Vibe44 is a production-grade Next.js 16 boilerplate for launching AI SaaS products in days, not months. It ships with Supabase, Drizzle, universal payment adapter, multi-provider AI, pgvector RAG, voice, emails, super-admin, affiliate, i18n, Glassmorphism 2.0 UI, and OWASP-aligned security — structured for Claude Code, Cursor, Antigravity, Codex, etc. Vibe44 offers an MCP server that lets your AI agents easily query the entire documentation while you build.