iwencai_region_news · FNewsCrawler MCP: Risk & Policy

WHAT IT DOES

What iwencai_region_news does on FNewsCrawler

AI agents call iwencai_region_news to retrieve information from FNewsCrawler without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

WHY IT NEEDS A POLICY

Why iwencai_region_news needs a policy

The naming pattern and sibling tools on this deprecated financial news MCP server all perform read-only operations that query or retrieve financial news and market data. While the description is absent, the tool name and server context strongly suggest this retrieves regional financial news without side effects. No destructive, write, execute, or financial transaction capabilities are evident.

From the tool's definition Tool name 'iwencai_region_news' suggests retrieval of regional news data. The description is empty, but context from sibling tools (all retrieving financial data like 'get_ak_news_cctv', 'get_ak_stock_news_em', etc.) indicates this server provides data…

Attacks that exploit this kind of access

Questions about iwencai_region_news

What does the iwencai_region_news tool do? +

iwencai_region_news. It is categorised as a Read tool in the FNewsCrawler MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on iwencai_region_news? +

Register the FNewsCrawler MCP server in PolicyLayer and add a rule for iwencai_region_news: 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 FNewsCrawler. Nothing to install.

What risk level is iwencai_region_news? +

iwencai_region_news is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit iwencai_region_news? +

Yes. Add a rate_limit block to the iwencai_region_news 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.

How do I block iwencai_region_news completely? +

Set action: deny in the PolicyLayer policy for iwencai_region_news. 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.

What MCP server provides iwencai_region_news? +

iwencai_region_news is provided by the FNewsCrawler MCP server (noimank/fnewscrawler). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.