get_niagara_event_handlers

Get all event handlers configured on an emitter.

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/get-niagara-event-handlers.md

WHAT IT DOES

What get_niagara_event_handlers does on Unreal-MCP

AI agents call get_niagara_event_handlers 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 get_niagara_event_handlers is rated Low

This tool queries existing event handler configuration on a Niagara emitter within Unreal Engine. It performs a read-only operation to retrieve state information, with no capability to modify, delete, or execute code. The worst case misuse would be information disclosure about emitter configuration, which has minimal impact in a game development context.

From the tool's definition Tool name contains 'get_' prefix and description states 'Get all event handlers configured on an emitter' — retrieves configuration data without modification.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

get_niagara_event_handlers Allowed

get_niagara_event_handlers 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": {
    "get_niagara_event_handlers": {}
  }
}

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 get_niagara_event_handlers call is checked against it from then on.

FAQ

Questions about get_niagara_event_handlers

What does the get_niagara_event_handlers tool do? +

Get all event handlers configured on an emitter. 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 get_niagara_event_handlers? +

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

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

Can I rate-limit get_niagara_event_handlers? +

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

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

get_niagara_event_handlers 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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