ClaudSkills / Security / identity-access

Authentication Patterns

Quality score: 70/100 · Category: Security · Sub-category: identity-access

type:review

Comprehensive authentication implementation guidance including JWT best practices, OAuth 2.0/OIDC flows, Passkeys/FIDO2/WebAuthn, MFA patterns, and secure session management. Use when implementing login systems, token-based auth, SSO, passwordless authentication, or reviewing authentication security.

What this skill does

Authentication Patterns is a production-ready Claude Code skill (quality score 70/100) in the identity-access sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/authentication-patterns/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when implementing login systems, token-based auth, SSO, passwordless authentication, or reviewing authentication security.

Who uses this skill

The Authentication Patterns skill is built for security engineers, penetration testers, DevSecOps practitioners, and development teams hardening codebases and infrastructure. It is part of the open ClaudSkills registry, a community-curated catalog of 15,000+ capabilities you can install for Claude Code — the Claude CLI agent.

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/authentication-patterns
curl -L https://claudskills.com/skills/authentication-patterns/SKILL.md \
  -o ~/.claude/skills/authentication-patterns/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/authentication-patterns/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/authentication-patterns/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\authentication-patterns\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

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Part of ClaudSkills — the open registry for Claude Code skills. · What's New · Install guide · About · llms.txt

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