# firebase-basics

> Claude/Codex skill by [@firebase](https://omgskills.com/library/firebase/index.md) · 491 stars · Updated 2026-10-28

Provides foundational Firebase CLI setup, CLI installation, version checks (\`firebase-tools@latest --version\`), CLI login (including --no-localhost), project creation, project selection (\`firebase use\`), and app config file downloads (\`google-services.json\`, \`GoogleService-Info.plist\`). Use ONLY for CLI login, project creation/switching, or downloading app config files. Don't use for Firebase Hosting deploy, Firestore, Auth, App Hosting, Data Connect, Crashlytics, or Remote Config.

## Install

```sh
git clone https://github.com/firebase/agent-skills /tmp/agent-skills && ln -s /tmp/agent-skills/skills/firebase-basics ~/.claude/skills/firebase-basics
```

## From README

Prerequisites Complete these steps before proceeding: Local Environment Verify the environment is properly set up so we can use Firebase tools: Run npx -y firebase-tools@latest --version to check if the Firebase CLI is installed. Verify if the Firebase MCP server is installed using your existing tools. CRITICAL: Before configuring any extensions or agent environments below, you MUST read references/local-env- .md.

## Links

- HTML page: https://omgskills.com/library/firebase/skills/firebase-basics/
- GitHub: https://github.com/firebase/agent-skills
- Author: [@firebase](https://omgskills.com/library/firebase/index.md)

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