Firebase Authentication

Firebase Authentication is an AI Engineering skill for Claude Code, published by evanca in flutter-ai-rules.

616 stars60 forkson evanca/flutter-ai-rulesAdded 2026/08/24Repository updated 2026/08/21

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Install in seconds

Install Firebase Authentication

Copy Firebase Authentication into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/evanca/flutter-ai-rules/tree/main/skills/firebase-auth ~/.claude/skills/firebase-auth

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/evanca/flutter-ai-rules.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: skills/firebase-auth/SKILL.md in evanca/flutter-ai-rules
Installs to: ~/.claude/skills/firebase-auth
Collection: One of 25 skills cataloged from this repository
Category: AI Engineering — 2451 skills

What Firebase Authentication does

Firebase Authentication helps you set up and manage Firebase auth in Flutter apps. Use it for sign-in state, email/password or social login, account linking, MFA, and auth error handling.

Firebase Authentication is cataloged under AI Engineering on DirSkills. Firebase Authentication comes from a repository tagged ai, ai-rules, ai-skills, antigravity and claude.

Documentation

README

Excerpt

Firebase Authentication Skill

This skill defines how to correctly use Firebase Authentication in Flutter applications.

When to Use

Use this skill when:

Setting up Firebase Authentication in a Flutter project.
Listening to authentication state changes.
Implementing email/password, phone number, or social sign-in.
Managing user profiles, account linking, or MFA.
Handling authentication errors (including iOS recaptcha-sdk-not-linked for phone auth).
Applying security best practices for auth flows.

1. Setup and Configuration

flutter pub add firebase_auth

import 'package:firebase_auth/firebase_auth.dart';

This is the opening of the README. Read the full README on GitHub.

Frequently asked about Firebase Authentication

What else does evanca publish alongside Firebase Authentication?
Firebase Authentication is one of 25 skills that DirSkills catalogs from evanca/flutter-ai-rules, the repository it ships in. Its siblings there include Accessibility, Bloc and Code Review. Each one is a separate skill with its own page in this directory, installs the same way Firebase Authentication does, and is maintained by evanca in that same repository. The rest of the collection is listed on the evanca/flutter-ai-rules page.
How does Firebase Authentication compare to other AI Engineering skills?
Firebase Authentication ranks #1905 by stars among the 2451 AI Engineering skills in this catalog. The most-starred ones next to it are Architecture Decision Records, AI-First Engineering and Agentic OS. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of Firebase Authentication against them. Open each page to compare what they document and how they install.