Get text content or attribute from element using CSS selector
AI agents call browser_get_text_by_css to retrieve information from MCP Macaco Playwright without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves data from a webpage using CSS selectors to target elements and extract their text content or attributes. It performs only a read operation with no ability to modify state, execute code, or trigger external actions. The blast radius of misuse is minimal—an AI agent could over-extract data from websites, but cannot damage systems or cause irreversible harm. This is a foundational Read-category tool.
From the tool's definition Tool name 'browser_get_text_by_css' and description 'Get text content or attribute from element using CSS selector' indicate retrieval of text/attribute data from DOM elements with no modification or side effects.
Attacks that exploit this kind of access
Get text content or attribute from element using CSS selector. It is categorised as a Read tool in the MCP Macaco Playwright MCP Server, which means it retrieves data without modifying state.
Register the MCP Macaco Playwright MCP server in PolicyLayer and add a rule for browser_get_text_by_css: 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 MCP Macaco Playwright. Nothing to install.
browser_get_text_by_css is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the browser_get_text_by_css 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.
Set action: deny in the PolicyLayer policy for browser_get_text_by_css. 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.
browser_get_text_by_css is provided by the MCP Macaco Playwright MCP server (macacoai/mcp-playwright). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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