arch_grid

A write tool on the AutoCAD MCP Pro MCP server.

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/arch-grid.md

WHAT IT DOES

What arch_grid does on AutoCAD MCP Pro

AI agents use arch_grid 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 arch_grid is rated Medium

Likely creates or modifies CAD entities; empty description reduces confidence but context suggests data modification capability.

From the tool's definition uninformative description; arch_grid suggests architectural grid creation/modification.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

arch_grid Rate-limited

arch_grid 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": {
    "arch_grid": {
      "limits": [
        {
          "counter": "arch_grid_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 arch_grid call is checked against it from then on.

FAQ

Questions about arch_grid

What does the arch_grid tool do? +

arch_grid is a write tool on the AutoCAD MCP Pro MCP server. 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 arch_grid? +

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

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

Can I rate-limit arch_grid? +

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

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

arch_grid 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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