auth0
SkillUse when adding, fixing, or improving authentication in any app — login, logout, signup, route protection, JWT/access token validation, refresh token rotation, MFA, passkeys, step-up auth, SSO, RBAC, Organizations for B2B multi-tenant SaaS, custom login domains, ACUL, or Universal Login branding. Us
Install
git clone https://github.com/auth0/agent-skills.git ~/.claude/skills/auth0What is auth0?
Use when adding, fixing, or improving authentication in any app — login, logout, signup, route protection, JWT/access token validation, refresh token rotation, MFA, passkeys, step-up auth, SSO, RBAC, Organizations for B2B multi-tenant SaaS, custom login domains, ACUL, or Universal Login branding. Use even if Auth0 isn't mentioned — any time a developer asks how to authenticate users, secure an API, debug a 401, CORS error, callback URL mismatch, redirect loop, or 429 rate limit, or migrate from Clerk, NextAuth.js, Firebase Auth, Supabase, Cognito, or Passport.js. Covers React, Next.js, Vue, Nuxt, Angular, Express, Flask, FastAPI, Spring Boot, Go, Swift, Android, Flutter, PHP, Laravel, ASP.NET Core, React Native, Expo, Ionic, and all Auth0 SDKs.
What this can do
Capabilities declared in this component's own frontmatter — not inferred.
Inherit all session tools
Declares no tool restrictions — inherits every session tool
~189 tokens of context used while enabled, before you invoke anything
Documentation
README · ~9 min readAuth0
Detect intent → detect framework → detect tooling → load 2–3 reference files.
Step 1: Detect intent
Match the request against the What the developer wants column — it describes
the goal in plain language, not just the Auth0 term (someone who says "make
users confirm with a code from their phone" lands on feature:mfa). The
Intent you pick is a lookup key: in Step 4 it appears verbatim as a
section heading (### feature:mfa) listing which reference files to load.
| What the developer wants (plain language + Auth0 term) | Intent |
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