Trigger memory warning on a simulator
AI agents invoke xcode_trigger_memory_warning to trigger actions in MCP Appium Server. 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.
The tool executes a command that triggers a simulator event/state change. While the action itself is not irreversible, it is an Execute category action because it runs code/commands to trigger external system behavior on a device simulator. An AI agent misusing this could flood simulators with memory warnings, interfering with testing, stability, and application behavior.
From the tool's definition Tool name 'xcode_trigger_memory_warning' and description 'Trigger memory warning on a simulator' indicate execution of a system-level action that forces a memory warning state on a mobile simulator.
Documented attack patterns abuse exactly the kind of access xcode_trigger_memory_warning gives an agent:
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_trigger_memory_warning:
{
"version": "1",
"default": "deny",
"tools": {
"xcode_trigger_memory_warning": {
"limits": [
{
"counter": "xcode_trigger_memory_warning_rate",
"window": "minute",
"max": 10,
"scope": "grant"
}
]
}
}
}xcode_trigger_memory_warning 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.
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Trigger memory warning on 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.
Register the MCP Appium Server MCP server in PolicyLayer and add a rule for xcode_trigger_memory_warning: 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.
xcode_trigger_memory_warning is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.
Yes. Add a rate_limit block to the xcode_trigger_memory_warning 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.
Set action: deny in the PolicyLayer policy for xcode_trigger_memory_warning. 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.
xcode_trigger_memory_warning 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.
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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110 MCP Appium Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.