batch_compress_videos · FFmpeg MCP Tool MCP: Risk & Policy

WHAT IT DOES

What batch_compress_videos does on FFmpeg MCP Tool

AI agents use batch_compress_videos to create or update resources in FFmpeg MCP Tool — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your FFmpeg MCP Tool environment.

WHY IT NEEDS A POLICY

Why batch_compress_videos needs a policy

This tool compresses videos in batch, which is a reversible write operation that modifies file data. While compression reduces file size and potentially quality, the original files can theoretically be recovered from backups or the operation can be repeated with different parameters.

From the tool's definition Tool performs batch compression operations on videos, which modifies files by reducing their size/quality. Description states '批量压缩指定文件夹中的所有视频' (batch compress all videos in specified folder), indicating file modification at scale.

Risk signalsBulk/mass operation — affects multiple targets

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

batch_compress_videos Rate-limited

batch_compress_videos 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": {
    "batch_compress_videos": {
      "limits": [
        {
          "counter": "batch_compress_videos_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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Instant setup, no code required.

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

FAQ

Questions about batch_compress_videos

What does the batch_compress_videos tool do? +

批量压缩指定文件夹中的所有视频. It is categorised as a Write tool in the FFmpeg MCP Tool MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on batch_compress_videos? +

Register the FFmpeg MCP Tool MCP server in PolicyLayer and add a rule for batch_compress_videos: 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 FFmpeg MCP Tool. Nothing to install.

What risk level is batch_compress_videos? +

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

Can I rate-limit batch_compress_videos? +

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

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

batch_compress_videos is provided by the FFmpeg MCP Tool MCP server (lbjwt/ffmpeg-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.