create_level

A write tool on the Revit MCP server.

SERVERRevit MCP Server SOURCEdemolinator/revit-mcp-server

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/demolinator-revit-mcp-server/create-level.md

WHAT IT DOES

What create_level does on Revit MCP Server

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

RISK

Why create_level is rated Medium

Creating a level in Revit adds a new architectural element to the building model, which is reversible (can be deleted). This is a Write operation—it modifies the model state but does not irreversibly destroy data or execute arbitrary code. Severity is medium because incorrect level creation could corrupt the model structure or require rework, but the impact is limited to a single element and reversible.

From the tool's definition Tool name 'create_level' indicates creation of a new level/story in a Revit building model. Sibling tools like 'create_duct', 'create_grid', and 'create_detail_line' are all Write operations that create model elements.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_level safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Revit MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For create_level, this is the rule to start with:

create_level Rate-limited

create_level 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_level": {
      "limits": [
        {
          "counter": "create_level_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Revit MCP Server, apply this rule, and every create_level call is checked against it from then on.

FAQ

Questions about create_level

What does the create_level tool do? +

create_level is a write tool on the Revit MCP Server MCP server. It is categorised as a Write tool in the Revit 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_level? +

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

What risk level is create_level? +

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

Can I rate-limit create_level? +

Yes. Add a rate_limit block to the create_level 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_level completely? +

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

create_level is provided by the Revit MCP Server MCP server (demolinator/revit-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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