Audits Firebase (Firestore, Cloud Storage) security rules for vulnerabilities, privilege escalation, role bypasses, create vs update inconsistencies, resource exhaustion, type safety, size limits, and hasOnly ownership checks. Use when auditing/reviewing rules, running red-team rule assessments, or scoring against auditor checklists.
Install
npx skills add firebase/agent-skills --skill firebase-security-rules-auditornpx skills add firebase/agent-skills --skill firebase-security-rules-auditor -a claude-code -gnpx skills add firebase/agent-skills --skill firebase-security-rules-auditor -a codex -ggemini skills install https://github.com/firebase/agent-skills.git --path skills/firebase-security-rules-auditorgh skill install firebase/agent-skills firebase-security-rules-auditorgit 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-security-rules-auditor ~/.claude/skills/firebase-security-rules-auditor # Claude Code
cp -R /tmp/firebase__agent-skills/skills/firebase-security-rules-auditor ~/.agents/skills/firebase-security-rules-auditor # Codex, Cursor, Gemini CLI, Copilot, OpenCode