movie_grab

THE RISK

High Risk

Why movie_grab needs a policy

This tool triggers an external download operation (torrent) and also automatically cancels existing downloads, making it an Execute action with side effects on external systems. The automatic cancellation of existing downloads adds additional destructive side effects, but the primary action is initiating an external operation.

From the tool's definition 'Download a specific torrent release for a movie. Automatically cancels any existing download for the same movie to avoid duplicates.'

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

POLICY

How to control movie_grab

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

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "movie_grab": {
      "limits": [
        {
          "counter": "movie_grab_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

movie_grab 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.

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

RATE-LIMIT THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

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Go deeper

High-risk tools in Mediabox MCP → Every high-risk tool this server exposes, in one view.
All high-risk MCP tools → Every high-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Agent sandbox → Bounding what an agent can execute and where the boundary should sit.
Least privilege for MCP → Granting agents the minimum tool surface the task needs.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about movie_grab

What does the movie_grab tool do? +

Download a specific torrent release for a movie. Automatically cancels any existing download for the same movie to avoid duplicates. It is categorised as a Execute tool in the Mediabox MCP MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on movie_grab? +

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

What risk level is movie_grab? +

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

Can I rate-limit movie_grab? +

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

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

movie_grab is provided by the Mediabox MCP server (juancmpdev/mediabox-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Mediabox MCP tool call.

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

CHECK YOUR STACK →