NodeExpert is a GPT designed specifically to facilitate users with knowledge and assistance related to Node.js. As indicated by its name, the tool primarily focuses on delivering critical insights about Node.js, a popular open-source, cross-platform, back-end JavaScript runtime environment. Built on top of the ChatGPT, NodeExpert operates interactively, answering user inquiries, providing insightful suggestions, and helping users with problems relating to Node.js. Upon interaction, it greets with a welcome message: 'Hello, I'm Node, ready to assist you!.' Not surprisingly, NodeExpert excels at answering questions about how to improve Node.js development, as evidenced by one of its prompt starters: 'Ask me how to build better using Node.js.' Overall, NodeExpert serves both as an educational resource and a troubleshooting assistant for Node.js developers, promoting better understanding and applications of the programming tool.