screenshot_region

Take a screenshot of a rectangular region.

SERVERMcp Control Plane SOURCEalbertik322-sudo/mcp-control-plane

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/mcp-control-plane/screenshot-region.md

WHAT IT DOES

What screenshot_region does on Mcp Control Plane

AI agents call screenshot_region to retrieve information from Mcp Control Plane without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why screenshot_region is rated Low

This tool retrieves screen content within a specified region. It is purely observational—no data is modified, deleted, executed, or financially affected. The only potential risk is information disclosure if sensitive data appears on screen, but the tool itself performs a read-only operation.

From the tool's definition Tool name 'screenshot_region' and description 'Take a screenshot of a rectangular region' indicate data retrieval with no side effects. The action captures visual information from the screen without modifying, deleting, or executing operations.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs screenshot_region safely

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

screenshot_region Allowed

screenshot_region is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "screenshot_region": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about screenshot_region

What does the screenshot_region tool do? +

Take a screenshot of a rectangular region. It is categorised as a Read tool in the Mcp Control Plane MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on screenshot_region? +

Register the Mcp Control Plane MCP server in PolicyLayer and add a rule for screenshot_region: 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 Control Plane. Nothing to install.

What risk level is screenshot_region? +

screenshot_region is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit screenshot_region? +

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

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

screenshot_region is provided by the Mcp Control Plane MCP server (albertik322-sudo/mcp-control-plane). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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