unity_execute_menu_item

THE RISK

High Risk

This tool executes menu commands in the Unity Editor, which can trigger a wide range of operations including builds, script compilation, asset processing, and plugin initialization. While the description is incomplete, the verb 'Execute' combined with 'menu command' indicates the ability to trigger external operations whose effects depend on which menu items are invoked.

From the tool's definition Tool name 'unity_execute_menu_item' and description 'Execute a Unity Editor menu command by its path' explicitly indicate execution of arbitrary menu commands within the Unity Editor.

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

HOW TO CONTROL UNITY_EXECUTE_MENU_ITEM

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_execute_menu_item:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "unity_execute_menu_item": {
      "limits": [
        {
          "counter": "unity_execute_menu_item_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

unity_execute_menu_item stays usable, but rate-capped — a runaway agent can't fire it dozens of times 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.

RATE-LIMIT THIS TOOL →

Free to start. No card required.

EXPLORE

More Unity MCP Server tools

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All 324 Unity MCP Server tools →

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Go deeper

High-risk tools in Unity MCP Server → Every high-risk tool this server exposes, in one view.
All high-risk MCP tools → Every high-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

What does the unity_execute_menu_item tool do? +

Execute a Unity Editor menu command by its path (e.g. It is categorised as a Execute tool in the Unity MCP Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on unity_execute_menu_item? +

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

unity_execute_menu_item is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit unity_execute_menu_item? +

Yes. Add a rate_limit block to the unity_execute_menu_item 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_execute_menu_item completely? +

Set action: deny in the PolicyLayer policy for unity_execute_menu_item. 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_execute_menu_item? +

unity_execute_menu_item 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.

Deterministic rules across all 324 Unity MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

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324 Unity MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.

// WHAT UNITY_EXECUTE_MENU_ITEM ON UNITY MCP SERVER DOES

// THE RISK

// HOW TO CONTROL UNITY_EXECUTE_MENU_ITEM

// EXPLORE