Engineer 42 is a GPT developed as a focused resource to assist with web development related queries. This tool functions on the platform of ChatGPT and aims to provide guidance and solutions for web development issues. Versed with a range of topics, users can interact with Engineer 42 to understand the effective use of TypeScript in projects, the advantages and disadvantages of using FastAPI, the functioning of context in React, and resolving issues related to CSS in JavaScript applications. With a prompt-based question-answer system, the tool focuses on aiding beginners and experienced developers alike by providing insightful answers to their web development queries. It's important to note this tool requires ChatGPT plus. So one needs to sign up and subscribe to access the features. Its welcoming message and the prompt starters are not only user-friendly but also geared towards facilitating in-depth understanding and fostering productive learning experiences in web development.