news_crawl_batch
AI agents call news_crawl_batch 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.
The tool appears designed to crawl and retrieve news data in batch mode. The 'crawl' verb and 'batch' qualifier indicate automated retrieval operations. No parameters, execution capabilities, or destructive operations are evident. The server's stated purpose is retrieving financial news/information, categorizing this as a Read operation.
From the tool's definition Tool name 'news_crawl_batch' indicates batch retrieval of news content. Server description confirms it 'provides real-time financial news' (财经资讯).
Attacks that exploit this kind of access
news_crawl_batch. 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 news_crawl_batch: 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.
news_crawl_batch 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 news_crawl_batch 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 news_crawl_batch. 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.
news_crawl_batch 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.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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