xcode_set_hardware_keyboard

THE RISK

High Risk

This tool modifies the runtime configuration of an iOS simulator by toggling the hardware keyboard setting. It triggers an external operation (changing simulator input hardware state) that affects the device's behavior. While not purely destructive or financial, it executes a state change on an external system (the simulator), making Execute the most appropriate category.

From the tool's definition Enable/disable hardware keyboard for a simulator

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

HOW TO CONTROL XCODE_SET_HARDWARE_KEYBOARD

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

policy.json

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

xcode_set_hardware_keyboard 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 MCP Appium 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 MCP Appium Server tools

Destructive clear-element Clear text from an input element Destructive uninstall-app Uninstall an Android application Destructive xcode_clear_simulator_location Clear the location of a simulator Destructive xcode_delete_simulator Delete an iOS simulator Destructive xcode_erase_simulator Erase all data from a simulator Destructive xcode_uninstall_app Uninstall an app from a simulator Execute reset-app Reset the app (terminate and relaunch) associated with the current Appium session Execute xcode_reset_privacy_permission Reset privacy permission for an app

All 110 MCP Appium Server tools →

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Go deeper

High-risk tools in MCP Appium 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 xcode_set_hardware_keyboard tool do? +

Enable/disable hardware keyboard for a simulator. It is categorised as a Execute tool in the MCP Appium 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 xcode_set_hardware_keyboard? +

Register the MCP Appium Server MCP server in PolicyLayer and add a rule for xcode_set_hardware_keyboard: 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 MCP Appium Server. Nothing to install.

What risk level is xcode_set_hardware_keyboard? +

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

Can I rate-limit xcode_set_hardware_keyboard? +

Yes. Add a rate_limit block to the xcode_set_hardware_keyboard 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 xcode_set_hardware_keyboard completely? +

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

xcode_set_hardware_keyboard is provided by the MCP Appium Server MCP server (rahulec08/appium-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every MCP Appium Server tool call.

Deterministic rules across all 110 MCP Appium Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

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// WHAT XCODE_SET_HARDWARE_KEYBOARD ON MCP APPIUM SERVER DOES

// THE RISK

// HOW TO CONTROL XCODE_SET_HARDWARE_KEYBOARD

// EXPLORE