playwright_set_auto_annotation

WHAT IT DOES

What playwright_set_auto_annotation does on Playwright MCP Server for Security

AI agents invoke playwright_set_auto_annotation to trigger actions in Playwright MCP Server for Security. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why playwright_set_auto_annotation needs a policy

This tool modifies the runtime behavior of a browser automation session, specifically controlling how interactive elements are detected and annotated. While it doesn't directly execute code or destructively modify data, it configures an active browser automation environment that can influence subsequent actions taken by an AI agent.

From the tool's definition 'Enable or disable automatic element annotation' — toggles browser automation behavior that affects how the Playwright browser session operates and interacts with pages

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

playwright_set_auto_annotation Rate-limited

playwright_set_auto_annotation stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "playwright_set_auto_annotation": {
      "limits": [
        {
          "counter": "playwright_set_auto_annotation_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Playwright MCP Server for Security, so you can run agents against it safely.

FAQ

Questions about playwright_set_auto_annotation

What does the playwright_set_auto_annotation tool do? +

Enable or disable automatic element annotation. When enabled (default), all interactive elements are automatically highlighted with colored boxes and index numbers when a page loads or changes. It is categorised as a Execute tool in the Playwright MCP Server for Security MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on playwright_set_auto_annotation? +

Register the Playwright MCP Server for Security MCP server in PolicyLayer and add a rule for playwright_set_auto_annotation: 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_set_auto_annotation? +

playwright_set_auto_annotation is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit playwright_set_auto_annotation? +

Yes. Add a rate_limit block to the playwright_set_auto_annotation 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_set_auto_annotation completely? +

Set action: deny in the PolicyLayer policy for playwright_set_auto_annotation. 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_set_auto_annotation? +

playwright_set_auto_annotation 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.