view_zoom_extents

THE RISK

High Risk

Why view_zoom_extents needs a policy

This tool triggers an active AutoCAD view manipulation command (zoom extents) rather than simply reading data. It causes a real-time state change in the application's viewport. No data is created, modified, or destroyed, but it executes an external operation in the CAD environment. Severity is low as it only affects the display/view state and has no impact on drawing data.

From the tool's definition 'Zoom to show all entities in the drawing (fit drawing in viewport)' — triggers a viewport/display operation in AutoCAD via COM

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

POLICY

How to control view_zoom_extents

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 view_zoom_extents:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "view_zoom_extents": {
      "limits": [
        {
          "counter": "view_zoom_extents_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

view_zoom_extents stays usable, but rate-capped — a runaway agent can't fire it dozens of times 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.

RATE-LIMIT THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

High-risk tools in AutoCAD MCP Pro → Every high-risk tool this server exposes, in one view.
All high-risk MCP tools → Every high-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Agent sandbox → Bounding what an agent can execute and where the boundary should sit.
Least privilege for MCP → Granting agents the minimum tool surface the task needs.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about view_zoom_extents

What does the view_zoom_extents tool do? +

Zoom to show all entities in the drawing (fit drawing in viewport). It is categorised as a Execute tool in the AutoCAD MCP Pro MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on view_zoom_extents? +

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

view_zoom_extents is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit view_zoom_extents? +

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

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

view_zoom_extents 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 →