AI agents call get_stock_news_feed to retrieve information from Gurufocus without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves financial news data related to stocks. It has no write, delete, code execution, or financial transaction capabilities. The blast radius of misuse is minimal—worst case, an AI agent makes redundant API calls or accesses news it shouldn't. No data is modified, deleted, or financial commitments made.
From the tool's definition Tool name 'get_stock_news_feed' indicates retrieval of news data. Description is empty, but the name and context (sibling tools are all read-only data retrieval tools like get_economic_indicator, get_exchange_list) strongly suggest this fetches or queries…
Attacks that exploit this kind of access
get_stock_news_feed. It is categorised as a Read tool in the Gurufocus MCP Server, which means it retrieves data without modifying state.
Register the Gurufocus MCP server in PolicyLayer and add a rule for get_stock_news_feed: 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 Gurufocus. Nothing to install.
get_stock_news_feed 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 get_stock_news_feed 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 get_stock_news_feed. 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.
get_stock_news_feed is provided by the Gurufocus MCP server (u-daveblack/gurufocus-mcp). 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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