Retrieve a specific medication request by ID.
AI agents call get_medication_request_by_id to retrieve information from FHIR MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries healthcare data (medication requests) from a FHIR API without side effects. It retrieves and returns existing information based on an ID parameter. There is no modification, deletion, execution, or financial transaction involved. While the data retrieved (medication information) is sensitive in a healthcare context, the tool itself performs a read-only operation.
From the tool's definition Tool name is 'get_medication_request_by_id' and description states 'Retrieve a specific medication request by ID.' The verb 'Retrieve' and the getter pattern indicate data retrieval with no modification, deletion, or execution of commands.
Attacks that exploit this kind of access
Retrieve a specific medication request by ID. It is categorised as a Read tool in the FHIR MCP Server MCP Server, which means it retrieves data without modifying state.
Register the FHIR MCP Server MCP server in PolicyLayer and add a rule for get_medication_request_by_id: 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 FHIR MCP Server. Nothing to install.
get_medication_request_by_id 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_medication_request_by_id 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_medication_request_by_id. 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_medication_request_by_id is provided by the FHIR MCP Server MCP server (sdesani/mcp-fhir). 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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