Skill UI

This guide provides comprehensive techniques for writing highly robust, production-grade Bash scripts. It covers advanced error handling, input validation, and safety best practices essential for building reliable CI/CD pipelines, system administration utilities, and mission-critical automation scripts that must handle edge cases gracefully.

This skill applies Steve McConnell's construction rules to software development tasks. It covers routine design, variable usage, class design, control flow, defensive programming, coding standards, and testing. Use it for disciplined software construction to ensure high-quality code implementation.

This skill empowers you to implement secure backend development practices, focusing on input validation, authentication, and API security. It covers vulnerability prevention, defensive programming, and secure architecture implementation. Ideal for writing secure code, configuring security headers, managing secrets, and protecting databases against common attack vectors like SQL injection and CSRF.

Master defensive Bash programming techniques for production-grade scripts. Use this skill for writing robust shell scripts, CI/CD pipelines, or system utilities requiring fault tolerance and safety. Covers error handling, input validation, and safety best practices to prevent common pitfalls.

This skill provides expertise in writing strict POSIX-compliant shell scripts for maximum portability across Unix-like systems. It focuses on shell-agnostic scripting compatible with dash, ash, sh, and bash in POSIX mode. Key areas include defensive programming, portable error handling, safe argument parsing, and cross-platform compatibility. It ensures scripts run on Linux, BSD, Solaris, AIX, and macOS without relying on GNU-specific features or bash extensions.