AI agents call get_sido_average_price to retrieve information from Opinet without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns fuel price information from Korea Petroleum Corporation's public API. It performs a simple data retrieval operation with no side effects—it does not create, modify, delete, or execute any operations. The worst-case scenario of misuse (e.g., flooding requests) is a DoS concern mitigated by API rate-limiting, not a data integrity or financial risk.
From the tool's definition Tool name 'get_sido_average_price' and description indicate it 'inquires/queries current average fuel prices by administrative division' (sido=provincial code). It retrieves data ('조회합니다' = inquire/query) without modifying, deleting, or executing operations.
Attacks that exploit this kind of access
현재 시도별 주유소 평균가격을 조회합니다. sido(시도코드 2자리) 미입력 시 전국 시도 모두 반환됩니다. It is categorised as a Read tool in the Opinet MCP Server, which means it retrieves data without modifying state.
Register the Opinet MCP server in PolicyLayer and add a rule for get_sido_average_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 Opinet. Nothing to install.
get_sido_average_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_sido_average_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_sido_average_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_sido_average_price is provided by the Opinet MCP server (kimjintak/opinet-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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