subtitles_clip · vidMagik- MCP: Risk & Policy

WHAT IT DOES

What subtitles_clip does on vidMagik-mcp

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

WHY IT NEEDS A POLICY

Why subtitles_clip needs a policy

This tool creates (writes) subtitle data into a video clip object, representing a reversible modification to video composition. It does not execute arbitrary code, delete data, or cause financial impact. The severity is medium because misuse could add unwanted subtitles to videos or consume resources, but changes are reversible and localized to subtitle rendering without affecting underlying source files.

From the tool's definition Tool creates a subtitles clip from a .srt file, which generates new video content/data structures that modify the composition of video projects.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

subtitles_clip Rate-limited

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

FAQ

Questions about subtitles_clip

What does the subtitles_clip tool do? +

Create a subtitles clip from a .srt file. It is categorised as a Write tool in the vidMagik-mcp MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on subtitles_clip? +

Register the vidMagik- MCP server in PolicyLayer and add a rule for subtitles_clip: 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 subtitles_clip? +

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

Can I rate-limit subtitles_clip? +

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

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

subtitles_clip 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.