draw_spline

绘制样条曲线（通过拟合点的光滑曲线）。

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/draw-spline.md

WHAT IT DOES

What draw_spline does on Pypi:best Cad

AI agents use draw_spline 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 draw_spline is rated Medium

The tool creates new CAD geometry (a spline curve) which modifies the drawing by adding reversible content. This is a Write operation—data is created and persists in the drawing, but the action is reversible (the spline can be deleted or edited). Severity is medium because misuse could clutter or corrupt a design, but the effect is not destructive and is easily undone.

From the tool's definition Tool name 'draw_spline' and description indicate creation of a spline curve ('绘制样条曲线' = 'draw spline curve'). This is a CAD drawing operation that creates and adds new geometric entities to the design document.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

draw_spline Rate-limited

draw_spline 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": {
    "draw_spline": {
      "limits": [
        {
          "counter": "draw_spline_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 draw_spline call is checked against it from then on.

FAQ

Questions about draw_spline

What does the draw_spline tool do? +

绘制样条曲线（通过拟合点的光滑曲线）。. 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 draw_spline? +

Register the Pypi:best Cad MCP server in PolicyLayer and add a rule for draw_spline: 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 draw_spline? +

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

Can I rate-limit draw_spline? +

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

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

draw_spline 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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