connect_niagara_pins

Wire one node's output pin to another node's input pin inside a scratch pad graph.

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/connect-niagara-pins.md

WHAT IT DOES

What connect_niagara_pins does on Unreal-MCP

AI agents use connect_niagara_pins 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 connect_niagara_pins is rated Medium

This tool creates a connection (wire) between two nodes in a Niagara scratch pad graph. It modifies the graph structure by adding a link, which is a reversible write operation. No code is executed, no data is deleted, and no financial transactions are involved.

From the tool's definition Wire one node's output pin to another node's input pin inside a scratch pad graph

Attacks that exploit this kind of access

RECOMMENDED RULE

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

connect_niagara_pins Rate-limited

connect_niagara_pins 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": {
    "connect_niagara_pins": {
      "limits": [
        {
          "counter": "connect_niagara_pins_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 connect_niagara_pins call is checked against it from then on.

FAQ

Questions about connect_niagara_pins

What does the connect_niagara_pins tool do? +

Wire one node's output pin to another node's input pin inside a scratch pad graph. 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 connect_niagara_pins? +

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

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

Can I rate-limit connect_niagara_pins? +

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

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

connect_niagara_pins 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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