browser_wait_for_element

Wait for an element to appear on the page

SERVERPercepta MCP Server SOURCE0x-hewm/percepta-mcp

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/0x-hewm-percepta-mcp/browser-wait-for-element.md

WHAT IT DOES

What browser_wait_for_element does on Percepta MCP Server

AI agents invoke browser_wait_for_element to trigger actions in Percepta 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 browser_wait_for_element is rated High

Browser automation actions that interact with page state and control navigation flow are Execute category tools. While 'wait for element' itself is passive (polling), it is part of an Execute workflow on a browser controlled by an AI agent. The tool allows conditional control flow based on page state, which could be misused to automate unintended interactions.

From the tool's definition Tool performs browser automation action 'wait for an element to appear on the page' which triggers external operations and state changes in a browser context.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs browser_wait_for_element safely

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

browser_wait_for_element Rate-limited

browser_wait_for_element 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_wait_for_element": {
      "limits": [
        {
          "counter": "browser_wait_for_element_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 Percepta MCP Server, apply this rule, and every browser_wait_for_element call is checked against it from then on.

FAQ

Questions about browser_wait_for_element

What does the browser_wait_for_element tool do? +

Wait for an element to appear on the page. It is categorised as a Execute tool in the Percepta 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 browser_wait_for_element? +

Register the Percepta MCP Server MCP server in PolicyLayer and add a rule for browser_wait_for_element: 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.

What risk level is browser_wait_for_element? +

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

Can I rate-limit browser_wait_for_element? +

Yes. Add a rate_limit block to the browser_wait_for_element 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_wait_for_element completely? +

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

browser_wait_for_element 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.

KEEP EXPLORING

More on Percepta MCP Server, and thousands of servers like it.

This server

All 22 Percepta MCP Server tools → High-risk tools on this server →

Across the catalogue

wait_for_renders on Why Did You Render →qt_wait_for on Qt → All high-risk MCP tools → The MCP Attack Database →

Guides

Govern code and CI agents →Agent sandbox →Least privilege for MCP →