get_stock_grade_latest_news

获取所有股票的最新评级新闻

SERVERYahoo Finance MCP Server SOURCE16coffee/finance-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade A, identity unverified Pull the record →

This record as markdown: /tools/16coffee-finance-mcp/get-stock-grade-latest-news.md

WHAT IT DOES

What get_stock_grade_latest_news does on Yahoo Finance MCP Server

AI agents call get_stock_grade_latest_news to retrieve information from Yahoo Finance MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why get_stock_grade_latest_news is rated Low

This tool retrieves financial news and stock grade/rating information from Yahoo Finance. It performs a query operation to fetch existing data without creating, modifying, deleting, or executing any code. The blast radius is minimal as it only exposes publicly available market data to the AI agent.

From the tool's definition Tool name 'get_stock_grade_latest_news' and description '获取所有股票的最新评级新闻' (retrieve latest rating news for all stocks) indicate data retrieval with no modification or execution.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_stock_grade_latest_news safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Yahoo Finance MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_stock_grade_latest_news, this is the rule to start with:

get_stock_grade_latest_news Allowed

get_stock_grade_latest_news is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_stock_grade_latest_news": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Yahoo Finance MCP Server, apply this rule, and every get_stock_grade_latest_news call is checked against it from then on.

FAQ

Questions about get_stock_grade_latest_news

What does the get_stock_grade_latest_news tool do? +

获取所有股票的最新评级新闻. It is categorised as a Read tool in the Yahoo Finance MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_stock_grade_latest_news? +

Register the Yahoo Finance MCP Server MCP server in PolicyLayer and add a rule for get_stock_grade_latest_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 Yahoo Finance MCP Server. Nothing to install.

What risk level is get_stock_grade_latest_news? +

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

Can I rate-limit get_stock_grade_latest_news? +

Yes. Add a rate_limit block to the get_stock_grade_latest_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 get_stock_grade_latest_news completely? +

Set action: deny in the PolicyLayer policy for get_stock_grade_latest_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 get_stock_grade_latest_news? +

get_stock_grade_latest_news is provided by the Yahoo Finance MCP Server MCP server (16coffee/finance-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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