Search KRX stocks by name. Returns matching stock codes (ISU_CD), short codes (ISU_SRT_CD), names (ISU_NM), and market (KOSPI/KOSDAQ). Use this to resolve a stock name to its code before querying market data.
AI agents call krx_search to retrieve information from Krx Cli without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries financial market data (stock codes, names, market classification) without modifying any state, executing code, or triggering external operations. It is a lookup/search utility with no side effects, fitting the Read category.
From the tool's definition Tool description states it "Search[es] KRX stocks by name" and "Returns matching stock codes...names...and market". The verb is 'search' and the function is purely informational retrieval with no modification, deletion, or execution of external operations.
Attacks that exploit this kind of access
Search KRX stocks by name. Returns matching stock codes (ISU_CD), short codes (ISU_SRT_CD), names (ISU_NM), and market (KOSPI/KOSDAQ). Use this to resolve a stock name to its code before querying market data. It is categorised as a Read tool in the Krx Cli MCP Server, which means it retrieves data without modifying state.
Register the Krx Cli MCP server in PolicyLayer and add a rule for krx_search: 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 Krx Cli. Nothing to install.
krx_search 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 krx_search 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 krx_search. 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.
krx_search is provided by the Krx Cli MCP server (kyo504/krx-cli). 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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