dimension_angular

THE RISK

Medium Risk

Why dimension_angular needs a policy

The tool creates and adds a new dimension object to the drawing, which is a reversible write operation (dimensions can be deleted). It does not execute arbitrary code, delete data, or move finances. While it modifies the drawing state, the modification is non-destructive and can be undone.

From the tool's definition Tool description states 'Create an angular dimension' — the verb 'Create' indicates irreversible addition of a new dimension entity to the CAD drawing. This modifies the drawing geometry and annotation layer.

Documented attack patterns abuse exactly the kind of access dimension_angular gives an agent:

POLICY

How to control dimension_angular

PolicyLayer is an MCP gateway — it sits between your AI agents and AutoCAD MCP Pro, and nothing reaches the server without passing your rules. This is the rule we recommend for dimension_angular:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "dimension_angular": {
      "limits": [
        {
          "counter": "dimension_angular_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

dimension_angular 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.

Create a free account and register AutoCAD MCP Pro — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

LIMIT THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

More AutoCAD MCP Pro tools

Destructive construction_clear Delete every entity on the CONSTRUCTION layer. Idempotent. Destructive drawing_purge Purge all unused objects (layers, blocks, linetypes, styles) from the drawing. Destructive entity_delete Permanently delete an entity by its handle. Destructive entity_delete_many Delete multiple entities in one call. Returns count of deleted entities. Destructive layer_delete layer_delete Destructive block_explode block_explode Execute drawing_audit Run an integrity audit on the drawing to detect and fix errors. Execute system_run_command system_run_command

All 108 AutoCAD MCP Pro tools →

Write tools on other servers

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Argument validation → Checking tool call arguments against schema and policy before they run.
Scoped token → Per-person credentials that grant a defined subset of servers and tools.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about dimension_angular

What does the dimension_angular tool do? +

Create an angular dimension measuring the angle between two lines from a vertex. 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 dimension_angular? +

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

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

Can I rate-limit dimension_angular? +

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

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

dimension_angular 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.

Enforce policy on every AutoCAD MCP Pro tool call.

Start from AutoCAD MCP Pro, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →