list_levels

Get a list of all levels in the current Revit model

SERVERRevit MCP Server SOURCEdemolinator/revit-mcp-server

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/demolinator-revit-mcp-server/list-levels.md

WHAT IT DOES

What list_levels does on Revit MCP Server

AI agents call list_levels to retrieve information from Revit MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why list_levels is rated Low

This tool only queries and returns information about existing levels in a Revit model. It performs no creation, modification, deletion, execution, or financial operations. It is a straightforward read-only data retrieval operation with minimal security risk if misused by an agent.

From the tool's definition Tool name 'list_levels' and description 'Get a list of all levels in the current Revit model' clearly indicate a retrieval operation with no data modification or side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs list_levels 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 list_levels, this is the rule to start with:

list_levels Allowed

list_levels is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "list_levels": {}
  }
}

ALLOW ONLY 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 list_levels call is checked against it from then on.

FAQ

Questions about list_levels

What does the list_levels tool do? +

Get a list of all levels in the current Revit model. It is categorised as a Read tool in the Revit MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_levels? +

Register the Revit MCP Server MCP server in PolicyLayer and add a rule for list_levels: 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 list_levels? +

list_levels is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit list_levels? +

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

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

list_levels 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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