Capture a screenshot of the entire desktop
AI agents call screenshot to retrieve information from Screenshot MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool reads/captures visual data from the screen without modifying any data or system state. However, it carries medium severity because a full desktop screenshot can capture sensitive information (passwords, private documents, personal data) visible on screen at the time of capture.
From the tool's definition Capture a screenshot of the entire desktop
Risk signalsBulk/mass operation — affects multiple targets
Attacks that exploit this kind of access
Capture a screenshot of the entire desktop. It is categorised as a Read tool in the Screenshot MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Screenshot MCP Server MCP server in PolicyLayer and add a rule for screenshot: 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 Screenshot MCP Server. Nothing to install.
screenshot 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 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. 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 is provided by the Screenshot MCP Server MCP server (yushinna/screenshot-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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