debug_attach

SERVERClaude Mobile SOURCEalexgladkov/claude-in-mobile

High RISK CLASS

Category Execute

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/alexgladkov-claude-in-mobile/debug-attach.md

WHAT IT DOES

What debug_attach does on Claude Mobile

AI agents invoke debug_attach to trigger actions in Claude Mobile. 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.

RISK

Why debug_attach is rated High

Attaching a debugger enables full runtime inspection and code execution within the target app.

From the tool's definition Attach the runtime debugger to a running app

Attacks that exploit this kind of access

RECOMMENDED RULE

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

debug_attach Rate-limited

debug_attach 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": {
    "debug_attach": {
      "limits": [
        {
          "counter": "debug_attach_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about debug_attach

What does the debug_attach tool do? +

Attach the runtime debugger to a DEBUGGABLE running app. Android (JDWP): the package must have android:debuggable=true. iOS (LLDB Simulator): requires macOS + Xcode. Returns a sessionId for all subsequent debug calls. It is categorised as a Execute tool in the Claude Mobile MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on debug_attach? +

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

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

Can I rate-limit debug_attach? +

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

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

debug_attach 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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