Search OpenAI youtube channel via RSS by title.
AI agents call search_youtube to retrieve information from FastMCP Tools Calculator without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves data from a public RSS feed without modifying, deleting, or executing any operations. It is a passive search/query function with no side effects or ability to alter state. The low severity reflects minimal blast radius if misused by an AI agent—worst case being unwanted search queries against public data.
From the tool's definition Tool description states 'Search OpenAI youtube channel via RSS by title' - a read-only query operation that retrieves publicly available video metadata from an RSS feed.
Attacks that exploit this kind of access
Search OpenAI youtube channel via RSS by title. It is categorised as a Read tool in the FastMCP Tools Calculator MCP Server, which means it retrieves data without modifying state.
Register the FastMCP Tools Calculator MCP server in PolicyLayer and add a rule for search_youtube: 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 FastMCP Tools Calculator. Nothing to install.
search_youtube 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 search_youtube 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 search_youtube. 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.
search_youtube is provided by the FastMCP Tools Calculator MCP server (sriharsha-inthub/mcp-applications). 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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