check_duplicate_therapy
Checks if the new drug is in the same therapeutic class as any existing medication using RxNorm API.
This record as markdown: /tools/nitrostack/check-duplicate-therapy.md
What check_duplicate_therapy does on Nitrostack
AI agents call check_duplicate_therapy to retrieve information from Nitrostack without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why check_duplicate_therapy is rated Low
Tool queries RxNorm API to retrieve therapeutic classification data without modifying or executing operations.
From the tool's definition Checks if the new drug is in the same therapeutic class as existing medication
Attacks that exploit this kind of access
The rule that runs check_duplicate_therapy safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Nitrostack, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For check_duplicate_therapy, this is the rule to start with:
check_duplicate_therapy is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Nitrostack, apply this rule, and every check_duplicate_therapy call is checked against it from then on.
Questions about check_duplicate_therapy
Checks if the new drug is in the same therapeutic class as any existing medication using RxNorm API. It is categorised as a Read tool in the Nitrostack MCP Server, which means it retrieves data without modifying state.
Register the Nitrostack MCP server in PolicyLayer and add a rule for check_duplicate_therapy: 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 Nitrostack. Nothing to install.
check_duplicate_therapy 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 check_duplicate_therapy 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 check_duplicate_therapy. 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.
check_duplicate_therapy is provided by the Nitrostack MCP server (nitrocloudofficial/nitrostack). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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