browser_scroll_page · MCP Macaco Playwright MCP

WHAT IT DOES

What browser_scroll_page does on MCP Macaco Playwright

AI agents invoke browser_scroll_page to trigger actions in MCP Macaco Playwright. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why browser_scroll_page needs a policy

This tool performs a browser action (scrolling) within a Playwright-controlled browser session. It executes an external operation in the browser context. While the direct effect is low-risk (just scrolling a page), it is an Execute-category action as it triggers browser automation.

From the tool's definition 'Scroll the page to the very top or bottom' - triggers a browser action/interaction

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

browser_scroll_page Rate-limited

browser_scroll_page stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "browser_scroll_page": {
      "limits": [
        {
          "counter": "browser_scroll_page_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches MCP Macaco Playwright, so you can run agents against it safely.

FAQ

Questions about browser_scroll_page

What does the browser_scroll_page tool do? +

Scroll the page to the very top or bottom. This is useful for quickly navigating to the beginning or end of long pages without needing to specify a particular element. It is categorised as a Execute tool in the MCP Macaco Playwright MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on browser_scroll_page? +

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

What risk level is browser_scroll_page? +

browser_scroll_page is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit browser_scroll_page? +

Yes. Add a rate_limit block to the browser_scroll_page 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_scroll_page completely? +

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

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