comet_ask · Comet MCP: Risk & Policy

WHAT IT DOES

What comet_ask does on Comet

AI agents invoke comet_ask to trigger actions in Comet. 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 comet_ask needs a policy

This tool triggers agentic browser automation including form filling, login flows, and dynamic web interaction. It executes external operations whose effects depend on the prompt arguments — navigating pages, submitting forms, and interacting with live web services.

From the tool's definition Send a prompt to Comet/Perplexity and wait for the complete response... real browser interaction (login walls, dynamic content, filling forms) or deep research with agentic browsing

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

comet_ask Rate-limited

comet_ask 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": {
    "comet_ask": {
      "limits": [
        {
          "counter": "comet_ask_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 Comet, so you can run agents against it safely.

FAQ

Questions about comet_ask

What does the comet_ask tool do? +

Send a prompt to Comet/Perplexity and wait for the complete response (blocking). Ideal for tasks requiring real browser interaction (login walls, dynamic content, filling forms) or deep research with agentic browsing. It is categorised as a Execute tool in the Comet MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on comet_ask? +

Register the Comet MCP server in PolicyLayer and add a rule for comet_ask: 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 Comet. Nothing to install.

What risk level is comet_ask? +

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

Can I rate-limit comet_ask? +

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

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

comet_ask is provided by the Comet MCP server (simplicianokelly52/comet_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.