screenshot_optimized
Take an AI-readable screenshot, optionally grayscale JPEG resized to a target width.
This record as markdown: /tools/mcp-control-plane/screenshot-optimized.md
What screenshot_optimized does on Mcp Control Plane
AI agents call screenshot_optimized 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.
Why screenshot_optimized is rated Low
This tool captures visual state information from the screen without creating, modifying, deleting, or executing any operations. Screenshot capture is inherently non-destructive and read-only. While screenshots could theoretically reveal sensitive information if misused, the tool itself performs only data retrieval with configurable output formatting (grayscale, JPEG, width resizing).
From the tool's definition Tool description states 'Take an AI-readable screenshot' which is a retrieval operation with no data modification or side effects. The options are purely presentational (grayscale conversion, JPEG format, resizing).
Attacks that exploit this kind of access
The rule that runs screenshot_optimized 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_optimized, this is the rule to start with:
screenshot_optimized is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Mcp Control Plane, apply this rule, and every screenshot_optimized call is checked against it from then on.
Questions about screenshot_optimized
Take an AI-readable screenshot, optionally grayscale JPEG resized to a target width. It is categorised as a Read tool in the Mcp Control Plane MCP Server, which means it retrieves data without modifying state.
Register the Mcp Control Plane MCP server in PolicyLayer and add a rule for screenshot_optimized: 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.
screenshot_optimized is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the screenshot_optimized 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.
Set action: deny in the PolicyLayer policy for screenshot_optimized. 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.
screenshot_optimized 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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