playwright_add_video_annotation

THE RISK

Medium Risk

Why playwright_add_video_annotation needs a policy

This tool modifies video recording metadata by appending annotations, which is a Write operation (creates new data). It does not execute arbitrary code, delete data, move money, or perform destructive actions. The blast radius is minimal since annotations are metadata additions that can be removed or overwritten.

From the tool's definition Tool adds/creates a timestamped annotation to an existing video recording. The name contains 'add' and the description explicitly states 'Add a timestamped annotation/marker', which is a reversible creation of metadata.

Documented attack patterns abuse exactly the kind of access playwright_add_video_annotation gives an agent:

POLICY

How to control playwright_add_video_annotation

PolicyLayer is an MCP gateway — it sits between your AI agents and RunAutomation MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for playwright_add_video_annotation:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "playwright_add_video_annotation": {
      "limits": [
        {
          "counter": "playwright_add_video_annotation_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

playwright_add_video_annotation stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

Create a free account and register RunAutomation MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

LIMIT THIS TOOL →

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EXPLORE

Related tools and policies

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Argument validation → Checking tool call arguments against schema and policy before they run.
Scoped token → Per-person credentials that grant a defined subset of servers and tools.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about playwright_add_video_annotation

What does the playwright_add_video_annotation tool do? +

Add a timestamped annotation/marker to the current video recording. It is categorised as a Write tool in the RunAutomation MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on playwright_add_video_annotation? +

Register the RunAutomation MCP Server MCP server in PolicyLayer and add a rule for playwright_add_video_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 RunAutomation MCP Server. Nothing to install.

What risk level is playwright_add_video_annotation? +

playwright_add_video_annotation is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit playwright_add_video_annotation? +

Yes. Add a rate_limit block to the playwright_add_video_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_add_video_annotation completely? +

Set action: deny in the PolicyLayer policy for playwright_add_video_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_add_video_annotation? +

playwright_add_video_annotation is provided by the RunAutomation MCP Server MCP server (tayyabakmal1/runautomation-mcpserver). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every RunAutomation MCP Server tool call.

Start from RunAutomation MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →