Find element by its text content and get text or attribute
AI agents call browser_get_text_by_text 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 locates and retrieves text or attributes from page elements—a read-only query operation with no ability to modify state, execute code, or trigger external actions. The lack of any mutation capability places it firmly in the Read category. Severity is low because extracting publicly visible page content poses minimal risk even if misused by an AI agent.
From the tool's definition Tool name 'browser_get_text_by_text' and description 'Find element by its text content and get text or attribute' indicate retrieval of existing data from the DOM with no side effects.
Attacks that exploit this kind of access
Find element by its text content and get text or attribute. 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_text: 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_text 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_text 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_text. 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_text 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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