youtube_video
AI agents call youtube_video to retrieve information from SerpApi MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Given the server's stated purpose of providing 'comprehensive search capabilities' and 'transcript retrieval', youtube_video most likely retrieves video data, metadata, or transcripts from YouTube. This is a read-only operation with no data modification, deletion, or execution of arbitrary code.
From the tool's definition Tool name 'youtube_video' with empty description suggests retrieval of YouTube video information or metadata.
Attacks that exploit this kind of access
youtube_video. It is categorised as a Read tool in the SerpApi MCP Server MCP Server, which means it retrieves data without modifying state.
Register the SerpApi MCP Server MCP server in PolicyLayer and add a rule for youtube_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 SerpApi MCP Server. Nothing to install.
youtube_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 youtube_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 youtube_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.
youtube_video is provided by the SerpApi MCP Server MCP server (urdjmk/serpapi-mcp-server). 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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