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 is a pure read/query operation that fetches market data for a given stock ticker. No data is created, modified, or deleted, and no financial transactions are initiated. Misuse risk is minimal as it only exposes publicly available market information.
From the tool's definition 조회합니다 (retrieves/queries) — the tool looks up current price, day-over-day change, open/high/low, 250-day high/low, and PER/PBR/EPS for a stock
Attacks that exploit this kind of access
종목의 현재가, 전일대비, 시가/고가/저가, 250일 고저, PER/PBR/EPS를 조회합니다. 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 (kwonsw812/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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