wait_for_page_load · Selenium MCP Server MCP: Risk & Policy

WHAT IT DOES

What wait_for_page_load does on Selenium MCP Server

AI agents invoke wait_for_page_load to trigger actions in Selenium 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.

WHY IT NEEDS A POLICY

Why wait_for_page_load needs a policy

This tool executes a browser automation operation that monitors and waits for external state changes (page loading). While it does not modify data or delete resources, it triggers browser-level operations whose timing and effects depend on external factors.

From the tool's definition Tool performs 'wait_for_page_load' which is a browser automation action that triggers external operations (page load monitoring/synchronization) whose effects depend on network conditions and page structure.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

wait_for_page_load Rate-limited

wait_for_page_load 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_page_load": {
      "limits": [
        {
          "counter": "wait_for_page_load_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 Selenium MCP Server, so you can run agents against it safely.

FAQ

Questions about wait_for_page_load

What does the wait_for_page_load tool do? +

waits for page to fully load. It is categorised as a Execute tool in the Selenium 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_page_load? +

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

What risk level is wait_for_page_load? +

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

Can I rate-limit wait_for_page_load? +

Yes. Add a rate_limit block to the wait_for_page_load 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_page_load completely? +

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

wait_for_page_load is provided by the Selenium MCP Server MCP server (jyothishkumarav/selenium-mcp-server-python). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.