click_menu_item · Mac MCP: Risk & Policy

WHAT IT DOES

What click_menu_item does on Mac

AI agents invoke click_menu_item to trigger actions in Mac. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why click_menu_item needs a policy

Clicking a menu item triggers application actions that can have wide-ranging effects depending on which menu item is selected — from opening files to deleting data, quitting apps, or executing arbitrary application commands. The effect depends entirely on arguments (the menu path), making this an Execute-category tool. Severity is high because an AI agent could trigger destructive or sensitive application actions (e.

From the tool's definition Clicks a menu item by path

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

click_menu_item Rate-limited

click_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.

View as policy code

policy.json

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

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Mac, so you can run agents against it safely.

FAQ

Questions about click_menu_item

What does the click_menu_item tool do? +

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

How do I enforce a policy on click_menu_item? +

Register the Mac MCP server in PolicyLayer and add a rule for click_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 Mac. Nothing to install.

What risk level is click_menu_item? +

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

Can I rate-limit click_menu_item? +

Yes. Add a rate_limit block to the click_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 click_menu_item completely? +

Set action: deny in the PolicyLayer policy for click_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 click_menu_item? +

click_menu_item is provided by the Mac MCP server (laststance/mac-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.