extrude_shape

A write tool on the FreeCAD Robust MCP server.

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

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/spkane-freecad-addon-robust-mcp-server/extrude-shape.md

WHAT IT DOES

What extrude_shape does on FreeCAD Robust MCP Server

AI agents use extrude_shape to create or update resources in FreeCAD Robust MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your FreeCAD Robust MCP Server environment.

RISK

Why extrude_shape is rated Medium

Extrusion is a reversible 3D modeling operation that creates new geometry or modifies existing models. It does not delete data (not Destructive), does not execute arbitrary code (not Execute), and involves no financial impact. The operation creates or transforms 3D shapes persistently in the FreeCAD document, fitting the Write category.

From the tool's definition Tool name 'extrude_shape' indicates a 3D modeling operation that creates or modifies geometry. FreeCAD context confirms this as part of a 3D design workflow alongside sketch-building tools. Empty description prevents full certainty.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

extrude_shape Rate-limited

extrude_shape 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": {
    "extrude_shape": {
      "limits": [
        {
          "counter": "extrude_shape_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 FreeCAD Robust MCP Server, apply this rule, and every extrude_shape call is checked against it from then on.

FAQ

Questions about extrude_shape

What does the extrude_shape tool do? +

extrude_shape is a write tool on the FreeCAD Robust MCP Server MCP server. It is categorised as a Write tool in the FreeCAD Robust MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on extrude_shape? +

Register the FreeCAD Robust MCP Server MCP server in PolicyLayer and add a rule for extrude_shape: 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 extrude_shape? +

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

Can I rate-limit extrude_shape? +

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

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

extrude_shape 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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