CLI authentication presents unique challenges in command-line environments due to the lack of interactive elements, often leading to cumbersome and insecure methods like API key storage. The blog explores how Descope Inbound Apps can simplify this process by implementing OAuth 2.0, allowing command-line tools to adopt familiar browser-based authentication flows. This approach reduces user friction and enhances security by eliminating the need for storing API keys in plain text. The blog provides a detailed walkthrough using Golang to set up CLI authentication with Descope, involving steps like configuring Descope Inbound Apps, generating OAuth URLs, and handling authorization callbacks. By utilizing Descope's OAuth capabilities, developers can create a seamless and secure authentication experience for CLI applications, similar to web applications, thereby improving user experience and reducing security risks.