create_lease · Buildium MCP Server MCP: Risk & Policy

WHAT IT DOES

What create_lease does on Buildium MCP Server

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

WHY IT NEEDS A POLICY

Why create_lease needs a policy

This tool creates new lease records, which are reversible via update/delete operations (assuming such tools exist on the server), placing it in the Write category rather than Destructive. However, the severity is high because lease creation commits significant financial and legal obligations—incorrect lease terms could expose the property manager or landlord to disputes, compliance violations, and revenue loss.

From the tool's definition Tool name: 'create_lease'; description: 'Create a new lease.' The verb 'create' indicates data creation. Lease creation in property management software creates binding contractual records that affect tenant-landlord relationships, rent obligations, and…

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_lease Rate-limited

create_lease 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_lease": {
      "limits": [
        {
          "counter": "create_lease_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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Instant setup, no code required.

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

FAQ

Questions about create_lease

What does the create_lease tool do? +

Create a new lease. It is categorised as a Write tool in the Buildium 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_lease? +

Register the Buildium MCP Server MCP server in PolicyLayer and add a rule for create_lease: 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 Buildium MCP Server. Nothing to install.

What risk level is create_lease? +

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

Can I rate-limit create_lease? +

Yes. Add a rate_limit block to the create_lease 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_lease completely? +

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

create_lease is provided by the Buildium MCP Server MCP server (luthersystems/mcp-server-buildium). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.