download-video · Video Toolkit MCP: Risk & Policy

WHAT IT DOES

What download-video does on Video Toolkit

AI agents use download-video to create or update resources in Video Toolkit — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Video Toolkit environment.

WHY IT NEEDS A POLICY

Why download-video needs a policy

This tool retrieves a video from an external platform and writes it to local storage. It creates a new file on disk, which is a write operation. It is not purely read (it has a side effect of creating a file), not destructive (it doesn't delete anything), and not financial.

From the tool's definition Download a video from any supported platform (YouTube, Vimeo, etc.) to local storage. Returns the file path of the downloaded video.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

download-video Rate-limited

download-video 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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "download-video": {
      "limits": [
        {
          "counter": "download-video_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about download-video

What does the download-video tool do? +

Download a video from any supported platform (YouTube, Vimeo, etc.) to local storage. Returns the file path of the downloaded video. It is categorised as a Write tool in the Video Toolkit MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on download-video? +

Register the Video Toolkit MCP server in PolicyLayer and add a rule for download-video: 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 Video Toolkit. Nothing to install.

What risk level is download-video? +

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

Can I rate-limit download-video? +

Yes. Add a rate_limit block to the download-video 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 download-video completely? +

Set action: deny in the PolicyLayer policy for download-video. 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 download-video? +

download-video is provided by the Video Toolkit MCP server (jamesanz/transcript-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.