# Ue MCP (MCP server)

> Ue MCP is an MCP server that adds tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Complete Unreal Engine development toolkit exposed as MCP tools. It has 383 GitHub stars, is released under the MIT license and runs locally with npx -y ue-mcp.

Unreal Engine Model Context Protocol Server - gives AI assistants deep read/write access to the Unreal Editor through 26 category tools covering 1972+ actions, plus a YAML flow engine for multi-step workflows and an npm plugin system for extending the surface.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/db-lyon/ue-mcp |
| GitHub stars | 383 |
| License | MIT |
| Language | C++ |
| Transport | stdio |
| Packages | npm: ue-mcp |
| Remote URL | none |
| Needs API key | no |
| Official | no |
| Works with | Claude Desktop, Claude Code, Cursor, VS Code |
| Category | Other |
| Latest release | v1.3.9 (Sep 23, 2026) |
| Last commit | Oct 6, 2026 |

## Install

### Claude Desktop (claude_desktop_config.json)

```json
{
  "mcpServers": {
    "ue-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "ue-mcp"
      ]
    }
  }
}
```

Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.

### Claude Code

```sh
claude mcp add --transport stdio ue-mcp -- npx -y ue-mcp
```

### Cursor (.cursor/mcp.json)

```json
{
  "mcpServers": {
    "ue-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "ue-mcp"
      ]
    }
  }
}
```

Project file; use ~/.cursor/mcp.json to enable it in every project.

### VS Code (.vscode/mcp.json)

```json
{
  "servers": {
    "ue-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "ue-mcp"
      ]
    }
  }
}
```

Config formats checked against the official docs on 2026-10-07.

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