youtube_download_caption

Download caption track content for a YouTube video

SERVERScopeGate SOURCEhttps://mcp.scopegate.cloud/{api_key}

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-alifanov-scopegate/youtube-download-caption.md

WHAT IT DOES

What youtube_download_caption does on ScopeGate

AI agents call youtube_download_caption to retrieve information from ScopeGate without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why youtube_download_caption is rated Low

Downloading captions is a read-only operation that retrieves publicly available metadata from YouTube. It has no side effects, does not modify data, does not execute arbitrary code, and does not involve financial transactions. The blast radius of misuse is minimal—an agent could retrieve captions from videos it shouldn't access, but this is a low-severity information disclosure risk.

From the tool's definition Tool name 'youtube_download_caption' and description 'Download caption track content for a YouTube video' indicate retrieval of existing caption data with no modification, deletion, or execution of code.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs youtube_download_caption safely

PolicyLayer is an MCP gateway: it sits between your AI agents and ScopeGate, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For youtube_download_caption, this is the rule to start with:

youtube_download_caption Allowed

youtube_download_caption is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "youtube_download_caption": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect ScopeGate, apply this rule, and every youtube_download_caption call is checked against it from then on.

FAQ

Questions about youtube_download_caption

What does the youtube_download_caption tool do? +

Download caption track content for a YouTube video. It is categorised as a Read tool in the ScopeGate MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on youtube_download_caption? +

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

What risk level is youtube_download_caption? +

youtube_download_caption is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit youtube_download_caption? +

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

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

youtube_download_caption is provided by the ScopeGate MCP server (https://mcp.scopegate.cloud/{api_key}). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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