Extract and format feed content for different use cases
AI agents call extract_feed_content to retrieve information from Mcp Rss without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and reformats existing RSS feed content for presentation to the user. It has no side effects—it reads data from feeds already in the system and returns formatted versions. No data is created, modified, deleted, or used to trigger external operations. The low severity reflects minimal risk even if misused, as the worst outcome is retrieving publicly available feed information in different formats.
From the tool's definition Tool description states 'Extract and format feed content' with no modification, deletion, or execution capabilities. Server is explicitly for 'fetching, parsing, and managing RSS feeds' with read-only operations (fetch, parse, search, extract, monitor).
Documented attack patterns abuse exactly the kind of access extract_feed_content gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Mcp Rss, and nothing reaches the server without passing your rules. This is the rule we recommend for extract_feed_content:
{
"version": "1",
"default": "deny",
"tools": {
"extract_feed_content": {}
}
}extract_feed_content is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Extract and format feed content for different use cases. It is categorised as a Read tool in the Mcp Rss MCP Server, which means it retrieves data without modifying state.
Register the Mcp Rss MCP server in PolicyLayer and add a rule for extract_feed_content: 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 Rss. Nothing to install.
extract_feed_content 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 extract_feed_content 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 extract_feed_content. 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.
extract_feed_content is provided by the Mcp Rss MCP server (missionsquad/mcp-rss). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Mcp Rss, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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6 Mcp Rss tools catalogued and risk-classified — across an index of 43,000+ MCP servers.