create_inventory

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-inventory.md

WHAT IT DOES

What create_inventory does on Sbox

AI agents use create_inventory 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_inventory is rated Medium

This tool creates and modifies game inventory data structures (adding items, removing items, moving items between slots, clearing inventory). These are Write operations as they create or modify data reversibly. While the tool enables game functionality, misuse by an AI agent could create unwanted inventory states, duplicate items, or break game balance, warranting medium severity.

From the tool's definition Tool description states it 'Generate[s] a slot-based inventory component' with operations like 'TryAdd', 'TryRemove', 'Move', and 'Clear' that create and modify game state data structures.

Risk signalsBulk/mass operation — affects multiple targets

Attacks that exploit this kind of access

RECOMMENDED RULE

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

create_inventory Rate-limited

create_inventory 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_inventory": {
      "limits": [
        {
          "counter": "create_inventory_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_inventory call is checked against it from then on.

FAQ

Questions about create_inventory

What does the create_inventory tool do? +

Generate a slot-based inventory component using parallel List<string> ItemIds / List<int> Counts (serialization-safe, inspector-editable). Includes TryAdd (stack-first, partial-add rejected), TryRemove, CountOf, Move (swap or merge same-id slots), and Clear. Static OnChanged event fires after every successful mutation. Host-authoritative usage note: mutate on the host in multiplayer, replicate via your own [Sync]/RPC. Pairs with create_pickup. 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_inventory? +

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

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

Can I rate-limit create_inventory? +

Yes. Add a rate_limit block to the create_inventory 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_inventory completely? +

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

create_inventory 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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