done · MCP Macaco Playwright MCP: Risk & Policy

WHAT IT DOES

What done does on MCP Macaco Playwright

AI agents call done as a supporting operation in MCP Macaco Playwright workflows.

WHY IT NEEDS A POLICY

Why done needs a policy

This tool appears to be a signaling/termination tool that marks a task as done. It does not read, write, execute, destroy, or move money. It is a workflow control primitive with minimal blast radius.

From the tool's definition 'Call this tool when the task is complete' — signals task completion with no described side effects

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

done Rate-limited

done gets a rate cap, and everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "done": {
      "limits": [
        {
          "counter": "done_rate",
          "window": "minute",
          "max": 60,
          "scope": "grant"
        }
      ]
    }
  }
}

SET A RULE FOR THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about done

What does the done tool do? +

Call this tool when the task is complete. It is categorised as a Other tool in the MCP Macaco Playwright MCP Server, which means it performs auxiliary operations.

How do I enforce a policy on done? +

Register the MCP Macaco Playwright MCP server in PolicyLayer and add a rule for done: 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.

What risk level is done? +

done is a Other tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit done? +

Yes. Add a rate_limit block to the done 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 done completely? +

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

done 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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