AI agents call get_account_balance 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 account balance and holdings information without modifying any data, executing code, or performing financial transactions. It is a passive read operation that returns account status metrics. The server's stated 'read-only' design confirms no side effects are possible.
From the tool's definition Tool name 'get_account_balance' and description '계좌평가현황 조회 (예수금, 보유종목, 평가금액, 손익률)' [Account evaluation status inquiry: deposits, holdings, evaluation amount, profit/loss rate] indicate retrieval of account data with no modification or execution capability.
Attacks that exploit this kind of access
계좌평가현황 조회 (예수금, 보유종목, 평가금액, 손익률). 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_account_balance: 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_account_balance 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_account_balance 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_account_balance. 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_account_balance 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.
Teams ship this data inside their own products. See what a licence covers →