vfx_supersample · vidMagik- MCP: Risk & Policy

WHAT IT DOES

What vfx_supersample does on vidMagik-mcp

AI agents invoke vfx_supersample to trigger actions in vidMagik-mcp. 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 vfx_supersample needs a policy

Supersampling is a video/graphics processing technique that renders frames at a higher resolution and downsamples them for anti-aliasing or quality improvement. In the context of MoviePy, this executes a video frame transformation operation. It is not purely reading data, nor is it destructive or financial. The short description lowers confidence.

From the tool's definition Tool name 'vfx_supersample' and description 'Supersample.' — description is uninformative, but context is a video editing/effects MCP server with over 70 tools for video transformations.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

vfx_supersample Rate-limited

vfx_supersample 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": {
    "vfx_supersample": {
      "limits": [
        {
          "counter": "vfx_supersample_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 vidMagik-mcp, so you can run agents against it safely.

FAQ

Questions about vfx_supersample

What does the vfx_supersample tool do? +

Supersample. It is categorised as a Execute tool in the vidMagik-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 vfx_supersample? +

Register the vidMagik- MCP server in PolicyLayer and add a rule for vfx_supersample: 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 vidMagik-mcp. Nothing to install.

What risk level is vfx_supersample? +

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

Can I rate-limit vfx_supersample? +

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

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

vfx_supersample is provided by the vidMagik- MCP server (vizionik25/vidmagik-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.