A security guide for software that accepts user input, handles accounts or sensitive data, or connects to outside services. It describes practices for protecting applications against common attacks.
A production-release checklist and planning guide for putting software in front of real users. It covers testing, security, monitoring, staged rollout, and rollback, which means returning to the previous working version.
A development method that bases framework and library decisions on current official documentation. TDD is not required; the focus is checking the right documentation for the exact versions used.
A development method that writes a structured specification before code. The specification records what to build, why it matters, and how completion will be checked.
A guide for finding and using agent skills during software work. It maps common tasks—such as planning, coding, testing, debugging, and review—to suitable skills.