unity_uma_list_uma_materials

List all UMAMaterial assets in the project with their channel counts. Useful for choosing the right material when creating slots and overlays.

SERVERUnity MCP Server SOURCEanklebreaker-studio/unity-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/anklebreaker-studio-unity-mcp-server/unity-uma-list-uma-materials.md

WHAT IT DOES

What unity_uma_list_uma_materials does on Unity MCP Server

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

RISK

Why unity_uma_list_uma_materials is rated Low

This tool performs asset enumeration within a Unity project. It retrieves metadata about UMAMaterial assets (a type used in character customization systems) and returns informational data about them. There are no side effects, no code execution, no data modification, and no irreversible actions.

From the tool's definition Tool name contains 'list' and description states 'List all UMAMaterial assets in the project with their channel counts.' This is a pure query operation that retrieves and enumerates existing assets without modifying or executing anything.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

unity_uma_list_uma_materials Allowed

unity_uma_list_uma_materials 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": {
    "unity_uma_list_uma_materials": {}
  }
}

ALLOW ONLY 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_uma_list_uma_materials call is checked against it from then on.

FAQ

Questions about unity_uma_list_uma_materials

What does the unity_uma_list_uma_materials tool do? +

List all UMAMaterial assets in the project with their channel counts. Useful for choosing the right material when creating slots and overlays. It is categorised as a Read tool in the Unity MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on unity_uma_list_uma_materials? +

Register the Unity MCP Server MCP server in PolicyLayer and add a rule for unity_uma_list_uma_materials: 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_uma_list_uma_materials? +

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

Can I rate-limit unity_uma_list_uma_materials? +

Yes. Add a rate_limit block to the unity_uma_list_uma_materials 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_uma_list_uma_materials completely? +

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

unity_uma_list_uma_materials 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.

KEEP EXPLORING

More on Unity MCP Server, and thousands of servers like it.

This server

All 338 Unity MCP Server tools →

Across the catalogue

aiva_list_affiliates on AIVA MCP Server →list_circuits on 0gzk →list_agents on 0rca Dojo MCP Server → The MCP Attack Database →

Guides

Roll out MCP under one policy →Data exfiltration →MCP token cost →