Use when implementing authentication/authorization, securing user input, or preventing OWASP Top 10 vulnerabilities. Invoke for authentication, authorization, input validation, encryption, OWASP Top 10 prevention. Keywords: security, authentication, authorization, OWASP, encryption, vulnerability.
Install
npx skills add Jeffallan/claude-skills --skill secure-code-guardiannpx skills add Jeffallan/claude-skills --skill secure-code-guardian -a claude-code -gnpx skills add Jeffallan/claude-skills --skill secure-code-guardian -a codex -ggemini skills install https://github.com/Jeffallan/claude-skills.git --path skills/secure-code-guardiangh skill install Jeffallan/claude-skills secure-code-guardiangit clone --depth 1 https://github.com/Jeffallan/claude-skills /tmp/Jeffallan__claude-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/Jeffallan__claude-skills/skills/secure-code-guardian ~/.claude/skills/secure-code-guardian # Claude Code
cp -R /tmp/Jeffallan__claude-skills/skills/secure-code-guardian ~/.agents/skills/secure-code-guardian # Codex, Cursor, Gemini CLI, Copilot, OpenCode