entity_create_polyline

Create a lightweight 2D polyline through the given points.

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-create-polyline.md

WHAT IT DOES

What entity_create_polyline does on AutoCAD MCP Pro

AI agents use entity_create_polyline 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_create_polyline is rated Medium

This tool creates new drawing entities (polylines) in the CAD document, which is a reversible modification. It does not execute arbitrary code, delete data, or trigger financial operations. While creation of CAD entities could have downstream effects if the drawing is published or used in manufacturing/construction, the tool itself is a standard Write operation that adds data to the model.

From the tool's definition Tool name 'entity_create_polyline' and description 'Create a lightweight 2D polyline through the given points' explicitly performs a creation operation that modifies the CAD drawing by adding a new geometric entity.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

entity_create_polyline Rate-limited

entity_create_polyline 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_create_polyline": {
      "limits": [
        {
          "counter": "entity_create_polyline_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_create_polyline call is checked against it from then on.

FAQ

Questions about entity_create_polyline

What does the entity_create_polyline tool do? +

Create a lightweight 2D polyline through the given points. 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_create_polyline? +

Register the AutoCAD MCP Pro MCP server in PolicyLayer and add a rule for entity_create_polyline: 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_create_polyline? +

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

Can I rate-limit entity_create_polyline? +

Yes. Add a rate_limit block to the entity_create_polyline 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_create_polyline completely? +

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

entity_create_polyline 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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