텍스트 감성 분석 (단일 텍스트)
AI agents call news_sentiment_text 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 performs sentiment analysis on provided text input. Sentiment analysis is a read-only operation that examines and classifies text to extract sentiment information without modifying data, executing arbitrary code, or causing irreversible changes. The tool has no side effects on the underlying data or systems.
From the tool's definition Tool name 'news_sentiment_text' and description '텍스트 감성 분석 (단일 텍스트)' [Text sentiment analysis (single text)] indicate analysis/classification of existing text data without modification, retrieval, execution, or destructive actions.
Attacks that exploit this kind of access
텍스트 감성 분석 (단일 텍스트). 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_text: 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_text 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_text 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_text. 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_text 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.
Every MCP server has a record like this.
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