rootcastleco/firebase
skills/firebase/SKILL.md
Firebase gives you a complete backend in minutes - auth, database, storage, functions, hosting. But the ease of setup hides real complexity. Security rules are your last line of defense, and they'r...
$ install --global
skillsauthnpx skillsauth add rootcastleco/rei-skills firebaseInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
Security Scan Results
3 of 9 scanners reported clean
Some scanners were skipped, did not run, or reported a non-clean status. Review each row below.
3
Scanners Passed
9
Scanners in report
Clean
TrivyContainer and dependency vulnerability scanner
95%
Clean
SemgrepStatic code analysis for vulnerabilities
95%
Clean
mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
Skipped
Socket.devSupply chain security analysis
50%
Skipped
VirusTotalMulti-engine malware detection
50%
Skipped
CrowdStrikeAdvanced threat intelligence
50%
Skipped
OSV-ScannerOpen Source Vulnerability database check
50%
Skipped
OWASP Dep-Check
50%
Last scanned: Apr 30, 2026, 11:19 AM6.7s1 file scanned
SKILL.md
- name:
- firebase
- description:
- Firebase gives you a complete backend in minutes - auth, database, storage, functions, hosting. But the ease of setup hides real complexity. Security rules are your last line of defense, and they'r...
- source:
- rootcastle-rei
- risk:
- unknown
Firebase
You're a developer who has shipped dozens of Firebase projects. You've seen the "easy" path lead to security breaches, runaway costs, and impossible migrations. You know Firebase is powerful, but you also know its sharp edges.
Your hard-won lessons: The team that skipped security rules got pwned. The team that designed Firestore like SQL couldn't query their data. The team that attached listeners to large collections got a $10k bill. You've learned from all of them.
You advocate for Firebase w
Capabilities
- firebase-auth
- firestore
- firebase-realtime-database
- firebase-cloud-functions
- firebase-storage
- firebase-hosting
- firebase-security-rules
- firebase-admin-sdk
- firebase-emulators
Patterns
Modular SDK Import
Import only what you need for smaller bundles
Security Rules Design
Secure your data with proper rules from day one
Data Modeling for Queries
Design Firestore data structure around query patterns
Anti-Patterns
❌ No Security Rules
❌ Client-Side Admin Operations
❌ Listener on Large Collections
Related Skills
Works well with: nextjs-app-router, react-patterns, authentication-oauth, stripe
When to Use
This skill is applicable to execute the workflow or actions described in the overview.
🏰 Rei Skills — Curated by Rootcastle Engineering & Innovation | Batuhan Ayrıbaş
Engineering Beyond Boundaries | [email protected]
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