The Open vault in VS Code plugin allows users to seamlessly open their Obsidian vaults or specific files directly in Visual Studio Code. It provides a ribbon button, context menu options, and commands for easy integration with VS Code. Users can customize how files or vaults are opened, including support for jumping to specific lines and characters. The plugin also supports various methods of launching VS Code, such as using the code command or vscode:// URLs. Additionally, it offers advanced settings for multi-root workspaces and specific file openings, making it highly adaptable for coding, version control, and markdown management workflows.