unity_component_set_property

SERVERUnity MCP Server SOURCEanklebreaker-studio/unity-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/anklebreaker-studio-unity-mcp-server/unity-component-set-property.md

WHAT IT DOES

What unity_component_set_property does on Unity MCP Server

AI agents use unity_component_set_property to create or update resources in Unity MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Unity MCP Server environment.

RISK

Why unity_component_set_property is rated Medium

This tool modifies component properties in the Unity Editor, which creates or changes data reversibly. It does not execute arbitrary code or delete data, placing it in the Write category. Severity is high because modifying component properties could break game functionality, affect multiple scene objects, or corrupt project state if misused by an AI agent without proper understanding of the game architecture.

From the tool's definition Tool description states it 'Set[s] a property value on a component' supporting modification of floats, ints, strings, bools, vectors, colors, and object references. This is reversible modification of component properties in Unity projects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs unity_component_set_property safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Unity MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For unity_component_set_property, this is the rule to start with:

unity_component_set_property Rate-limited

unity_component_set_property 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": {
    "unity_component_set_property": {
      "limits": [
        {
          "counter": "unity_component_set_property_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 Unity MCP Server, apply this rule, and every unity_component_set_property call is checked against it from then on.

FAQ

Questions about unity_component_set_property

What does the unity_component_set_property tool do? +

Set a property value on a component. Supports floats, ints, strings, bools, vectors, colors, and object references. For ObjectReference properties, pass value as: an asset path string, a scene object name string, null to clear, or an object with {assetPath}, {instanceId}, or {gameObject, componentType}. It is categorised as a Write tool in the Unity MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on unity_component_set_property? +

Register the Unity MCP Server MCP server in PolicyLayer and add a rule for unity_component_set_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 Unity MCP Server. Nothing to install.

What risk level is unity_component_set_property? +

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

Can I rate-limit unity_component_set_property? +

Yes. Add a rate_limit block to the unity_component_set_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 unity_component_set_property completely? +

Set action: deny in the PolicyLayer policy for unity_component_set_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 unity_component_set_property? +

unity_component_set_property is provided by the Unity MCP Server MCP server (anklebreaker-studio/unity-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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