상관관계 히트맵
AI agents call chart_correlation_heatmap 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 visualizes correlation data between portfolio assets to support investment analysis. It performs no write operations, does not execute code or scripts, does not delete data, and does not involve financial transactions. It is purely informational and analytical, consistent with other sibling tools like chart_candlestick and chart_comparison that generate visual reports from existing data.
From the tool's definition Tool name 'chart_correlation_heatmap' and description '상관관계 히트맵' (correlation heatmap in Korean) indicate data visualization/analysis of existing portfolio data.
Attacks that exploit this kind of access
상관관계 히트맵. 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 chart_correlation_heatmap: 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.
chart_correlation_heatmap 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 chart_correlation_heatmap 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 chart_correlation_heatmap. 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.
chart_correlation_heatmap 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.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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