place_buy_order · Kiwoom MCP: Risk & Policy

WHAT IT DOES

What place_buy_order does on Kiwoom

AI agents use place_buy_order to commit financial operations through Kiwoom — usually the final step of a payment, billing, or trading workflow. A call moves real money.

WHY IT NEEDS A POLICY

Why place_buy_order needs a policy

This tool places real stock buy orders through Kiwoom Securities, directly committing financial resources. Misuse could result in unintended stock purchases and financial loss, making it a critical financial risk.

From the tool's definition 주식 매수 주문을 실행합니다 (Executes a stock buy order). Supports market price or limit price purchases.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

place_buy_order Approval-gated

Any call to place_buy_order is blocked until a human approves it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "place_buy_order": {
      "deny_if": [
        {
          "conditions": [],
          "on_deny": "Requires human approval."
        }
      ]
    }
  }
}

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PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Kiwoom, so you can run agents against it safely.

FAQ

Questions about place_buy_order

What does the place_buy_order tool do? +

주식 매수 주문을 실행합니다. 시장가 또는 지정가 매수를 지원합니다. It is categorised as a Financial tool in the Kiwoom MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on place_buy_order? +

Register the Kiwoom MCP server in PolicyLayer and add a rule for place_buy_order: 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.

What risk level is place_buy_order? +

place_buy_order is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit place_buy_order? +

Yes. Add a rate_limit block to the place_buy_order 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.

How do I block place_buy_order completely? +

Set action: deny in the PolicyLayer policy for place_buy_order. 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.

What MCP server provides place_buy_order? +

place_buy_order 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.