AI agents call summarize_video to retrieve information from Yt without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and processes video content to generate a summary. It performs read-only operations on YouTube video data—no data is created, modified, deleted, or executed. The action is a query-like analysis that extracts information without changing state. Severity is low because misuse would only result in unwanted summaries, with no destructive or financial impact.
From the tool's definition Tool name 'summarize_video' and description 'Summarize a YouTube video' indicate retrieval and analysis of existing video content with no modification, deletion, or execution of external operations.
Attacks that exploit this kind of access
Summarize a YouTube video. It is categorised as a Read tool in the Yt MCP Server, which means it retrieves data without modifying state.
Register the Yt MCP server in PolicyLayer and add a rule for summarize_video: 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 Yt. Nothing to install.
summarize_video 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 summarize_video 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 summarize_video. 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.
summarize_video is provided by the Yt MCP server (pakmangames/yt-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.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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