set_screen_timeout · AutoBot MCP: Risk & Policy

WHAT IT DOES

What set_screen_timeout does on AutoBot MCP

AI agents use set_screen_timeout to create or update resources in AutoBot MCP — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your AutoBot MCP environment.

WHY IT NEEDS A POLICY

Why set_screen_timeout needs a policy

This tool modifies device configuration (screen timeout setting) which is a reversible change to system state. It does not retrieve data (Read), execute arbitrary code (Execute), permanently delete data (Destructive), or involve financial transactions (Financial). The modification is non-destructive and can be undone by changing the setting again, placing it in the Write category.

From the tool's definition Tool name 'set_screen_timeout' and description '设置屏幕超时时间' (Chinese: 'set screen timeout duration') indicates modification of device settings.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

set_screen_timeout Rate-limited

set_screen_timeout stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "set_screen_timeout": {
      "limits": [
        {
          "counter": "set_screen_timeout_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about set_screen_timeout

What does the set_screen_timeout tool do? +

设置屏幕超时时间. It is categorised as a Write tool in the AutoBot MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on set_screen_timeout? +

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

What risk level is set_screen_timeout? +

set_screen_timeout is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit set_screen_timeout? +

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

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

set_screen_timeout is provided by the AutoBot MCP server (yz0903/autobot-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.