Fetch a YouTube video transcript with sponsor reads, intros, outros, self-promotion, and filler removed using SponsorBlock data. Ideal for summarization.
AI agents call get_clean_transcript to retrieve information from YouTube MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves video transcript data from YouTube and applies client-side filtering (removal of sponsor reads, intros, etc.) using SponsorBlock metadata. No data is created, modified, deleted, or executed. The operation is read-only with no side effects.
From the tool's definition Tool description states 'Fetch a YouTube video transcript' and 'Ideal for summarization' – this retrieves and processes existing data without modification, deletion, or execution of external operations.
Attacks that exploit this kind of access
Fetch a YouTube video transcript with sponsor reads, intros, outros, self-promotion, and filler removed using SponsorBlock data. Ideal for summarization. It is categorised as a Read tool in the YouTube MCP Server MCP Server, which means it retrieves data without modifying state.
Register the YouTube MCP Server MCP server in PolicyLayer and add a rule for get_clean_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 YouTube MCP Server. Nothing to install.
get_clean_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_clean_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_clean_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_clean_transcript is provided by the YouTube MCP Server MCP server (wynandw87/claude-code-youtube-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
get_clean_transcript is one line of YouTube MCP Server's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
Teams ship this data inside their own products. See what a licence covers →