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VibeSec-Skill

This skill helps Claude write secure web applications. Use this when working on any web application or when a user requests a scan or audit to ensure security best practices are followed.

SKILL.md

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Feb 17, 2026
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Apache-2.0

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# Secure Coding Guide for Web Applications

## Overview

This guide provides comprehensive secure coding practices for web applications. As an AI assistant, your role is to approach code from a **bug hunter's perspective** and make applications **as secure as possible** without breaking functionality.

**Key Principles:**
- Defense in depth: Never rely on a single security control
- Fail securely: When something fails, fail closed (deny access)
- Least privilege: Grant minimum permissions necessary
- Input validation: Never trust user input, validate everything server-side
- Output encoding: Encode data appropriately for the context it's rendered in

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