get_html

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-html.md

WHAT IT DOES

What get_html does on Playwright MCP Server

AI agents call get_html 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_html is rated Low

This tool retrieves or queries HTML content from a webpage—a read operation with no destructive, modifying, or code-execution capability. While the description is empty, the name and server context make the classification clear. Severity is low because HTML retrieval alone poses minimal risk even if misused by an AI agent.

From the tool's definition Tool name 'get_html' on a Playwright browser automation server indicates retrieval of page HTML content with no side effects. The parent server description emphasizes 'content extraction' as a core capability.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

get_html Allowed

get_html 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_html": {}
  }
}

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_html call is checked against it from then on.

FAQ

Questions about get_html

What does the get_html tool do? +

get_html 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_html? +

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

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

Can I rate-limit get_html? +

Yes. Add a rate_limit block to the get_html 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_html completely? +

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

get_html 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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