Guide for setting up and using Firebase Authentication. Use this skill when the user's app requires user sign-in, user management, or secure data access using auth rules.
Install
npx skills add firebase/agent-skills --skill firebase-auth-basicsnpx skills add firebase/agent-skills --skill firebase-auth-basics -a claude-code -gnpx skills add firebase/agent-skills --skill firebase-auth-basics -a codex -ggemini skills install https://github.com/firebase/agent-skills.git --path skills/firebase-auth-basicsgh skill install firebase/agent-skills firebase-auth-basicsgit clone --depth 1 https://github.com/firebase/agent-skills /tmp/firebase__agent-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/firebase__agent-skills/skills/firebase-auth-basics ~/.claude/skills/firebase-auth-basics # Claude Code
cp -R /tmp/firebase__agent-skills/skills/firebase-auth-basics ~/.agents/skills/firebase-auth-basics # Codex, Cursor, Gemini CLI, Copilot, OpenCode