Get comprehensive patient information from a single FHIR server
AI agents call get_comprehensive_patient_info to retrieve information from FHIR Careplan without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves patient health information from a FHIR server without side effects. It is a Read operation. Severity is medium rather than low because FHIR servers contain Protected Health Information (PHI) subject to regulatory constraints (HIPAA, GDPR); unauthorized access or misuse by an AI agent could expose sensitive medical records, though the tool itself performs no destructive or harmful action.
From the tool's definition Tool name 'get_comprehensive_patient_info' and description 'Get comprehensive patient information from a single FHIR server' indicate data retrieval with no modification.
Attacks that exploit this kind of access
Get comprehensive patient information from a single FHIR server. It is categorised as a Read tool in the FHIR Careplan MCP Server, which means it retrieves data without modifying state.
Register the FHIR Careplan MCP server in PolicyLayer and add a rule for get_comprehensive_patient_info: 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 Careplan. Nothing to install.
get_comprehensive_patient_info 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_comprehensive_patient_info 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_comprehensive_patient_info. 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_comprehensive_patient_info is provided by the FHIR Careplan MCP server (kushagra-dutta/fhir-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.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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