Critical Risk →

demo

Neon Shrine demo scene builder and cleanup. Actions: - step: Execute demo step. Params: stepIndex? - cleanup: Remove demo assets and actors. Switches editor to /Game/MCP_Home before deleting so the editor is never left on an Untitled map. - go_home: Switch the editor to /Game/MCP_Home (creating i...

Part of the Ue server.

demo can permanently delete data in Ue, with no limits today. PolicyLayer puts allow, deny, and rate-limit rules on every call. Live in minutes.

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Free to start. No card required.

AI agents may call demo to permanently remove or destroy resources in Ue. Without a policy, an autonomous agent could delete critical data in a loop with no way to undo the damage. PolicyLayer blocks destructive tools by default and requires explicit human approval before enabling them.

Without a policy, an AI agent could call demo in a loop, permanently destroying resources in Ue. There is no undo for destructive operations. PolicyLayer blocks this tool by default and only allows it when a human explicitly approves the action.

Destructive tools permanently remove data. Block by default. Only enable with explicit approval workflows.

policy.json
{
  "version": "1",
  "default": "deny",
  "hide": [
    "demo"
  ]
}

See the full Ue policy for all 22 tools.

Get this rule live on your own Ue server in minutes. PolicyLayer enforces it on every call, before it runs.

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These attack patterns abuse exactly the kind of access demo gives an agent. Each links to the full case and the policy that stops it:

Browse the full MCP Attack Database →

Every attack above starts with a tool call. PolicyLayer checks each one against your policy first, so demo only ever does what you allow.

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Other destructive tools across the catalogue. The same approach applies to each: deny by default, or require human approval.

What does the demo tool do? +

Neon Shrine demo scene builder and cleanup. Actions: - step: Execute demo step. Params: stepIndex? - cleanup: Remove demo assets and actors. Switches editor to /Game/MCP_Home before deleting so the editor is never left on an Untitled map. - go_home: Switch the editor to /Game/MCP_Home (creating it on first use). Use this before any operation that would leave the editor on an Untitled map.. It is categorised as a Destructive tool in the Ue MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on demo? +

Register the Ue MCP server in PolicyLayer and add a rule for demo: 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 Ue. Nothing to install.

What risk level is demo? +

demo is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit demo? +

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

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

demo is provided by the Ue MCP server (ue-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Ue tool call.

Deterministic rules across all 22 Ue tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

Free to start. No card required.

4,600+ MCP servers and 31,000+ tools scanned and risk-classified.

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