Delete an appointment by ID
AI agents call delete_appointment to permanently remove resources in Dental Clinic Appointments MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
This tool permanently removes appointment records from storage with no ability to undo the action. While the blast radius is limited to a single appointment record (not system-wide or financial), deletion of medical appointment data is irreversible and could disrupt patient care scheduling. This is clearly a destructive operation meeting the definition of the Destructive category.
From the tool's definition Tool is named 'delete_appointment' with description 'Delete an appointment by ID'. The verb 'delete' directly indicates irreversible removal of data.
Attacks that exploit this kind of access
Delete an appointment by ID. It is categorised as a Destructive tool in the Dental Clinic Appointments MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Dental Clinic Appointments MCP Server MCP server in PolicyLayer and add a rule for delete_appointment: 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 Dental Clinic Appointments MCP Server. Nothing to install.
delete_appointment 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_appointment 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_appointment. 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_appointment is provided by the Dental Clinic Appointments MCP Server MCP server (nalmarshedy/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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