AI agents call get_meals to retrieve information from Datagsm without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves meal schedule and nutritional/allergen data from NEIS (a Korean educational system data source). It is purely informational with no side effects—no data is created, modified, deleted, or used to trigger external operations. The capability to filter by date or time period does not change its read-only nature.
From the tool's definition Tool description states '조회합니다' (query/retrieve), enabling retrieval of meal menus and allergy information for specific dates or periods. No creation, modification, deletion, or execution of external operations described.
Attacks that exploit this kind of access
NEIS 연동 급식 정보를 조회합니다. 특정 날짜 또는 기간의 급식 메뉴와 알레르기 정보를 확인할 수 있습니다. It is categorised as a Read tool in the Datagsm MCP Server, which means it retrieves data without modifying state.
Register the Datagsm MCP server in PolicyLayer and add a rule for get_meals: 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 Datagsm. Nothing to install.
get_meals 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_meals 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_meals. 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_meals is provided by the Datagsm MCP server (snowykte0426/datagsm-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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