Can I use this for Flutter or React Native apps?

Absolutely. The skill includes implementation guidance for native mobile platforms, including Flutter's firebase_auth and React Native Firebase packages.

How does it help with application security?

It provides implementation patterns for Firebase Security Rules that verify user identity and custom claims to secure Firestore, Realtime Database, and Storage.

Can Claude help me implement Apple Sign-In with this skill?

Yes, it covers the specific configuration requirements and implementation details for Apple Sign-In, which is a requirement for iOS apps using third-party logins.

Does it cover server-side authentication tasks?

Yes, it includes instructions for using the Firebase Admin SDK in Node.js, Python, and Go for tasks like verifying ID tokens and setting custom user claims.

Does this skill support the latest Firebase Web SDK?

Yes, it specifically covers the Firebase Modular SDK (v9+) and includes patterns for modular initialization and tree-shakable state management.

Firebase Authentication Specialist

Name: Firebase Authentication Specialist
Author: zellycloud

byzellycloud

Cloud Infrastructure

Implements secure user authentication workflows across web and mobile platforms using the Firebase and Google Cloud ecosystem.

About

This skill transforms Claude into an expert in Firebase Authentication, enabling the seamless implementation of identity solutions including social logins, phone verification, and custom role-based access control. It provides deep technical guidance on the Firebase Modular SDK (v9+), native mobile SDKs for Flutter, iOS, and Android, and server-side Admin SDKs. Use this skill to architect secure auth flows, link anonymous accounts to permanent identities, manage custom claims for RBAC, and integrate authentication states directly with Firestore and Storage security rules for production-ready security.

Key Features

0 GitHub stars
Custom Claims and Role-Based Access Control (RBAC) management
SMS-based Phone Authentication with international support
Social Identity Integration for Google, Apple, Facebook, and GitHub
Cross-platform SDK support for Web, Flutter, and Native Mobile
Deep integration with Firebase Security Rules for database protection

Use Cases

Implementing complex role-based permissions using Custom Claims and Admin SDK
Migrating legacy web applications to the Firebase Modular SDK (v9+)
Building mobile-first applications requiring Phone or Social Auth

About

Key Features

0 GitHub stars
Custom Claims and Role-Based Access Control (RBAC) management
SMS-based Phone Authentication with international support
Social Identity Integration for Google, Apple, Facebook, and GitHub
Cross-platform SDK support for Web, Flutter, and Native Mobile
Deep integration with Firebase Security Rules for database protection

Use Cases

Implementing complex role-based permissions using Custom Claims and Admin SDK
Migrating legacy web applications to the Firebase Modular SDK (v9+)
Building mobile-first applications requiring Phone or Social Auth