attach_xref

What attach_xref does on Pypi:best Cad

AI agents use attach_xref to create or update resources in Pypi:best Cad, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Pypi:best Cad environment.

Why attach_xref is rated Medium

This tool modifies the current drawing by attaching an external reference, which is a reversible operation. The drawing's structure changes as a new xref is added, but this can be detached/undone. It does not delete data (thus not Destructive), does not execute arbitrary code (thus not Execute), and does not involve financial transactions. It is a Write operation that creates/modifies drawing content.

From the tool's definition Tool name 'attach_xref' and description '附加外部参照 (Xref)：将另一个 DWG 文件链接到当前图纸' (Attach external reference/Xref: link another DWG file to the current drawing) indicates creation of a reference link within the CAD drawing.

The rule that runs attach_xref safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Pypi:best Cad, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For attach_xref, this is the rule to start with:

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

Questions about attach_xref