AI agents call getArticles to retrieve information from MCP-RSS-Crawler without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a simple data query operation that retrieves existing articles from the database. There are no side effects, no data modification, and no external operations triggered. The action is non-destructive and read-only in nature, fitting squarely into the Read category. Severity is low as unauthorized access to articles carries minimal risk compared to tools that modify or execute operations.
From the tool's definition Tool name 'getArticles' and description 'Get all articles from the database' indicate a retrieval operation with no modification or deletion of data.
Documented attack patterns abuse exactly the kind of access getArticles gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and MCP-RSS-Crawler, and nothing reaches the server without passing your rules. This is the rule we recommend for getArticles:
{
"version": "1",
"default": "deny",
"tools": {
"getArticles": {}
}
}getArticles is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get all articles from the database. It is categorised as a Read tool in the MCP-RSS-Crawler MCP Server, which means it retrieves data without modifying state.
Register the MCP-RSS-Crawler MCP server in PolicyLayer and add a rule for getArticles: 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-Crawler. Nothing to install.
getArticles 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 getArticles 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 getArticles. 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.
getArticles is provided by the MCP-RSS-Crawler MCP server (mshk/mcp-rss-crawler). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from MCP-RSS-Crawler, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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18 MCP-RSS-Crawler tools catalogued and risk-classified — across an index of 43,000+ MCP servers.