Codex CLI is a local coding agent from OpenAI that can be installed using npm or Homebrew. Users can run Codex after installation and sign in with their ChatGPT account for enhanced functionality. The tool supports various platforms and offers configuration options to tailor user experience.

The "am-i-vibing" library detects whether CLI tools and Node applications are being executed by AI agents, allowing them to adjust outputs and error handling accordingly. It provides functions for detecting different types of environments—agentic, interactive, and hybrid—and can be used via CLI for quick checks and detailed diagnostics.

GitHub Copilot CLI is a command-line interface that allows developers to easily integrate AI-assisted coding into their workflows. Users can get started by installing the CLI, authenticating with their GitHub account, and using various commands to leverage Copilot's capabilities for code suggestions and completions directly in the terminal. The article provides a step-by-step guide for setup and usage.