entity_copy

Copy an entity and move the copy by (dx, dy, dz). Returns info of the new copy.

SERVERAutoCAD MCP Pro SOURCEu-c4n/autocad-mcp

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/u-c4n-autocad-mcp/entity-copy.md

WHAT IT DOES

What entity_copy does on AutoCAD MCP Pro

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

RISK

Why entity_copy is rated Medium

The tool creates a new CAD entity (a copy) and repositions it, which modifies the drawing state reversibly. While the operation does alter the document, it does not delete, destroy, or irreversibly overwrite data (Destructive), nor does it execute arbitrary code or external commands (Execute). It is therefore a Write operation.

From the tool's definition Tool description states 'Copy an entity and move the copy by (dx, dy, dz). Returns info of the new copy.' This creates new geometry in the drawing without deleting or overwriting existing data, making it a reversible modification operation.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs entity_copy safely

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

entity_copy Rate-limited

entity_copy 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": {
    "entity_copy": {
      "limits": [
        {
          "counter": "entity_copy_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 AutoCAD MCP Pro, apply this rule, and every entity_copy call is checked against it from then on.

FAQ

Questions about entity_copy

What does the entity_copy tool do? +

Copy an entity and move the copy by (dx, dy, dz). Returns info of the new copy. It is categorised as a Write tool in the AutoCAD MCP Pro MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on entity_copy? +

Register the AutoCAD MCP Pro MCP server in PolicyLayer and add a rule for entity_copy: 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 AutoCAD MCP Pro. Nothing to install.

What risk level is entity_copy? +

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

Can I rate-limit entity_copy? +

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

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

entity_copy is provided by the AutoCAD MCP Pro MCP server (u-c4n/autocad-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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