desktop_get_target_pid

Get the PID of the native app set by the last desktop_launch (bundle or attach mode). Returns null if no target PID is set.

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-get-target-pid.md

WHAT IT DOES

What desktop_get_target_pid does on Claude Mobile

AI agents call desktop_get_target_pid 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_get_target_pid is rated Low

This tool only queries and retrieves the PID (process identifier) of a native app that was previously launched. It performs no modification, execution, or deletion of data or processes. The operation is a simple read/query with no side effects, making it a Read category tool with low severity.

From the tool's definition Tool name includes 'get' and description states it 'Returns' a PID value with no modification of state. It retrieves information about a previously-set target process ID.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs desktop_get_target_pid 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_get_target_pid, this is the rule to start with:

desktop_get_target_pid Allowed

desktop_get_target_pid 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_get_target_pid": {}
  }
}

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_get_target_pid call is checked against it from then on.

FAQ

Questions about desktop_get_target_pid

What does the desktop_get_target_pid tool do? +

Get the PID of the native app set by the last desktop_launch (bundle or attach mode). Returns null if no target PID is set. 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_get_target_pid? +

Register the Claude Mobile MCP server in PolicyLayer and add a rule for desktop_get_target_pid: 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_get_target_pid? +

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

Can I rate-limit desktop_get_target_pid? +

Yes. Add a rate_limit block to the desktop_get_target_pid 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_get_target_pid completely? +

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

desktop_get_target_pid 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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