create_reservation · MCP Seat Reservation Server MCP

WHAT IT DOES

What create_reservation does on MCP Seat Reservation Server

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

WHY IT NEEDS A POLICY

Why create_reservation needs a policy

Creating a reservation is a write operation that adds a new record to the system. It is reversible (can be canceled via cancel_reservation), so it does not qualify as Destructive. It does not execute arbitrary code or commands (Execute), move money (Financial), or merely retrieve data (Read).

From the tool's definition Tool is named 'create_reservation' and described as 'Create a new seat reservation', which creates a new data record in the reservation system.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_reservation Rate-limited

create_reservation 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_reservation": {
      "limits": [
        {
          "counter": "create_reservation_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 Seat Reservation Server, so you can run agents against it safely.

FAQ

Questions about create_reservation

What does the create_reservation tool do? +

Create a new seat reservation. It is categorised as a Write tool in the MCP Seat Reservation 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_reservation? +

Register the MCP Seat Reservation Server MCP server in PolicyLayer and add a rule for create_reservation: 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 Seat Reservation Server. Nothing to install.

What risk level is create_reservation? +

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

Can I rate-limit create_reservation? +

Yes. Add a rate_limit block to the create_reservation 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_reservation completely? +

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

create_reservation is provided by the MCP Seat Reservation Server MCP server (nomura565/claude-chat-app-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.