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firebase-auth

Verify Firebase ID tokens in FastAPI and manage custom claims for RBAC.

1|Updated Mar 10, 2026
Search Tags:#security#authentication#react#fastapi#jwt#firebase
One-click install
npx skills add https://github.com/aleonsa/claude-config --skill firebase-auth-aleonsa
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: firebase-auth
Source: https://github.com/aleonsa/claude-config/tree/main/claude/skills/firebase-auth
Command: npx skills add https://github.com/aleonsa/claude-config --skill firebase-auth-aleonsa

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill provides robust patterns and code examples for integrating Firebase Authentication into your applications, ensuring secure and efficient user management.

Core Features & Use Cases

  • Backend Token Verification: Securely verify Firebase ID tokens in FastAPI applications.
  • Custom Claims Management: Implement Role-Based Access Control (RBAC) and multi-tenancy using custom claims.
  • Frontend Integration: Seamlessly integrate Firebase Auth with React applications using Zustand for state management.
  • Use Case: Protect your API endpoints by verifying JWTs issued by Firebase, ensuring only authenticated users can access sensitive data, and personalize user experiences based on roles defined in custom claims.

Quick Start

Use the firebase-auth skill to generate a FastAPI dependency for verifying Firebase ID tokens.

Frequently Asked Questions about firebase-auth

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I verify Firebase ID tokens in a FastAPI backend?▼

Verify Firebase ID tokens in FastAPI by creating a custom dependency that uses the Firebase Admin SDK to validate the JWT and protect sensitive API endpoints from unauthorized access.

Can I implement role-based access control with Firebase Authentication?▼

Implement role-based access control with Firebase Authentication by managing custom claims on user accounts, allowing your backend to read these claims to restrict access and personalize user experiences based on roles.

How does Firebase Auth integrate with React and Zustand for state management?▼

Firebase Auth integrates with React by using Zustand for state management to securely track user authentication status and custom claims, synchronizing frontend components with backend token verification.

What is the best way to handle token revocation for Firebase JWTs?▼

Handle token revocation for Firebase JWTs by using the Firebase Admin SDK to check if an ID token has been revoked, ensuring invalidated sessions are immediately rejected by your FastAPI backend.

Does Firebase Authentication support multi-tenancy in web applications?▼

Firebase Authentication supports multi-tenancy in web applications by utilizing custom claims to isolate tenant data, allowing your FastAPI backend to securely differentiate access levels across multiple client organizations.

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