desktop_performance

Get memory and CPU metrics (Desktop only)

SERVERClaude Mobile SOURCEalexgladkov/claude-in-mobile

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/alexgladkov-claude-in-mobile/desktop-performance.md

WHAT IT DOES

What desktop_performance does on Claude Mobile

AI agents call desktop_performance to retrieve information from Claude Mobile without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why desktop_performance is rated Low

This tool only retrieves performance metrics (memory and CPU usage) from a desktop system. It has no side effects, does not modify any state, and cannot be misused to cause damage beyond information disclosure of system resource usage.

From the tool's definition Get memory and CPU metrics

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs desktop_performance safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Claude Mobile, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For desktop_performance, this is the rule to start with:

desktop_performance Allowed

desktop_performance is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "desktop_performance": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Claude Mobile, apply this rule, and every desktop_performance call is checked against it from then on.

FAQ

Questions about desktop_performance

What does the desktop_performance tool do? +

Get memory and CPU metrics (Desktop only). It is categorised as a Read tool in the Claude Mobile MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on desktop_performance? +

Register the Claude Mobile MCP server in PolicyLayer and add a rule for desktop_performance: 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 Claude Mobile. Nothing to install.

What risk level is desktop_performance? +

desktop_performance is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit desktop_performance? +

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

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

desktop_performance is provided by the Claude Mobile MCP server (alexgladkov/claude-in-mobile). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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