Skill
security-and-hardening
Hardens code against vulnerabilities. Use when handling user input, authentication, data storage, or external integrations. Use when building any feature that accepts untrusted data, manages user sessions, or interacts with third-party services.
Install
Install this Claude and Codex skill with the command below. The command stays visible even when copy support is unavailable.
Install command
git clone https://github.com/addyosmani/agent-skills /tmp/agent-skills && ln -s /tmp/agent-skills/skills/security-and-hardening ~/.claude/skills/security-and-hardening