Retrieves all console messages (logs, errors, warnings, info, debug) from the browser tab\
AI agents call browser_console_messages 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 diagnostic information from the browser console. It performs no mutations, does not execute code, does not interact with external systems, and does not access sensitive data beyond what is already visible in the browser's own console output. The retrieval of console messages is a passive observation action with no blast radius if misused by an AI agent.
From the tool's definition Tool name 'browser_console_messages' and description 'Retrieves all console messages (logs, errors, warnings, info, debug)' indicate a read-only operation that queries existing browser state without side effects.
Attacks that exploit this kind of access
Retrieves all console messages (logs, errors, warnings, info, debug) from the browser tab\. 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_console_messages: 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_console_messages 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_console_messages 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_console_messages. 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_console_messages 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.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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