AI agents call get_stock_price to retrieve information from Kiwoom without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves stock price information without modifying, executing operations, or affecting financial accounts. It is purely informational read access to public market data. The server's read-only design and the tool's function (retrieving prices and metrics) confirm Read category with low severity, as misuse would only return unwanted information rather than cause harm.
From the tool's definition Tool name is 'get_stock_price' and server description explicitly states 'read-only access' to 'real-time prices'.
Attacks that exploit this kind of access
주식 현재가 조회 (종목명, 현재가, 등락률, PER, PBR 등). It is categorised as a Read tool in the Kiwoom MCP Server, which means it retrieves data without modifying state.
Register the Kiwoom MCP server in PolicyLayer and add a rule for get_stock_price: 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 Kiwoom. Nothing to install.
get_stock_price 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 get_stock_price 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 get_stock_price. 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.
get_stock_price is provided by the Kiwoom MCP server (java-jaydev/kiwoom-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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