Search for drugs using DailyMed drug class codes (from the drug classes API). Supports pagination for large result sets.
AI agents call search_drugs_by_pharmacologic_class 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 drug information from a read-only FDA database based on filtering criteria. It has no side effects—it queries and returns data without changing, creating, or destroying anything. The operation is non-destructive and informational in nature. Severity is low because misuse would only expose publicly available pharmaceutical reference data, with no capability to harm systems or data integrity.
From the tool's definition Tool performs a search/query operation on the DailyMed database filtered by pharmacologic class codes. Description explicitly states it 'search for drugs' and 'supports pagination for large result sets', indicating data retrieval without modification.
Attacks that exploit this kind of access
Search for drugs using DailyMed drug class codes (from the drug classes API). Supports pagination for large result sets. 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 search_drugs_by_pharmacologic_class: 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.
search_drugs_by_pharmacologic_class 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 search_drugs_by_pharmacologic_class 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 search_drugs_by_pharmacologic_class. 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.
search_drugs_by_pharmacologic_class 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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