get_video_subtitles
AI agents call get_video_subtitles to retrieve information from YouTube Lecture Notes MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves/queries subtitle data from YouTube videos with no side effects—no creation, modification, deletion, or execution of external operations. The blast radius of misuse is minimal: worst case is unauthorized access to publicly or privately available video transcripts, which is a read-only concern.
From the tool's definition Tool name 'get_video_subtitles' retrieves transcript data from YouTube videos. Server description indicates it 'extracts subtitles' and 'generates structured notes', consistent with data retrieval without modification.
Attacks that exploit this kind of access
get_video_subtitles. It is categorised as a Read tool in the YouTube Lecture Notes MCP MCP Server, which means it retrieves data without modifying state.
Register the YouTube Lecture Notes MCP server in PolicyLayer and add a rule for get_video_subtitles: 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 Lecture Notes MCP. Nothing to install.
get_video_subtitles 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_video_subtitles 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_video_subtitles. 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_video_subtitles is provided by the YouTube Lecture Notes MCP server (mohsinkhadim59/youtube-obsidian-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
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