Unreal Blender MCP Server

Unreal-Blender MCP is a unified server for controlling both Blender and Unreal Engine via AI agents using the MCP (Machine Control Protocol) approach.

Local serverstdioPython

What is the Unreal Blender MCP MCP server?

Connect Unreal Blender MCP to Claude, Cursor or any other MCP client and it stops being a tab you switch to. Unreal-Blender MCP is a unified server for controlling both Blender and Unreal Engine via AI agents using the MCP (Machine Control Protocol) approach. The unreal blender mcp mcp server is what makes that connection.

What the server does

This project extends the blender-mcp framework to include support for Unreal Engine, allowing AI agents like Claude and ChatGPT to simultaneously control both platforms through a single interface.

  • Unified Control — Single MCP server to control both Blender and Unreal Engine
  • AI Agent Integration — Designed to work with Claude, ChatGPT, and other AI assistants
  • Blender Features — Retains all blender-mcp functionality including:
  • Scene manipulation
  • Object creation and editing
  • Material management

Available tools

The toolset is worth reading before you wire it up, because it tells you what the integration is really for:

  • Prerequisites — The Prerequisites tool exposed by this server
  • Troubleshooting — 1. Check that all servers are running (MCP, Blender, Unreal) 2. Verify port configurations match (default: 8000 for MCP, 8400/8401 for Blender, 8500

Credentials and setup notes

  • Python 3.10 or later - Blender 3.0 or later - Unreal Engine 5.0 or later - uv package manager (install with pip install uv if you don't have it)

Installation

The server ships on PyPI as unreal-blender-mcp, so your MCP client can launch it on demand — there is no separate build step. Add the server block to your client's configuration, restart it, and the tools register themselves.

Where it fits

Plenty of developer tooling servers cover similar ground. The differences that matter in practice are scope of access and how much setup stands between you and a working tool call. Unreal Blender MCP's toolset — Prerequisites, Troubleshooting — is a fair guide to whether it matches your workflow. It is maintained by tahooki; worth a glance at recent repository activity before you build anything load-bearing on it.

We check each listing at SyncDev against the project's documentation before it goes live — if something here drifts out of date, it is a bug worth reporting.

Worth knowing first

  • It runs with your machine's permissions. That is convenient and also the reason to think about what you point it at before you approve a tool call.
  • Keep per-call confirmation enabled while you learn its behaviour; it is the cheapest safeguard you have.

Available tools

ToolWhat it does
PrerequisitesThe Prerequisites tool exposed by this server.
Troubleshooting1. Check that all servers are running (MCP, Blender, Unreal) 2. Verify port configurations match (default: 8000 for MCP, 8400/8401 for Blender, 8500 for Unreal) 3. Check console outputs for error messages 4. Restart comp

How to install the Unreal Blender MCP MCP server

{
  "mcpServers": {
    "unreal-blender": {
      "command": "uvx",
      "args": ["unreal-blender-mcp"]
    }
  }
}

Add to claude_desktop_config.json, then restart Claude Desktop.

Configuration

  • Python 3.10 or later - Blender 3.0 or later - Unreal Engine 5.0 or later - uv package manager (install with pip install uv if you don't have it)

Example prompts to try

  • Use Unreal Blender MCP to Prerequisites.
  • Use Unreal Blender MCP to Troubleshooting.

Frequently asked questions

It connects Unreal Blender MCP to MCP-compatible AI assistants such as Claude and Cursor, exposing 2 tools (Prerequisites, Troubleshooting) that the assistant can call on your behalf. Instead of copying data back and forth by hand, the assistant works with Unreal Blender MCP directly.