monitor_set_brightness

Set monitor brightness (0-100, works on laptops and some external monitors)

SERVERMcp Windows SOURCEmukul975/mcp-windows-automation

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/mukul975-mcp-windows-automation/monitor-set-brightness.md

WHAT IT DOES

What monitor_set_brightness does on Mcp Windows

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

RISK

Why monitor_set_brightness is rated Medium

This tool modifies a display hardware setting (brightness level). It is a reversible write operation with minimal blast radius — it changes a system setting that can easily be changed back. No data is created, deleted, or executed.

From the tool's definition Set monitor brightness (0-100, works on laptops and some external monitors)

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs monitor_set_brightness safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Mcp Windows, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For monitor_set_brightness, this is the rule to start with:

monitor_set_brightness Rate-limited

monitor_set_brightness 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": {
    "monitor_set_brightness": {
      "limits": [
        {
          "counter": "monitor_set_brightness_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about monitor_set_brightness

What does the monitor_set_brightness tool do? +

Set monitor brightness (0-100, works on laptops and some external monitors). It is categorised as a Write tool in the Mcp Windows MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on monitor_set_brightness? +

Register the Mcp Windows MCP server in PolicyLayer and add a rule for monitor_set_brightness: 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 Mcp Windows. Nothing to install.

What risk level is monitor_set_brightness? +

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

Can I rate-limit monitor_set_brightness? +

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

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

monitor_set_brightness is provided by the Mcp Windows MCP server (mukul975/mcp-windows-automation). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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