backend-security-coder

Guide secure backend coding for APIs, authentication, and input validation.

Updated Feb 26, 2026
One-click install
npx skills add https://github.com/AndyAnh174/wellness --skill backend-security-coder
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: backend-security-coder
Source: https://github.com/AndyAnh174/wellness/tree/main/.agent/skills/backend-security-coder
Command: npx skills add https://github.com/AndyAnh174/wellness --skill backend-security-coder

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Reducing security debt by guiding developers to implement secure backend coding practices across APIs, authentication, and data handling.

Core Features & Use Cases

  • Input validation and sanitization to prevent injection and data corruption.
  • Secure authentication, token management, and session handling patterns.
  • API security guidance including header protections, error handling, and secure data exposure.
  • Threat modeling, secure architecture reviews, and defense-in-depth recommendations for backend systems.

Quick Start

Begin by integrating input validation, authentication, and API security patterns into your backend service.

Frequently Asked Questions about backend-security-coder

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I implement secure backend coding practices for API development?

Secure backend coding for API development involves applying input validation, secure authentication patterns, and header protections to reduce vulnerabilities. This includes proper secret management, secure error handling, and defense-in-depth architecture aligned with OWASP standards.

What is the best way to prevent injection attacks through input validation?

Preventing injection attacks through input validation requires applying sanitization and defensive programming patterns to block data corruption. This approach validates all incoming data against strict schemas before processing, mitigating injection risks across backend systems.

How do I manage authentication tokens and sessions securely in a backend system?

Managing authentication securely in a backend system requires implementing secure token management and session handling patterns. This ensures proper validation, expiration, and storage of credentials to prevent unauthorized access and reduce security debt.

Can I use this for threat modeling and secure architecture reviews?

Yes, you can use this for threat modeling and secure architecture reviews to apply defense-in-depth recommendations. It provides threat-model aware guidance to evaluate backend systems and identify potential vulnerabilities before deployment.

Does this secure coding guidance cover database security and secret management?

Yes, this secure coding guidance covers database security and secret management to reduce security debt. It includes patterns for secure data exposure, secret storage, and threat-model aware recommendations aligned with industry best practices.