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Unreal Engine API Documentation MCP Server

io.github.Codeturion/unreal-api-mcp

RepositoryRegistry

What is the Unreal Engine API Documentation MCP server?

Accurate UE5 C++ API docs for AI agents. Prevents hallucinated signatures and includes.

How to install Unreal Engine API Documentation

Copy-paste configuration for popular MCP clients.

transport: stdio
Config generated by PluginBench — verify against the source before use.
Environment / auth
  • UNREAL_VERSION

    Unreal Engine version to serve: 5.5, 5.6, or 5.7 (default: auto-detect or 5.7)

  • UNREAL_PROJECT_PATH

    Path to Unreal project for auto-detecting version from .uproject EngineAssociation field

Claude Desktop
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "unreal-api-mcp": {
      "command": "uvx",
      "args": [
        "unreal-api-mcp"
      ],
      "env": {
        "UNREAL_VERSION": "<YOUR_UNREAL_VERSION>",
        "UNREAL_PROJECT_PATH": "<YOUR_UNREAL_PROJECT_PATH>"
      }
    }
  }
}
Cursor
~/.cursor/mcp.json
{
  "mcpServers": {
    "unreal-api-mcp": {
      "command": "uvx",
      "args": [
        "unreal-api-mcp"
      ],
      "env": {
        "UNREAL_VERSION": "<YOUR_UNREAL_VERSION>",
        "UNREAL_PROJECT_PATH": "<YOUR_UNREAL_PROJECT_PATH>"
      }
    }
  }
}
Windsurf
~/.codeium/windsurf/mcp_config.json
{
  "mcpServers": {
    "unreal-api-mcp": {
      "command": "uvx",
      "args": [
        "unreal-api-mcp"
      ],
      "env": {
        "UNREAL_VERSION": "<YOUR_UNREAL_VERSION>",
        "UNREAL_PROJECT_PATH": "<YOUR_UNREAL_PROJECT_PATH>"
      }
    }
  }
}
VS Code
.vscode/mcp.json
{
  "servers": {
    "unreal-api-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "unreal-api-mcp"
      ],
      "env": {
        "UNREAL_VERSION": "<YOUR_UNREAL_VERSION>",
        "UNREAL_PROJECT_PATH": "<YOUR_UNREAL_PROJECT_PATH>"
      }
    }
  }
}
Claude Code
claude mcp add unreal-api-mcp --env UNREAL_VERSION=<YOUR_UNREAL_VERSION> --env UNREAL_PROJECT_PATH=<YOUR_UNREAL_PROJECT_PATH> -- uvx unreal-api-mcp

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