AI agents call search_assets_recursively to retrieve information from Unreal without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool searches through assets—likely returning a list or hierarchy of matching assets without creating, modifying, deleting, or executing code. Search operations are inherently read-only. The empty description lowers confidence slightly, but the clear naming convention and server context (scene inspection and object manipulation, not deletion or execution) support a Read classification.
From the tool's definition Tool name 'search_assets_recursively' indicates a recursive search/query operation. The name contains 'search', which is a retrieval operation with no side effects.
Documented attack patterns abuse exactly the kind of access search_assets_recursively gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Unreal, and nothing reaches the server without passing your rules. This is the rule we recommend for search_assets_recursively:
{
"version": "1",
"default": "deny",
"tools": {
"search_assets_recursively": {}
}
}search_assets_recursively is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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search_assets_recursively. It is categorised as a Read tool in the Unreal MCP Server, which means it retrieves data without modifying state.
Register the Unreal MCP server in PolicyLayer and add a rule for search_assets_recursively: 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. Nothing to install.
search_assets_recursively 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 search_assets_recursively 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 search_assets_recursively. 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.
search_assets_recursively is provided by the Unreal MCP server (runeape-sats/unreal-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 21 Unreal tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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21 Unreal tools catalogued and risk-classified — across an index of 42,500+ MCP servers.