Retrieves a specific attribute (name, weight, height, race) from the patient
AI agents call get_patient_attribute to retrieve information from Cardiovascular Disease without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a simple read/retrieval operation on patient data without creating, modifying, deleting, or executing any operations. It fetches specific patient attributes for use in cardiovascular risk calculations. The blast radius of misuse is minimal - it only exposes existing patient demographic and anthropometric data that would be needed for legitimate clinical risk assessment.
From the tool's definition Tool description states 'Retrieves a specific attribute (name, weight, height, race) from the patient' - the verb 'Retrieves' indicates a query operation with no data modification or side effects.
Attacks that exploit this kind of access
Retrieves a specific attribute (name, weight, height, race) from the patient. It is categorised as a Read tool in the Cardiovascular Disease MCP Server, which means it retrieves data without modifying state.
Register the Cardiovascular Disease MCP server in PolicyLayer and add a rule for get_patient_attribute: 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 Cardiovascular Disease. Nothing to install.
get_patient_attribute 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_attribute 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_attribute. 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_attribute is provided by the Cardiovascular Disease MCP server (jamesvdinh/cardiovascular-disease-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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