playwright_get_visible_html

Get the HTML content of the current page. By default, all <script> tags are removed from the output unless removeScripts is explicitly set to false.

Server Playwright MCP Server for Security o0x1024/mcp-playwright-security
Category Read
Risk class Low
Parameters 00 required

What playwright_get_visible_html does on Playwright MCP Server for Security

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

Why playwright_get_visible_html needs a policy

This tool retrieves and queries visible HTML from a web page without side effects. It is purely informational, returning a snapshot of page structure. While the Playwright server enables browser automation and could be used for reconnaissance in a malicious context, this specific tool performs only read operations.

From the tool's definition Tool description states 'Get the HTML content of the current page' — a retrieval operation with no modification, deletion, or code execution. The removeScripts parameter controls filtering of script tags in the output, but does not alter the page itself.

Questions about playwright_get_visible_html

What does the playwright_get_visible_html tool do? +

Get the HTML content of the current page. By default, all <script> tags are removed from the output unless removeScripts is explicitly set to false. It is categorised as a Read tool in the Playwright MCP Server for Security MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on playwright_get_visible_html? +

Register the Playwright MCP Server for Security MCP server in PolicyLayer and add a rule for playwright_get_visible_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 for Security. Nothing to install.

What risk level is playwright_get_visible_html? +

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

Can I rate-limit playwright_get_visible_html? +

Yes. Add a rate_limit block to the playwright_get_visible_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 playwright_get_visible_html completely? +

Set action: deny in the PolicyLayer policy for playwright_get_visible_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 playwright_get_visible_html? +

playwright_get_visible_html is provided by the Playwright MCP Server for Security MCP server (o0x1024/mcp-playwright-security). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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