browser_take_screenshot

A read tool on the Playwright MCP server.

SERVERPlaywright SOURCEhanato238/playwright-mcp

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/hanato238-playwright-mcp/browser-take-screenshot.md

WHAT IT DOES

What browser_take_screenshot does on Playwright

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

RISK

Why browser_take_screenshot is rated Low

Taking a screenshot is a read/capture operation with no side effects; it retrieves the current visual state of the browser without modifying anything. Confidence is reduced due to empty description, but the name strongly implies a non-destructive read action.

From the tool's definition Tool name 'browser_take_screenshot' — no description provided.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs browser_take_screenshot safely

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

browser_take_screenshot Allowed

browser_take_screenshot 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": {
    "browser_take_screenshot": {}
  }
}

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

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

FAQ

Questions about browser_take_screenshot

What does the browser_take_screenshot tool do? +

browser_take_screenshot is a read tool on the Playwright MCP server. It is categorised as a Read tool in the Playwright MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on browser_take_screenshot? +

Register the Playwright MCP server in PolicyLayer and add a rule for browser_take_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 Playwright. Nothing to install.

What risk level is browser_take_screenshot? +

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

Can I rate-limit browser_take_screenshot? +

Yes. Add a rate_limit block to the browser_take_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.

How do I block browser_take_screenshot completely? +

Set action: deny in the PolicyLayer policy for browser_take_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.

What MCP server provides browser_take_screenshot? +

browser_take_screenshot is provided by the Playwright MCP server (hanato238/playwright-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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