undo_if_invalid

A other tool on the FreeCAD Robust MCP server.

SERVERFreeCAD Robust MCP Server SOURCEspkane/freecad-addon-robust-mcp-server

Low RISK CLASS

Category Other

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/spkane-freecad-addon-robust-mcp-server/undo-if-invalid.md

WHAT IT DOES

What undo_if_invalid does on FreeCAD Robust MCP Server

AI agents call undo_if_invalid as a supporting operation in FreeCAD Robust MCP Server workflows.

RISK

Why undo_if_invalid is rated Low

The name suggests it conditionally undoes an action if something is invalid, which could be a Write or Execute reversal operation, but the description is empty. Given the context of FreeCAD 3D modeling, this likely reverts a modeling operation under certain conditions. However, with no description, confidence is very low.

From the tool's definition Tool name 'undo_if_invalid' and empty description provide minimal information.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs undo_if_invalid safely

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

undo_if_invalid Rate-limited

undo_if_invalid gets a rate cap, and everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "undo_if_invalid": {
      "limits": [
        {
          "counter": "undo_if_invalid_rate",
          "window": "minute",
          "max": 60,
          "scope": "grant"
        }
      ]
    }
  }
}

SET A RULE FOR THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect FreeCAD Robust MCP Server, apply this rule, and every undo_if_invalid call is checked against it from then on.

FAQ

Questions about undo_if_invalid

What does the undo_if_invalid tool do? +

undo_if_invalid is a other tool on the FreeCAD Robust MCP Server MCP server. It is categorised as a Other tool in the FreeCAD Robust MCP Server MCP Server, which means it performs auxiliary operations.

How do I enforce a policy on undo_if_invalid? +

Register the FreeCAD Robust MCP Server MCP server in PolicyLayer and add a rule for undo_if_invalid: 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 FreeCAD Robust MCP Server. Nothing to install.

What risk level is undo_if_invalid? +

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

Can I rate-limit undo_if_invalid? +

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

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

undo_if_invalid is provided by the FreeCAD Robust MCP Server MCP server (spkane/freecad-addon-robust-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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