Firebase full-stack backend: App Hosting for Next.js SSR on Cloud Run, Auth SSR with HttpOnly cookies and proxy.ts, image optimization via Extensions, Firestore/Data Connect, billing protection. Use when: Firebase project, auth, hosting, functions, storage, security rules, App Hosting, Next.js 16 SSR.
$npx -y skills add fandry96/k3-agentic-skills --skill firebaseInstalls into the current project.
Run `npx skills use "https://github.com/fandry96/k3-agentic-skills" --skill "fandry96/k3-agentic-skills/firebase"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/fandry96/k3-agentic-skills" that are relevant to the current task. Run `npx skills add "https://github.com/fandry96/k3-agentic-skills"` and select the relevant skills, then follow their instructions.