draft_shapestring

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/draft-shapestring.md

WHAT IT DOES

What draft_shapestring does on FreeCAD Robust MCP Server

AI agents use draft_shapestring 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 draft_shapestring is rated Medium

FreeCAD geometry creation tools modify the document model by adding new shapes or geometry elements. This is reversible (objects can be deleted, undo is available), so it classifies as Write rather than Destructive or Execute. However, description is empty, reducing confidence.

From the tool's definition Tool name 'draft_shapestring' indicates shape/geometry creation in FreeCAD's Draft workbench. Sibling tools like 'add_sketch_arc', 'add_sketch_circle', 'add_sketch_line' all create or modify 2D/3D geometry.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

draft_shapestring Rate-limited

draft_shapestring 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": {
    "draft_shapestring": {
      "limits": [
        {
          "counter": "draft_shapestring_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 draft_shapestring call is checked against it from then on.

FAQ

Questions about draft_shapestring

What does the draft_shapestring tool do? +

draft_shapestring 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 draft_shapestring? +

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

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

Can I rate-limit draft_shapestring? +

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

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

draft_shapestring 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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