Search YouTube for videos, channels, or playlists.
AI agents call youtube_search to retrieve information from Mcp Everything without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a straightforward search/query function that retrieves information from YouTube. It has no side effects, does not modify data, does not execute code or external operations, and does not affect financial systems or delete data. The blast radius of misuse is minimal—an agent could only retrieve excessive amounts of search results, which poses negligible security risk.
From the tool's definition Tool name 'youtube_search' and description 'Search YouTube for videos, channels, or playlists' indicate a query operation that retrieves data without modifying or executing anything.
Attacks that exploit this kind of access
Search YouTube for videos, channels, or playlists. It is categorised as a Read tool in the Mcp Everything MCP Server, which means it retrieves data without modifying state.
Register the Mcp Everything MCP server in PolicyLayer and add a rule for youtube_search: 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 Mcp Everything. Nothing to install.
youtube_search 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_search 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_search. 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_search is provided by the Mcp Everything MCP server (wellix260/mcp-everything). 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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