AI agents call get_transcript to retrieve information from MCP YouTube Intelligence without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves pre-existing YouTube video transcript data without any side effects, creation, modification, or deletion of content. It is a straightforward read operation analogous to a GET request.
From the tool's definition Tool name 'get_transcript' and description 'Get video transcript' indicate data retrieval with no modification, deletion, or execution of code. The mode parameter is unspecified but the core function is to fetch/query existing transcript data.
Documented attack patterns abuse exactly the kind of access get_transcript gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and MCP YouTube Intelligence, and nothing reaches the server without passing your rules. This is the rule we recommend for get_transcript:
{
"version": "1",
"default": "deny",
"tools": {
"get_transcript": {}
}
}get_transcript is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get video transcript. mode:. It is categorised as a Read tool in the MCP YouTube Intelligence MCP Server, which means it retrieves data without modifying state.
Register the MCP YouTube Intelligence MCP server in PolicyLayer and add a rule for get_transcript: 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 MCP YouTube Intelligence. Nothing to install.
get_transcript is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the get_transcript 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.
Set action: deny in the PolicyLayer policy for get_transcript. 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.
get_transcript is provided by the MCP YouTube Intelligence MCP server (janghyuckyun/mcp-youtube-intelligence). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from MCP YouTube Intelligence, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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10 MCP YouTube Intelligence tools catalogued and risk-classified — across an index of 43,000+ MCP servers.