Create one or more point-based elements in Revit such as doors, windows, or furniture. Supports batch creation with detailed parameters including family type ID, position, dimensions, and level information. All units are in millimeters (mm).
AI agents use create_point_based_element to create or update resources in Revit — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Revit environment.
This tool creates new BIM objects (doors, windows, furniture) in a Revit model, which is a reversible data modification operation. It falls under Write rather than Execute because it is a direct data creation API rather than arbitrary code execution. While it modifies project state, the effects are contained to element creation and can be undone via normal Revit undo mechanisms.
From the tool's definition Tool performs 'Create one or more point-based elements in Revit such as doors, windows, or furniture' and 'Supports batch creation with detailed parameters.' The verb 'Create' and capability to generate new model elements indicates a Write operation that…
Attacks that exploit this kind of access
Create one or more point-based elements in Revit such as doors, windows, or furniture. Supports batch creation with detailed parameters including family type ID, position, dimensions, and level information. All units are in millimeters (mm). It is categorised as a Write tool in the Revit MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Revit MCP server in PolicyLayer and add a rule for create_point_based_element: 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. Nothing to install.
create_point_based_element is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the create_point_based_element 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.
Set action: deny in the PolicyLayer policy for create_point_based_element. 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.
create_point_based_element is provided by the Revit MCP server (mohamed-elnahla/revit-mcp-github-copilot). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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