linear_pattern

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/linear-pattern.md

WHAT IT DOES

What linear_pattern does on FreeCAD Robust MCP Server

AI agents use linear_pattern 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 linear_pattern is rated Medium

A linear_pattern tool in FreeCAD would create or duplicate objects along a linear axis, which is a reversible modification of the model. This is a Write operation (creates/modifies geometry) rather than Execute (no external command execution implied) or Destructive (patterns can be undone/deleted). Severity is medium because misuse could clutter or corrupt a model, but effects are reversible.

From the tool's definition Tool name 'linear_pattern' suggests creating a repeated geometric pattern in 3D modeling context. Empty description limits certainty.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

linear_pattern Rate-limited

linear_pattern 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": {
    "linear_pattern": {
      "limits": [
        {
          "counter": "linear_pattern_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 linear_pattern call is checked against it from then on.

FAQ

Questions about linear_pattern

What does the linear_pattern tool do? +

linear_pattern 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 linear_pattern? +

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

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

Can I rate-limit linear_pattern? +

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

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

linear_pattern 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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