createUILayout

A write tool on the Spline MCP server.

SERVERSpline MCP Server SOURCEaydinfer/spline-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/aydinfer-spline-mcp-server/createuilayout.md

WHAT IT DOES

What createUILayout does on Spline MCP Server

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

RISK

Why createUILayout is rated Medium

This tool creates or adds UI layout structures to a Spline 3D scene, which is a reversible modification of scene data. It does not query (Read), execute arbitrary code (Execute), permanently delete (Destructive), or move money (Financial). The empty description reduces confidence slightly, but the naming pattern and context of sibling tools strongly indicate Write category behavior.

From the tool's definition Tool name 'createUILayout' indicates creation of UI layout objects. Sibling tools include 'addObjectToUILayout' and other 'add*' operations that modify the 3D scene state. The 'create' verb suggests reversible data creation rather than query or deletion.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs createUILayout safely

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

createUILayout Rate-limited

createUILayout 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": {
    "createUILayout": {
      "limits": [
        {
          "counter": "createuilayout_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 Spline MCP Server, apply this rule, and every createUILayout call is checked against it from then on.

FAQ

Questions about createUILayout

What does the createUILayout tool do? +

createUILayout is a write tool on the Spline MCP Server MCP server. It is categorised as a Write tool in the Spline 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 createUILayout? +

Register the Spline MCP Server MCP server in PolicyLayer and add a rule for createUILayout: 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 Spline MCP Server. Nothing to install.

What risk level is createUILayout? +

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

Can I rate-limit createUILayout? +

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

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

createUILayout is provided by the Spline MCP Server MCP server (aydinfer/spline-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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