Look up the active Taiwan NHI drug catalog by generic name, brand name, NHI drug code, or alias — returns up to 10 matches with strength, dosage form, route, ATC code, therapeutic class, and brand list. Use when an agent needs to identify or disambiguate a drug before recommending dosage / formul...
AI agents call lookup_drug 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 and queries drug catalog data with no side effects. It is a pure read operation used for drug identification and disambiguation before clinical documentation. It has negligible blast radius if misused by an AI agent since it only returns informational lookups from a reference database.
From the tool's definition Tool performs lookup and returns drug information from a catalog: 'Look up the active Taiwan NHI drug catalog by generic name, brand name, NHI drug code, or alias — returns up to 10 matches with strength, dosage form, route, ATC code, therapeutic class, and…
Attacks that exploit this kind of access
Look up the active Taiwan NHI drug catalog by generic name, brand name, NHI drug code, or alias — returns up to 10 matches with strength, dosage form, route, ATC code, therapeutic class, and brand list. Use when an agent needs to identify or disambiguate a drug before recommending dosage / formulation in a SOAP draft. Don. 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_drug: 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_drug 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_drug 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_drug. 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_drug 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.
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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