npc_controller 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_npc_controller is rated Medium

This tool creates/generates a new script file (NPC controller) in the game project. It is a Write operation as it creates new content reversibly — the script can be deleted or modified afterward. It does not execute code, delete data, or involve financial transactions.

From the tool's definition Generate an NPC controller script with NavMeshAgent pathfinding. Supports patrol, chase, and patrol-chase behaviors

Attacks that exploit this kind of access

RECOMMENDED RULE

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

create_npc_controller Rate-limited

create_npc_controller 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_npc_controller": {
      "limits": [
        {
          "counter": "create_npc_controller_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_npc_controller call is checked against it from then on.

FAQ

Questions about create_npc_controller

What does the create_npc_controller tool do? +

Generate an NPC controller script with NavMeshAgent pathfinding. Supports patrol, chase, and patrol-chase behaviors. 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_npc_controller? +

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

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

Can I rate-limit create_npc_controller? +

Yes. Add a rate_limit block to the create_npc_controller 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_npc_controller completely? +

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

create_npc_controller 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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