delete_patient
AI agents call delete_patient to permanently remove resources in Cliniko MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
The 'delete_patient' operation irreversibly removes patient data from a practice management system. This is a destructive action that cannot be undone and has severe implications in a healthcare context—loss of patient records could violate data retention requirements, disrupt care continuity, and cause operational harm.
From the tool's definition Tool named 'delete_patient' with no description provided. The name explicitly indicates permanent deletion of patient records, which is an irreversible operation.
Attacks that exploit this kind of access
delete_patient. It is categorised as a Destructive tool in the Cliniko MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Cliniko MCP Server MCP server in PolicyLayer and add a rule for delete_patient: 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 Cliniko MCP Server. Nothing to install.
delete_patient is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the delete_patient 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 delete_patient. 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.
delete_patient is provided by the Cliniko MCP Server MCP server (yasboop/new-cliniko-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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