video_studio_generate_captions · LocalAnt MCP: Risk & Policy

WHAT IT DOES

What video_studio_generate_captions does on LocalAnt

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

WHY IT NEEDS A POLICY

Why video_studio_generate_captions needs a policy

The tool creates new caption files and structured data (SRT, ASS, JSON formats) as output. This is a reversible Write operation—the generated captions can be modified, deleted, or regenerated without permanent system damage. It does not execute arbitrary code, delete data, move money, or cause irreversible harm.

From the tool's definition Tool generates caption files in SRT, ASS, and word timing JSON formats. These are file creation/generation operations that produce new data artifacts.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

video_studio_generate_captions Rate-limited

video_studio_generate_captions 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": {
    "video_studio_generate_captions": {
      "limits": [
        {
          "counter": "video_studio_generate_captions_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 LocalAnt, so you can run agents against it safely.

FAQ

Questions about video_studio_generate_captions

What does the video_studio_generate_captions tool do? +

Generate SRT, ASS, and word timing JSON captions. It is categorised as a Write tool in the LocalAnt MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on video_studio_generate_captions? +

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

What risk level is video_studio_generate_captions? +

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

Can I rate-limit video_studio_generate_captions? +

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

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

video_studio_generate_captions is provided by the LocalAnt MCP server (yuga-hashimoto/localant). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.