transcribe_url · Whipscribe MCP: Risk & Policy

WHAT IT DOES

What transcribe_url does on Whipscribe

AI agents invoke transcribe_url to trigger actions in Whipscribe. 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 transcribe_url needs a policy

This tool triggers an external transcription operation by fetching content from a URL and processing it through the Whipscribe service. It executes an external operation whose effects depend on the URL argument, making it Execute category. Misuse could involve processing arbitrary URLs, incurring resource usage, or exposing content from unintended sources.

From the tool's definition Transcribe audio or video from a URL (direct media link

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

transcribe_url Rate-limited

transcribe_url 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": {
    "transcribe_url": {
      "limits": [
        {
          "counter": "transcribe_url_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 Whipscribe, so you can run agents against it safely.

FAQ

Questions about transcribe_url

What does the transcribe_url tool do? +

Transcribe audio or video from a URL (direct media link,. It is categorised as a Execute tool in the Whipscribe MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on transcribe_url? +

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

What risk level is transcribe_url? +

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

Can I rate-limit transcribe_url? +

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

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

transcribe_url is provided by the Whipscribe MCP server (neugence/whipscribe-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.