viewport_list

A read tool on the AutoCAD MCP Pro MCP server.

SERVERAutoCAD MCP Pro SOURCEu-c4n/autocad-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/u-c4n-autocad-mcp/viewport-list.md

WHAT IT DOES

What viewport_list does on AutoCAD MCP Pro

AI agents call viewport_list to retrieve information from AutoCAD MCP Pro without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why viewport_list is rated Low

Tool likely lists viewport configurations without modifying or executing external operations.

From the tool's definition uninformative description; viewport_list suggests enumeration of viewport objects.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

viewport_list Allowed

viewport_list is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "viewport_list": {}
  }
}

ALLOW ONLY 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 viewport_list call is checked against it from then on.

FAQ

Questions about viewport_list

What does the viewport_list tool do? +

viewport_list is a read tool on the AutoCAD MCP Pro MCP server. It is categorised as a Read tool in the AutoCAD MCP Pro MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on viewport_list? +

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

viewport_list is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit viewport_list? +

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

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

viewport_list 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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