unity_amplify_set_node_property

Set a property or field value on a node in the Amplify Shader Editor graph via reflection. If the property name is wrong, returns a list of available properties.

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-amplify-set-node-property.md

WHAT IT DOES

What unity_amplify_set_node_property does on Unity MCP Server

AI agents use unity_amplify_set_node_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_amplify_set_node_property is rated Medium

This tool creates or modifies data (shader node properties) reversibly. While it could potentially introduce rendering issues or shader compilation failures if incorrect values are set, these effects are reversible through undo/correction.

From the tool's definition Tool description explicitly states it "Set[s] a property or field value on a node" which modifies state. The mechanism is reflection-based property modification in Amplify Shader Editor, a visual shader development environment within Unity.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

unity_amplify_set_node_property Rate-limited

unity_amplify_set_node_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_amplify_set_node_property": {
      "limits": [
        {
          "counter": "unity_amplify_set_node_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_amplify_set_node_property call is checked against it from then on.

FAQ

Questions about unity_amplify_set_node_property

What does the unity_amplify_set_node_property tool do? +

Set a property or field value on a node in the Amplify Shader Editor graph via reflection. If the property name is wrong, returns a list of available properties. 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_amplify_set_node_property? +

Register the Unity MCP Server MCP server in PolicyLayer and add a rule for unity_amplify_set_node_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_amplify_set_node_property? +

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

Can I rate-limit unity_amplify_set_node_property? +

Yes. Add a rate_limit block to the unity_amplify_set_node_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_amplify_set_node_property completely? +

Set action: deny in the PolicyLayer policy for unity_amplify_set_node_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_amplify_set_node_property? +

unity_amplify_set_node_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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