youtube_list_captions

List caption tracks 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-list-captions.md

WHAT IT DOES

What youtube_list_captions does on ScopeGate

AI agents call youtube_list_captions 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_list_captions is rated Low

This tool retrieves publicly available metadata about caption tracks associated with a YouTube video. It does not create, modify, delete, or execute any operations—it only queries and returns information. Read operations have minimal security risk since they produce no state changes. Confidence is high because the description clearly indicates a list/retrieve action.

From the tool's definition Tool name 'youtube_list_captions' and description 'List caption tracks for a YouTube video' indicate a retrieval operation with no side effects. The verb 'list' is explicitly a read operation.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs youtube_list_captions 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_list_captions, this is the rule to start with:

youtube_list_captions Allowed

youtube_list_captions 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_list_captions": {}
  }
}

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_list_captions call is checked against it from then on.

FAQ

Questions about youtube_list_captions

What does the youtube_list_captions tool do? +

List caption tracks 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_list_captions? +

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

What risk level is youtube_list_captions? +

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

Can I rate-limit youtube_list_captions? +

Yes. Add a rate_limit block to the youtube_list_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 youtube_list_captions completely? +

Set action: deny in the PolicyLayer policy for youtube_list_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 youtube_list_captions? +

youtube_list_captions 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.

KEEP EXPLORING

More on ScopeGate, and thousands of servers like it.

This server

All 385 ScopeGate tools →

Across the catalogue

aiva_list_affiliates on AIVA MCP Server →list_agents on 0rca Dojo MCP Server → The MCP Attack Database →

Guides

Roll out MCP under one policy →Data exfiltration →MCP token cost →