获取指定投资标的的新闻信息
AI agents call news to retrieve information from Trade MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries investment news data without modifying, deleting, or executing any operations. It is a pure data retrieval function that poses minimal security risk when misused by an AI agent, as it only returns publicly available information about markets and investments.
From the tool's definition Tool name: 'news'; description: '获取指定投资标的的新闻信息' (retrieves news information for specified investment targets). The verb '获取' means 'retrieve' or 'fetch', indicating a read-only operation with no side effects.
Attacks that exploit this kind of access
获取指定投资标的的新闻信息. It is categorised as a Read tool in the Trade MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Trade MCP Server MCP server in PolicyLayer and add a rule for 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 Trade MCP Server. Nothing to install.
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 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 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.
news is provided by the Trade MCP Server MCP server (woodsgao/trade-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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