Authentication security standards covering OAuth2 flows (authorization code, PKCE), JWT best practices (RS256, expiration), MFA (TOTP, WebAuthn), session management, and NIST 800-63B compliance for production systems
Install
npx skills add williamzujkowski/standards --skill authentication-securitynpx skills add williamzujkowski/standards --skill authentication-security -a claude-code -gnpx skills add williamzujkowski/standards --skill authentication-security -a codex -ggemini skills install https://github.com/williamzujkowski/standards.git --path skills/security/authenticationgh skill install williamzujkowski/standards authentication-securitygit clone --depth 1 https://github.com/williamzujkowski/standards /tmp/williamzujkowski__standards
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/williamzujkowski__standards/skills/security/authentication ~/.claude/skills/authentication-security # Claude Code
cp -R /tmp/williamzujkowski__standards/skills/security/authentication ~/.agents/skills/authentication-security # Codex, Cursor, Gemini CLI, Copilot, OpenCode