create_patient · Cliniko MCP Server MCP: Risk & Policy

WHAT IT DOES

What create_patient does on Cliniko MCP Server

AI agents use create_patient to create or update resources in Cliniko MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Cliniko MCP Server environment.

WHY IT NEEDS A POLICY

Why create_patient needs a policy

Creating a patient record in a practice management system is a reversible Write operation—it adds data to the system but can theoretically be undone (unlike deletion). However, severity is high because patient records are sensitive healthcare data with regulatory implications (HIPAA, PIPEDA, GDPR), and malicious patient creation could enable downstream fraudulent invoicing, appointment manipulation, or data…

From the tool's definition Tool name 'create_patient' indicates creation of a new patient record in a healthcare practice management system (Cliniko).

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_patient Rate-limited

create_patient stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "create_patient": {
      "limits": [
        {
          "counter": "create_patient_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Cliniko MCP Server, so you can run agents against it safely.

FAQ

Questions about create_patient

What does the create_patient tool do? +

create_patient. It is categorised as a Write tool in the Cliniko MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create_patient? +

Register the Cliniko MCP Server MCP server in PolicyLayer and add a rule for create_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.

What risk level is create_patient? +

create_patient is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit create_patient? +

Yes. Add a rate_limit block to the create_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.

How do I block create_patient completely? +

Set action: deny in the PolicyLayer policy for create_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.

What MCP server provides create_patient? +

create_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.