autogui_start_task · MCPHub MCP: Risk & Policy

WHAT IT DOES

What autogui_start_task does on MCPHub

AI agents invoke autogui_start_task to trigger actions in MCPHub. 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 autogui_start_task needs a policy

This tool executes arbitrary GUI automation tasks without permanent data destruction, making it Execute rather than Destructive. However, the blast radius is high because GUI automation tasks can interact with any application on the system, modify files, send data, click buttons, enter text, and trigger unpredictable side effects depending on what task is specified.

From the tool's definition Tool description states it 'starts a GUI automation task (runs asynchronously in background)' — autogui_start_task explicitly triggers external operations (GUI automation) whose effects depend on the task arguments provided.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

autogui_start_task Rate-limited

autogui_start_task 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": {
    "autogui_start_task": {
      "limits": [
        {
          "counter": "autogui_start_task_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 MCPHub, so you can run agents against it safely.

FAQ

Questions about autogui_start_task

What does the autogui_start_task tool do? +

启动一个GUI自动化任务（后台异步运行）。. It is categorised as a Execute tool in the MCPHub MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on autogui_start_task? +

Register the MCPHub MCP server in PolicyLayer and add a rule for autogui_start_task: 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 MCPHub. Nothing to install.

What risk level is autogui_start_task? +

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

Can I rate-limit autogui_start_task? +

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

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

autogui_start_task is provided by the MCPHub MCP server (jayden-dong/mcphub). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.