RescheduleAppointment · MCP Appointment Booking Server MCP

WHAT IT DOES

What RescheduleAppointment does on MCP Appointment Booking Server

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

WHY IT NEEDS A POLICY

Why RescheduleAppointment needs a policy

Rescheduling updates an existing appointment record to a new time slot. This is a Write operation (modifying data reversibly), not Destructive since the appointment still exists. Misuse could cause scheduling conflicts or missed appointments, hence medium severity.

From the tool's definition 'Reschedule an appointment by ID' — modifies an existing appointment's time/date, which is a reversible update operation

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

RescheduleAppointment Rate-limited

RescheduleAppointment 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": {
    "RescheduleAppointment": {
      "limits": [
        {
          "counter": "rescheduleappointment_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 MCP Appointment Booking Server, so you can run agents against it safely.

FAQ

Questions about RescheduleAppointment

What does the RescheduleAppointment tool do? +

Reschedule an appointment by ID. It is categorised as a Write tool in the MCP Appointment Booking 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 RescheduleAppointment? +

Register the MCP Appointment Booking Server MCP server in PolicyLayer and add a rule for RescheduleAppointment: 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 MCP Appointment Booking Server. Nothing to install.

What risk level is RescheduleAppointment? +

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

Can I rate-limit RescheduleAppointment? +

Yes. Add a rate_limit block to the RescheduleAppointment 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 RescheduleAppointment completely? +

Set action: deny in the PolicyLayer policy for RescheduleAppointment. 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 RescheduleAppointment? +

RescheduleAppointment is provided by the MCP Appointment Booking Server MCP server (manish-awase/mcp-appointment-booking-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.