EasyNode is a self-hosted, cross-platform Linux server management panel that provides a comprehensive suite of remote server administration tools. In production, it enables users to manage multiple Linux servers through a web browser (Vue 3 + Element Plus) or native mobile/desktop clients (Flutter on Android, iOS, macOS, Windows, Linux, HarmonyOS). Core capabilities include WebSSH terminal emulation, WebSFTP file transfer, RDP remote desktop via Apache Guacamole, Docker container management, a script library with batch execution, cron-based scheduled tasks, real-time server monitoring (CPU, memory, disk, network), and an integrated AI agent that can inspect and execute server operations under configurable safety policies. The system also features a credential vault with RSA/AES encryption, IP access control, MFA support, session management, and a 'Plus' paid tier for advanced features like proxy/jump hosts and encrypted module loading. The architecture follows a monolith pattern with a single Node.js backend (Koa + Socket.IO + NeDB embedded document database) serving both web and native clients. The backend exposes REST APIs and WebSocket endpoints for terminal I/O, SFTP, Docker, server status, file transfer, and AI agent events. The web frontend is built with Vue 3 Composition API, Pinia state management, and Element Plus UI library, while the native clients use Flutter with Riverpod for state management and dartssh2 for direct SSH connections. The AI agent subsystem is deeply integrated, featuring a tool registry, approval workflows, command safety classification, session persistence with context compression, and MCP (Model Context Protocol) server support. Security is a primary concern, with encrypted credential storage, JWT/session-cookie authentication, IP whitelist/CIDR rules, login attempt limiting, and output redaction for sensitive data. Notable engineering highlights include a declarative route registration middleware, a reusable command safety classification engine (server/app/ai/safety.js) that recursively analyzes compound shell commands, an approval workflow system (server/app/ai/approval.js) with session-level grants and risk-based confirmation, and an efficient server monitoring module (native/lib/features/terminal/server_status_monitor_manager.dart) that uses a persistent SSH shell with marker-based output parsing. The codebase demonstrates strong craftsmanship with extensive unit tests (covering AI safety, session management, terminal lifecycle, scheduled tasks, and more), CI/CD pipelines for Docker and native builds, and a well-organized modular structure. However, there are signs of technical drift: some cryptographic choices (SHA-1, AES-CBC) are outdated, the encrypted Plus modules are opaque and hard to audit, there is code duplication in shell scripts, and the multi-platform support adds significant maintenance overhead. Overall, EasyNode is a mature, feature-rich application with reusable components and solid engineering practices, though it carries some legacy debt typical of rapidly evolving projects.