Unreal Engine MCP Python Bridge Plugin MCP Server

An Unreal Engine plugin that implements an MCP server allowing MCP clients to access the UE Editor Python API.

Local serverstdioPython

What is the Unreal Engine MCP Python Bridge Plugin MCP server?

Connect Unreal Engine MCP Python Bridge Plugin to Claude, Cursor or any other MCP client and it stops being a tab you switch to. An Unreal Engine plugin that implements an MCP server allowing MCP clients to access the UE Editor Python API. The unreal engine mcp python bridge plugin mcp server is what makes that connection.

What the server does

This is the only Python dependency. The client script unreal_mcp_client.py uses from mcp.server.fastmcp import FastMCP to expose the bridge tools to your agent. A MCPClient/requirements.txt file is provided for convenience (pip install -r MCPClient/requirements.txt). Note: this is your system Python — the script runs as a subprocess of your agent, not inside the editor's bundled Python. - An AI Agent. Below, we assume Claude will be used. But any AI Agent that implements MCP should suffice. - Unreal Engine 5 with the Python Editor Script Plugin enabled. - Visual Studio 2019 or higher (only needed if

Installation

Installation goes through your MCP client rather than a global install: point it at mcp on PyPI and it is fetched when the client starts. The copy-paste blocks for Claude Desktop, Claude Code and Cursor are further down this page.

Credentials and setup notes

  • Python 3.10 or higher available on your system PATH, with the official MCP Python SDK installed: This is the only Python dependency. The client script unreal_mcp_client.py uses from mcp.server.fastmcp import FastMCP to expose the bridge tools to your agent. A MCPClient/requirements.txt file is provided for convenience (`pip install

Where it fits

This sits in the developer tooling group, where several servers overlap in what they claim to do but differ sharply once you actually set them up. It is maintained by appleweed; worth a glance at recent repository activity before you build anything load-bearing on it.

This entry was verified against Unreal Engine MCP Python Bridge Plugin's own documentation before publication; SyncDev keeps the directory reviewed rather than auto-generated.

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.

How to install the Unreal Engine MCP Python Bridge Plugin MCP server

{
  "mcpServers": {
    "unreal-engine": {
      "command": "python",
      "args": [
        "[mac_or_windows_format_path_to_unreal_mcp_client.py]"
      ]
    } 
  }
}

Configuration as documented by the project. Restart the client after saving.

Configuration

  • Python 3.10 or higher available on your system PATH, with the official MCP Python SDK installed: This is the only Python dependency. The client script unreal_mcp_client.py uses from mcp.server.fastmcp import FastMCP to expose the bridge tools to your agent. A MCPClient/requirements.txt file is provided for convenience (`pip install

Frequently asked questions

Add a new function decorated with `@mcp.tool()` in `unreal_mcp_client.py` that sends a command to Unreal Engine, and implement the corresponding server‑side method in `unreal_server_init.py` under the plugin’s `Content` folder. Restart Unreal Engine after server changes; restart Claude after client changes.