AI agents call delete_patient_studies to permanently remove resources in Finch MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
This tool performs an irreversible deletion operation on patient medical studies. Deletion of medical records cannot be undone and represents a permanent loss of data with potential HIPAA/regulatory compliance implications and harm to patient care. This is categorized as Destructive (most severe category applicable) rather than Write, as it is not reversible.
From the tool's definition Tool name 'delete_patient_studies' clearly indicates irreversible deletion of patient medical data. The verb 'delete' is explicitly destructive.
Documented attack patterns abuse exactly the kind of access delete_patient_studies gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Finch MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for delete_patient_studies:
{
"version": "1",
"default": "deny",
"hide": [
"delete_patient_studies"
]
}delete_patient_studies disappears from the agent's tool list entirely, and any attempt to call it is denied. The rest of the server keeps working.
Free to start. No card required.
delete_patient_studies. It is categorised as a Destructive tool in the Finch MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Finch MCP Server MCP server in PolicyLayer and add a rule for delete_patient_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 Finch MCP Server. Nothing to install.
delete_patient_studies 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_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 delete_patient_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.
delete_patient_studies is provided by the Finch MCP Server MCP server (awslabs.finch-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Finch MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
805 Finch MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.