actor_move_to_folder
A write tool on the Uefn MCP server.
This record as markdown: /tools/quangdang46-uefn-verse-mcp/actor-move-to-folder.md
What actor_move_to_folder does on Uefn
AI agents use actor_move_to_folder to create or update resources in Uefn, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Uefn environment.
Why actor_move_to_folder is rated Medium
This tool performs a reversible structural modification (moving/reorganizing actors in folders) rather than permanently deleting data or executing arbitrary code. It changes state in the UEFN project but does not destroy assets or execute external operations. The empty description lowers confidence slightly, but the name clearly indicates a write operation that organizes editor content.
From the tool's definition Tool name 'actor_move_to_folder' indicates it modifies the organizational hierarchy of actor objects within the Unreal Editor for Fortnite, relocating them within the project's folder structure.
Attacks that exploit this kind of access
The rule that runs actor_move_to_folder safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Uefn, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For actor_move_to_folder, this is the rule to start with:
actor_move_to_folder 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.
The button opens the PolicyLayer dashboard: create your workspace, connect Uefn, apply this rule, and every actor_move_to_folder call is checked against it from then on.
Questions about actor_move_to_folder
actor_move_to_folder is a write tool on the Uefn MCP server. It is categorised as a Write tool in the Uefn MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Uefn MCP server in PolicyLayer and add a rule for actor_move_to_folder: 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.
actor_move_to_folder is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the actor_move_to_folder 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 actor_move_to_folder. 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.
actor_move_to_folder 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.
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