end_undo_group

End an AutoCAD undo group.

SERVERPypi:best Cad SOURCEpypi:best-cad-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/io-github-lokmenower-best-cad-mcp/end-undo-group.md

WHAT IT DOES

What end_undo_group does on Pypi:best Cad

AI agents use end_undo_group 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.

RISK

Why end_undo_group is rated Medium

This tool modifies AutoCAD's undo stack state, making it a Write operation—it alters the drawing document's internal state reversibly. It is not Destructive (no permanent deletion), not Execute (no code execution or external operations), and not Financial.

From the tool's definition Tool ends an undo group in AutoCAD. Based on context from sibling tools (add_hatch, add_hyperlink, add_leader, add_*_dimension), this server manages CAD drawings.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

end_undo_group Rate-limited

end_undo_group 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": {
    "end_undo_group": {
      "limits": [
        {
          "counter": "end_undo_group_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 Pypi:best Cad, apply this rule, and every end_undo_group call is checked against it from then on.

FAQ

Questions about end_undo_group

What does the end_undo_group tool do? +

End an AutoCAD undo group. It is categorised as a Write tool in the Pypi:best Cad MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on end_undo_group? +

Register the Pypi:best Cad MCP server in PolicyLayer and add a rule for end_undo_group: 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 Pypi:best Cad. Nothing to install.

What risk level is end_undo_group? +

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

Can I rate-limit end_undo_group? +

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

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

end_undo_group is provided by the Pypi:best Cad MCP server (pypi:best-cad-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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