Find Taiwan NHI 審查注意事項 clauses that reference a specific procedure code (e.g.
AI agents call lookup_audit_clauses_for_procedure to retrieve information from Opdstar Nhi without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves audit clauses and regulatory reference information from Taiwan's National Health Insurance database based on a procedure code parameter. It performs a read-only query operation with no side effects—it neither modifies, deletes, nor executes external actions. The data retrieved is informational (audit clauses and compliance notes), making misuse by an AI agent low-risk.
From the tool's definition Tool name is 'lookup_audit_clauses_for_procedure' and description indicates it 'Find[s] Taiwan NHI 審查注意事項 clauses that reference a specific procedure code'.
Attacks that exploit this kind of access
Find Taiwan NHI 審查注意事項 clauses that reference a specific procedure code (e.g. It is categorised as a Read tool in the Opdstar Nhi MCP Server, which means it retrieves data without modifying state.
Register the Opdstar Nhi MCP server in PolicyLayer and add a rule for lookup_audit_clauses_for_procedure: 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 Opdstar Nhi. Nothing to install.
lookup_audit_clauses_for_procedure 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 lookup_audit_clauses_for_procedure 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 lookup_audit_clauses_for_procedure. 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.
lookup_audit_clauses_for_procedure is provided by the Opdstar Nhi MCP server (tatsuju/opdstar-nhi-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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