wait_for_popup

A execute tool on the Playwright MCP server.

SERVERPlaywright MCP Server SOURCEalexrwilliam/playwright-mcp-server

High RISK CLASS

Category Execute

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/alexrwilliam-playwright-mcp-server/wait-for-popup.md

WHAT IT DOES

What wait_for_popup does on Playwright MCP Server

AI agents invoke wait_for_popup to trigger actions in Playwright MCP Server. 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.

RISK

Why wait_for_popup is rated High

Although the description is empty, the tool belongs to a server explicitly designed for 'webpage interaction' and 'browser automation' triggering 'external operations'. Waiting for popups is typically an intermediate step in browser automation workflows that may include subsequent actions with side effects.

From the tool's definition Tool 'wait_for_popup' is part of Playwright browser automation, which enables webpage interaction and 'triggers external operations'.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs wait_for_popup safely

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

wait_for_popup Rate-limited

wait_for_popup 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": {
    "wait_for_popup": {
      "limits": [
        {
          "counter": "wait_for_popup_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about wait_for_popup

What does the wait_for_popup tool do? +

wait_for_popup is a execute tool on the Playwright MCP Server MCP server. It is categorised as a Execute tool in the Playwright MCP Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on wait_for_popup? +

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

What risk level is wait_for_popup? +

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

Can I rate-limit wait_for_popup? +

Yes. Add a rate_limit block to the wait_for_popup 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 wait_for_popup completely? +

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

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

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