KirChuvakov

KirChuvakov / uefn-mcp-server

Public

MCP server for controlling UEFN (Unreal Editor for Fortnite) from Claude Code — 22 tools for actors, assets, levels, viewport, and Python execution

11
0
100% credibility
Found Mar 20, 2026 at 11 stars -- GitGems finds repos before they trend. Get early access to the next one.
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AI Analysis
Python
AI Summary

A tool that connects an AI coding assistant to Unreal Editor for Fortnite, allowing natural language control over actors, assets, levels, and the viewport.

How It Works

1
🔍 Find the Fortnite AI Helper

While searching for ways to speed up building Fortnite maps, you discover this tool that lets an AI chat assistant control the editor for you.

2
🎮 Open Your Map Project

Launch the Unreal Editor for Fortnite and open the map project you want to work on.

3
⚙️ Turn On Script Support

In the project settings, check the box to enable script helpers so the editor can listen for instructions.

4
▶️ Run the Editor Listener

From the tools menu, load the listener file, and a status window appears showing it's ready and waiting.

5
🔗 Link Your AI Assistant

Tell your AI coding chat app where to find the helper files so it can connect to the editor.

6
🔄 Restart the AI Chat

Close and reopen your AI chat tool, and it now sees the editor connection is live.

7
💬 Command Your Map to Life

Chat with the AI like 'list all objects' or 'add a cube here' and see changes happen instantly in the editor.

🚀 AI Builds Your Fortnite Map

Your map assembles itself through simple conversations, turning ideas into reality without tedious clicking.

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Star Growth

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AI-Generated Review

What is uefn-mcp-server?

This Python MCP server lets you control UEFN (Unreal Editor for Fortnite) directly from Claude Code using the Model Context Protocol. It exposes 28 tools for managing actors, assets, levels, viewport camera, project info, and even arbitrary Python execution inside the editor—no C++ recompiles needed. Developers get an HTTP bridge that turns natural language prompts like "spawn a cube at 100,200,300" into real editor actions.

Why is it gaining traction?

Unlike manual UEFN Python scripting, it integrates seamlessly with Claude Code for AI-driven workflows, auto-discovering ports and providing a live status window with metrics. The arbitrary Python tool unlocks the full unreal API, while structured tools handle common tasks like listing actors or saving levels. It's pure Python, version-agnostic, and main-thread safe, making it a quick win over clunky editor plugins.

Who should use this?

UEFN map creators prototyping Fortnite islands who want AI assistance spawning actors or tweaking assets. Python scripters in UEFN tired of console juggling, especially those pairing it with mcp github copilot vscode setups. Early adopters experimenting with mcp server ai for automated level building.

Verdict

Worth a spin for UEFN tinkerers—solid docs, tools reference, and setup tutorial make it approachable despite 11 stars and 1.0% credibility score. Still early and niche; test in a throwaway project before production reliance.

(198 words)

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