create_niagara_module_asset

A write tool on the Unreal- MCP server.

SERVERUnreal-MCP SOURCEaadeshrao123/unreal-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/aadeshrao123-unreal-mcp/create-niagara-module-asset.md

WHAT IT DOES

What create_niagara_module_asset does on Unreal-MCP

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

RISK

Why create_niagara_module_asset is rated Medium

This tool creates a new asset (Niagara module) in the UE5 editor project. Asset creation is reversible (can be deleted), making it Write category rather than Destructive. Severity is medium because misuse could clutter projects or create unwanted assets, but damage is limited and easily undone. Confidence is reduced due to empty description.

From the tool's definition Tool name 'create_niagara_module_asset' indicates creation of a Niagara VFX module asset within Unreal Engine 5 editor. Description is empty, limiting certainty, but the 'create_' prefix and server context show this modifies project state by adding new assets.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_niagara_module_asset safely

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

create_niagara_module_asset Rate-limited

create_niagara_module_asset 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": {
    "create_niagara_module_asset": {
      "limits": [
        {
          "counter": "create_niagara_module_asset_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 Unreal-MCP, apply this rule, and every create_niagara_module_asset call is checked against it from then on.

FAQ

Questions about create_niagara_module_asset

What does the create_niagara_module_asset tool do? +

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

How do I enforce a policy on create_niagara_module_asset? +

Register the Unreal MCP server in PolicyLayer and add a rule for create_niagara_module_asset: 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 Unreal-MCP. Nothing to install.

What risk level is create_niagara_module_asset? +

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

Can I rate-limit create_niagara_module_asset? +

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

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

create_niagara_module_asset is provided by the Unreal MCP server (aadeshrao123/unreal-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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