get_selected_assets

THE RISK

Low Risk

Why get_selected_assets needs a policy

This tool only queries the current selection state in the Unreal Editor's Content Browser without performing any actions, creating, modifying, or deleting data. It is a pure read operation with no side effects.

From the tool's definition Tool name 'get_selected_assets' and description 'Get assets currently selected in the Content Browser' indicate retrieval of current state with no modification.

Documented attack patterns abuse exactly the kind of access get_selected_assets gives an agent:

POLICY

How to control get_selected_assets

PolicyLayer is an MCP gateway — it sits between your AI agents and Uefn, and nothing reaches the server without passing your rules. This is the rule we recommend for get_selected_assets:

policy.json

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

get_selected_assets is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Uefn — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

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All 143 Uefn tools →

Read tools on other servers

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about get_selected_assets

What does the get_selected_assets tool do? +

Get assets currently selected in the Content Browser. It is categorised as a Read tool in the Uefn MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_selected_assets? +

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

What risk level is get_selected_assets? +

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

Can I rate-limit get_selected_assets? +

Yes. Add a rate_limit block to the get_selected_assets 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_selected_assets completely? +

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

get_selected_assets is provided by the Uefn MCP server (quangdang46/uefn-verse-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Uefn tool call.

Start from Uefn, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →