get_runtime_property

Read a component property value during play mode. Must call start_play first

SERVERSbox SOURCEsbox-mcp-server

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/sbox/get-runtime-property.md

WHAT IT DOES

What get_runtime_property does on Sbox

AI agents call get_runtime_property to retrieve information from Sbox without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why get_runtime_property is rated Low

This tool queries and retrieves data (a component property value) without modifying, deleting, or executing arbitrary operations. It is a safe read operation. The low severity reflects that misuse would only expose information about the game state during play, not cause damage or unintended actions.

From the tool's definition Tool name is 'get_runtime_property' and description states 'Read a component property value during play mode.' The verb 'Read' and the clear statement that it retrieves a property value indicate this is a read-only operation with no side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

get_runtime_property Allowed

get_runtime_property is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_runtime_property": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about get_runtime_property

What does the get_runtime_property tool do? +

Read a component property value during play mode. Must call start_play first. It is categorised as a Read tool in the Sbox MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_runtime_property? +

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

get_runtime_property is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_runtime_property? +

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

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

get_runtime_property 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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