describe_niagara_type

A read tool on the Unreal- MCP server.

SERVERUnreal-MCP SOURCEaadeshrao123/unreal-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/aadeshrao123-unreal-mcp/describe-niagara-type.md

WHAT IT DOES

What describe_niagara_type does on Unreal-MCP

AI agents call describe_niagara_type to retrieve information from Unreal-MCP without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why describe_niagara_type is rated Low

The tool name strongly suggests a read-only operation that retrieves or returns information about Niagara VFX types within Unreal Engine 5. 'Describe' operations are interrogative and do not perform writes, deletes, or execute arbitrary code. No side effects are expected.

From the tool's definition Tool name 'describe_niagara_type' indicates a query/inspection operation on Niagara VFX type definitions. The prefix 'describe' typically denotes retrieval of metadata or information without modification. Description is empty, reducing confidence.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

describe_niagara_type Allowed

describe_niagara_type is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "describe_niagara_type": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Unreal-MCP, apply this rule, and every describe_niagara_type call is checked against it from then on.

FAQ

Questions about describe_niagara_type

What does the describe_niagara_type tool do? +

describe_niagara_type is a read tool on the Unreal MCP server. It is categorised as a Read tool in the Unreal-MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on describe_niagara_type? +

Register the Unreal MCP server in PolicyLayer and add a rule for describe_niagara_type: 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 describe_niagara_type? +

describe_niagara_type is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit describe_niagara_type? +

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

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

describe_niagara_type 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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