ClaudSkills / Security / identity-access

Authentication Oauth

Q: What is a Claude Code skill and how does the Authentication Oauth skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Authentication Oauth is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Security category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: Security · Sub-category: identity-access · Last updated: 2026-05-30

Expert guidance on authentication implementation including OAuth 2.0/OIDC, JWT tokens, session management, and secure password handling. Covers both implementing auth from scratch and integrating auth providers. Use when "implement authentication, oauth login, jwt tokens, session management, social login, password reset, multi-factor auth, refresh tokens, Working with Auth0, Clerk, NextAuth, Passport.js, authentication, oauth, jwt, session, security, login, password, mfa, oidc" mentioned.

What this skill does

Authentication Oauth is a community-contributed Claude Code skill in the identity-access sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/authentication-oauth/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when "implement authentication, oauth login, jwt tokens, session management, social login, password reset, multi-factor auth, refresh tokens, Working with Auth0, Clerk, NextAuth, Passport.js, authentication, oauth, jwt, session, security, login, password, mfa, oidc" mentioned.

Who uses this skill

The Authentication Oauth Claude Code skill is built for security engineers, penetration testers, DevSecOps practitioners, and development teams hardening codebases and infrastructure. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 76,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

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

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

Skills live at ~/.claude/skills/authentication-oauth/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\authentication-oauth\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.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Authentication Oauth Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/authentication-oauth/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the Authentication Oauth skill do?

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the Authentication Oauth skill?

Use Authentication Oauth when your Claude Code task falls under the Security category — specifically in the identity access area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Authentication Oauth" or describe the task and let Claude pick). Browse related skills at /category/security/.

What is a Claude Code skill and how does the Authentication Oauth skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Authentication Oauth is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Security category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/omer-metin/skills-for-antigravity/blob/HEAD/skills/authentication-oauth/SKILL.md
License: Apache-2.0
Author: omer-metin

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

omer-metin. (2026). Authentication Oauth [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/authentication-oauth/

BibTeX

@misc{authentication-oauth-2026,
  author    = {omer-metin},
  title     = {Authentication Oauth [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/authentication-oauth/}
}

Embed this skill

Promote, attribute, or link this skill from your own README, blog post, or documentation. All three snippets are free to use — no sign-up, no API key. More distribution surfaces →

Badge

[![ClaudSkills](https://claudskills.com/badge/authentication-oauth.svg)](https://claudskills.com/skills/authentication-oauth/?utm_source=badge&utm_medium=readme&utm_campaign=skill_badge)

More Security skills

Browse all Security skills in the ClaudSkills registry, or explore these other picks from the same category:

Browse all Security skills → Top 100 skills

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

Part of Acreator Store — Adam Lankamer's AI tools: PerfectStudio · Ucaption · UTagger · AutoXPoster · TestYourSkills · AutomationFlows · Au Naturel