Get hospital formulary item details by drug code.
AI agents call get_formulary_item to retrieve information from Pharmacy MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a straightforward lookup/retrieval of formulary reference data based on a drug code input. It returns information (formulary details) without side effects, reversible modifications, code execution, data deletion, or financial transactions. It is a simple read operation analogous to a database query that retrieves information.
From the tool's definition Tool name 'get_formulary_item' and description 'Get hospital formulary item details by drug code' indicate a retrieval operation that queries a hospital formulary database without modifying data or triggering external actions.
Attacks that exploit this kind of access
Get hospital formulary item details by drug code. It is categorised as a Read tool in the Pharmacy MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Pharmacy MCP Server MCP server in PolicyLayer and add a rule for get_formulary_item: 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 Pharmacy MCP Server. Nothing to install.
get_formulary_item 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_formulary_item 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_formulary_item. 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_formulary_item is provided by the Pharmacy MCP Server MCP server (u9401066/pharmacy-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.
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