unity_texture_set_normalmap

THE RISK

Medium Risk

Why unity_texture_set_normalmap needs a policy

This tool modifies texture properties by assigning a normal map to a texture, which is a reversible write operation. It changes asset metadata/configuration but does not execute arbitrary code, delete data, or perform financial operations. The blast radius is medium because incorrect normal map assignments could corrupt visual rendering or require manual correction, but changes are easily undoable in Unity's editor.

From the tool's definition Tool name 'unity_texture_set_normalmap' and description 'Quick-set a texture as a Normal Map' indicate modification of texture properties/settings in Unity. The verb 'set' combined with 'normalmap' confirms this alters material or texture configuration.

Documented attack patterns abuse exactly the kind of access unity_texture_set_normalmap gives an agent:

POLICY

How to control unity_texture_set_normalmap

PolicyLayer is an MCP gateway — it sits between your AI agents and Unity MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for unity_texture_set_normalmap:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "unity_texture_set_normalmap": {
      "limits": [
        {
          "counter": "unity_texture_set_normalmap_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

unity_texture_set_normalmap 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.

Create a free account and register Unity MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

LIMIT THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Argument validation → Checking tool call arguments against schema and policy before they run.
Scoped token → Per-person credentials that grant a defined subset of servers and tools.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about unity_texture_set_normalmap

What does the unity_texture_set_normalmap tool do? +

Quick-set a texture as a Normal Map. 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_texture_set_normalmap? +

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

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

Can I rate-limit unity_texture_set_normalmap? +

Yes. Add a rate_limit block to the unity_texture_set_normalmap 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_texture_set_normalmap completely? +

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

unity_texture_set_normalmap 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.

Enforce policy on every Unity MCP Server tool call.

Start from Unity MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →