youtube_transcript

HTTP: GET /v1/youtube/transcript/{id}

SERVERReplyNodes SOURCEhttps://mcp.replynodes.com/mcp

Low RISK CLASS

Category Read

Parameters 21 required

Recommended Allowedsee the rule below

Registry record Grade D, identity unverified Pull the record →

This record as markdown: /tools/com-replynodes-mcp/youtube-transcript.md

WHAT IT DOES

What youtube_transcript does on ReplyNodes

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

Parameter	Type	Required	Description
`id`	string	Yes	path parameter
`language`	string	—	query parameter

Parameters from the server's own tool schema.

RISK

Why youtube_transcript is rated Low

Fetches public YouTube transcripts; read-only query with no side effects or data modification.

From the tool's definition GET /v1/youtube/transcript/{id} — retrieves transcript data without modification.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs youtube_transcript safely

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

youtube_transcript Allowed

youtube_transcript 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_transcript": {}
  }
}

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

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

FAQ

Questions about youtube_transcript

What does the youtube_transcript tool do? +

HTTP: GET /v1/youtube/transcript/{id}. It is categorised as a Read tool in the ReplyNodes MCP Server, which means it retrieves data without modifying state.

What parameters does youtube_transcript accept? +

youtube_transcript accepts 2 parameters: id, language. Required: id. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on youtube_transcript? +

Register the ReplyNodes MCP server in PolicyLayer and add a rule for youtube_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 ReplyNodes. Nothing to install.

What risk level is youtube_transcript? +

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

Can I rate-limit youtube_transcript? +

Yes. Add a rate_limit block to the youtube_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.

How do I block youtube_transcript completely? +

Set action: deny in the PolicyLayer policy for youtube_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.

What MCP server provides youtube_transcript? +

youtube_transcript is provided by the ReplyNodes MCP server (https://mcp.replynodes.com/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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