get_element_bounding_box

A read tool on the Playwright MCP server.

SERVERPlaywright MCP Server SOURCEalexrwilliam/playwright-mcp-server

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/alexrwilliam-playwright-mcp-server/get-element-bounding-box.md

WHAT IT DOES

What get_element_bounding_box does on Playwright MCP Server

AI agents call get_element_bounding_box to retrieve information from Playwright MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why get_element_bounding_box is rated Low

This tool retrieves element bounding box coordinates—a read-only query with no side effects on the page or data. It extracts information rather than modifying, executing, or deleting anything. Severity is low because the blast radius of misuse is minimal; returning element positions poses no security or operational risk.

From the tool's definition Tool name 'get_element_bounding_box' combined with server context of browser automation and DOM manipulation indicates retrieval of element positioning data.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_element_bounding_box 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 get_element_bounding_box, this is the rule to start with:

get_element_bounding_box Allowed

get_element_bounding_box is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_element_bounding_box": {}
  }
}

ALLOW ONLY 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 get_element_bounding_box call is checked against it from then on.

FAQ

Questions about get_element_bounding_box

What does the get_element_bounding_box tool do? +

get_element_bounding_box is a read tool on the Playwright MCP Server MCP server. It is categorised as a Read tool in the Playwright MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_element_bounding_box? +

Register the Playwright MCP Server MCP server in PolicyLayer and add a rule for get_element_bounding_box: 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 get_element_bounding_box? +

get_element_bounding_box is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_element_bounding_box? +

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

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

get_element_bounding_box 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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