Take a snapshot of the browser to read what is on the page.
AI agents call browser_snapshot 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 captures the current state of a webpage for inspection purposes only. It retrieves visual/DOM information without modifying, executing code, deleting data, or triggering financial transactions. The verb 'read' in the description confirms it is a read-only operation.
From the tool's definition Tool name 'browser_snapshot' and description 'Take a snapshot of the browser to read what is on the page' explicitly indicate data retrieval with no side effects.
Attacks that exploit this kind of access
Take a snapshot of the browser to read what is on the page. 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_snapshot: 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_snapshot 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_snapshot 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_snapshot. 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_snapshot 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.
Teams ship this data inside their own products. See what a licence covers →