get_patient_dicomweb_studies
AI agents call get_patient_dicomweb_studies to retrieve information from AWS IoT SiteWise MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool retrieves medical imaging data (DICOM studies), which is sensitive personal health information (PHI). While classified as Read (no data modification), the severity is high because unauthorized access to patient medical imaging could enable privacy violations, unauthorized disclosure of health records, or misuse of sensitive diagnostic information.
From the tool's definition Tool name 'get_patient_dicomweb_studies' indicates retrieval of DICOM medical imaging studies for a patient using the DICOMweb standard. The 'get_' prefix and absence of modification keywords suggest a read operation.
Attacks that exploit this kind of access
get_patient_dicomweb_studies. It is categorised as a Read tool in the AWS IoT SiteWise MCP Server MCP Server, which means it retrieves data without modifying state.
Register the AWS IoT SiteWise MCP Server MCP server in PolicyLayer and add a rule for get_patient_dicomweb_studies: 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 AWS IoT SiteWise MCP Server. Nothing to install.
get_patient_dicomweb_studies 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_patient_dicomweb_studies 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_patient_dicomweb_studies. 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_patient_dicomweb_studies is provided by the AWS IoT SiteWise MCP Server MCP server (awslabs.aws-iot-sitewise-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.