iwencai_company_news
AI agents call iwencai_company_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.
This tool retrieves company news from Iwencai (a financial data provider), consistent with the server's purpose of aggregating financial news. No execution, modification, or deletion capabilities are evident. The tool is read-only data retrieval with no side effects, placing it in the Read category with low severity risk.
From the tool's definition Tool name 'iwencai_company_news' indicates retrieval of company news data. Server context shows FNewsCrawler provides '实时财经资讯' (real-time financial information/news).
Attacks that exploit this kind of access
iwencai_company_news. It is categorised as a Read tool in the FNewsCrawler MCP Server, which means it retrieves data without modifying state.
Register the FNewsCrawler MCP server in PolicyLayer and add a rule for iwencai_company_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.
iwencai_company_news 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 iwencai_company_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.
Set action: deny in the PolicyLayer policy for iwencai_company_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.
iwencai_company_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.
Every MCP server has a record like this.
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