browser_wait_for_selector

Wait for element to appear on page

SERVERClaude Mobile SOURCEalexgladkov/claude-in-mobile

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/alexgladkov-claude-in-mobile/browser-wait-for-selector.md

WHAT IT DOES

What browser_wait_for_selector does on Claude Mobile

AI agents invoke browser_wait_for_selector to trigger actions in Claude Mobile. 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_selector is rated High

This tool executes a conditional wait operation on a mobile device's browser, which qualifies as Execute rather than Read because it actively manipulates timing and control flow of device interactions rather than passively retrieving data.

From the tool's definition Tool performs a browser action ('wait for element to appear on page') that triggers external operations on a mobile device. The server description explicitly states it enables 'browser actions' and 'UI interactions' through device control.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs browser_wait_for_selector safely

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

browser_wait_for_selector Rate-limited

browser_wait_for_selector 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_selector": {
      "limits": [
        {
          "counter": "browser_wait_for_selector_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 Claude Mobile, apply this rule, and every browser_wait_for_selector call is checked against it from then on.

FAQ

Questions about browser_wait_for_selector

What does the browser_wait_for_selector tool do? +

Wait for element to appear on page. It is categorised as a Execute tool in the Claude Mobile 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_selector? +

Register the Claude Mobile MCP server in PolicyLayer and add a rule for browser_wait_for_selector: 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 Claude Mobile. Nothing to install.

What risk level is browser_wait_for_selector? +

browser_wait_for_selector 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_selector? +

Yes. Add a rate_limit block to the browser_wait_for_selector 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_selector completely? +

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

browser_wait_for_selector is provided by the Claude Mobile MCP server (alexgladkov/claude-in-mobile). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on Claude Mobile, and thousands of servers like it.

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Guides

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