Take a screenshot of the current page
AI agents call browser_screenshot to retrieve information from Percepta MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves visual information from a webpage without side effects. It does not create, modify, delete data, execute code, or commit financial transactions. The operation is passive and reversible, making it a Read category tool with low severity risk.
From the tool's definition Tool name 'browser_screenshot' and description 'Take a screenshot of the current page' indicate a read-only operation that captures visual state without modifying or executing code.
Attacks that exploit this kind of access
Take a screenshot of the current page. It is categorised as a Read tool in the Percepta MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Percepta MCP Server MCP server in PolicyLayer and add a rule for browser_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 Percepta MCP Server. Nothing to install.
browser_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 browser_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 browser_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.
browser_screenshot is provided by the Percepta MCP Server MCP server (0x-hewm/percepta-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
browser_screenshot is one line of Percepta MCP Server's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
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