tune_vehicle
Apply a handling preset to a vehicle component on a GameObject: arcade (forgiving), drift (low grip, sharp steering), offroad (soft long-travel suspension), or race (fast, planted). Sets EngineForce/MaxSpeed/SteerStrength/GripFactor/SuspensionStrength/SuspensionDamping by name via reflection — ta...
This record as markdown: /tools/sbox/tune-vehicle.md
What tune_vehicle does on Sbox
AI agents call tune_vehicle 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.
Why tune_vehicle is rated Low
Even though tune_vehicle only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.
Attacks that exploit this kind of access
The rule that runs tune_vehicle 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 tune_vehicle, this is the rule to start with:
tune_vehicle is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Sbox, apply this rule, and every tune_vehicle call is checked against it from then on.
Questions about tune_vehicle
Apply a handling preset to a vehicle component on a GameObject: arcade (forgiving), drift (low grip, sharp steering), offroad (soft long-travel suspension), or race (fast, planted). Sets EngineForce/MaxSpeed/SteerStrength/GripFactor/SuspensionStrength/SuspensionDamping by name via reflection — targets create_vehicle_controller scaffolds out of the box, partially tunes anything exposing those property names. Returns { tuned, preset, component, applied, missing } — missing lists properties the component lacks. Auto-finds the first component with. It is categorised as a Read tool in the Sbox MCP Server, which means it retrieves data without modifying state.
Register the Sbox MCP server in PolicyLayer and add a rule for tune_vehicle: 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.
tune_vehicle is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the tune_vehicle 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.
Set action: deny in the PolicyLayer policy for tune_vehicle. 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.
tune_vehicle 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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