Finnhub 종합 요약 (뉴스+내부자+애널리스트+재무)
AI agents call finnhub_summary 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 summarizes existing financial data from Finnhub (a financial data provider). It queries news, insider information, analyst views, and financial statements—all read-only operations. The blast radius of misuse is minimal: an AI agent could retrieve irrelevant or excessive financial data, but cannot modify markets, execute trades, delete information, or cause financial harm.
From the tool's definition Tool name 'finnhub_summary' and description indicating it performs aggregation of news, insider trading data, analyst ratings, and financial metrics. These are all data retrieval and summarization operations ('종합 요약' = comprehensive summary).
Attacks that exploit this kind of access
Finnhub 종합 요약 (뉴스+내부자+애널리스트+재무). 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 finnhub_summary: 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.
finnhub_summary 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 finnhub_summary 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 finnhub_summary. 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.
finnhub_summary 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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