app_force_stop · AVD MCP Server MCP: Risk & Policy

WHAT IT DOES

What app_force_stop does on AVD MCP Server

AI agents invoke app_force_stop to trigger actions in AVD MCP 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.

WHY IT NEEDS A POLICY

Why app_force_stop needs a policy

This tool forcefully stops a running Android application using 'am force-stop', which is an execution of a system command that terminates a process. While it doesn't delete data, it triggers an external operation (killing a process) whose effect depends on the target app argument.

From the tool's definition Força parada do app via am force-stop

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

app_force_stop Rate-limited

app_force_stop 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": {
    "app_force_stop": {
      "limits": [
        {
          "counter": "app_force_stop_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches AVD MCP Server, so you can run agents against it safely.

FAQ

Questions about app_force_stop

What does the app_force_stop tool do? +

Força parada do app via am force-stop. It is categorised as a Execute tool in the AVD MCP 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 app_force_stop? +

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

What risk level is app_force_stop? +

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

Can I rate-limit app_force_stop? +

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

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

app_force_stop is provided by the AVD MCP Server MCP server (jramalho/avd-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.