QuickServe is a zero-config local development server for VSCode that lets you instantly preview and auto-reload HTML and Markdown files with zero friction. What makes it unique? Unlike basic servers, it features a deep dependency graph for smart change detection and Hot Module Replacement (HMR) for state-preserving updates. It also packs advanced, hassle-free tools like self-healing HTTPS, mobile testing via QR codes, and one-click status bar controls.