여러 종목 뉴스 감성 비교
AI agents call news_sentiment_compare to retrieve information from PM-MCP (Portfolio Management 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 analyzes news sentiment data for comparative purposes. It performs no data modification (Write), does not execute code or external operations (Execute), does not delete data (Destructive), and does not involve financial transactions (Financial). The capability is purely analytical and read-based, examining existing news sentiment to inform investment decisions without side effects.
From the tool's definition Tool name 'news_sentiment_compare' and description indicating comparison of news sentiment across multiple securities.
Attacks that exploit this kind of access
여러 종목 뉴스 감성 비교. It is categorised as a Read tool in the PM-MCP (Portfolio Management MCP Server) MCP Server, which means it retrieves data without modifying state.
Register the PM-MCP (Portfolio Management MCP Server) MCP server in PolicyLayer and add a rule for news_sentiment_compare: 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 PM-MCP (Portfolio Management MCP Server). Nothing to install.
news_sentiment_compare 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_sentiment_compare 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_sentiment_compare. 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_sentiment_compare is provided by the PM-MCP (Portfolio Management MCP Server) MCP server (surplus96/pm-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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