Get RxNorm mappings for a specific SET ID
AI agents call get_rxnorm_mappings_for_setid to retrieve information from DailyMed MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves pharmaceutical reference data (RxNorm mappings) from the FDA DailyMed database. It queries existing information without side effects—no records are created, modified, deleted, or any external operations triggered. The blast radius of misuse is minimal; an agent could only retrieve more medication mapping data than intended, which poses no financial, destructive, or operational risk.
From the tool's definition Tool performs a 'Get' operation to retrieve RxNorm mappings for a SET ID. The verb 'Get' and the retrieval nature ('mappings for') indicate a read-only query with no data modification, creation, deletion, or execution of operations.
Attacks that exploit this kind of access
Get RxNorm mappings for a specific SET ID. It is categorised as a Read tool in the DailyMed MCP Server MCP Server, which means it retrieves data without modifying state.
Register the DailyMed MCP Server MCP server in PolicyLayer and add a rule for get_rxnorm_mappings_for_setid: 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 DailyMed MCP Server. Nothing to install.
get_rxnorm_mappings_for_setid 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_rxnorm_mappings_for_setid 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_rxnorm_mappings_for_setid. 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_rxnorm_mappings_for_setid is provided by the DailyMed MCP Server MCP server (rowanerasmus/dailymed-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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