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Scans code for security vulnerabilities, hardcoded secrets, and unsafe patterns in React Native and Expo applications. Use before merging sensitive changes or as part of a regular audit.

Install Skill

1Download skill
2Enable skills in Claude

Open claude.ai/settings/capabilities and find the "Skills" section

3Upload to Claude

Click "Upload skill" and select the downloaded ZIP file

Note: Please verify skill by going through its instructions before using it.

SKILL.md

name security-audit
description Scans code for security vulnerabilities, hardcoded secrets, and unsafe patterns in React Native and Expo applications. Use before merging sensitive changes or as part of a regular audit.

Security Audit Skill

This skill focuses on making the application robust against common mobile security threats.

Instructions

  1. Secret Scanning: Check for API keys, passwords, or tokens in the codebase.
  2. Data Storage: Ensure sensitive data is stored in expo-secure-store and not AsyncStorage.
  3. Network: Verify that all API calls use HTTPS and that SSL pinning is considered for high-security apps.
  4. Input Validation: Check for unsanitized inputs that could lead to XSS or injection.
  5. Permissions: Review app.json for unnecessary permissions.

Tools to Simulate/Use

  • bunx audit (for dependencies)
  • Custom grep patterns for secrets (e.g., sk-, AIza, ghp_)
  • Checking for dangerouslySetInnerHTML in web-related components.

See Mobile Security Checklist for a comprehensive list.