list_niagara_scratch_pad_modules
List all scratch pad modules on a Niagara System.
This record as markdown: /tools/aadeshrao123-unreal-mcp/list-niagara-scratch-pad-modules.md
What list_niagara_scratch_pad_modules does on Unreal-MCP
AI agents call list_niagara_scratch_pad_modules 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.
Why list_niagara_scratch_pad_modules is rated Low
This tool retrieves or lists existing Niagara scratch pad modules from a system without creating, modifying, deleting, or executing any operations. It is a read-only query with no side effects and minimal blast radius if misused by an AI agent.
From the tool's definition Tool name 'list_niagara_scratch_pad_modules' and description 'List all scratch pad modules on a Niagara System' indicate a query/enumeration operation that retrieves data without modification or execution.
Attacks that exploit this kind of access
The rule that runs list_niagara_scratch_pad_modules 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 list_niagara_scratch_pad_modules, this is the rule to start with:
list_niagara_scratch_pad_modules is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Unreal-MCP, apply this rule, and every list_niagara_scratch_pad_modules call is checked against it from then on.
Questions about list_niagara_scratch_pad_modules
List all scratch pad modules on a Niagara System. It is categorised as a Read tool in the Unreal-MCP MCP Server, which means it retrieves data without modifying state.
Register the Unreal MCP server in PolicyLayer and add a rule for list_niagara_scratch_pad_modules: 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.
list_niagara_scratch_pad_modules is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the list_niagara_scratch_pad_modules 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.
Set action: deny in the PolicyLayer policy for list_niagara_scratch_pad_modules. 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.
list_niagara_scratch_pad_modules 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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