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vibe-stack
vibestackdev March 30, 2026
6 copies 0 downloads
29 .mdc architecture rules that prevent AI coding assistants from hallucinating insecure auth, deprecated imports, and broken Next.js 15 patterns. Built for Cursor Agent and Claude Code.
Agent Definition
# ⚡ Vibe Stack ### Stop fixing AI-generated bugs. Start shipping production apps. A **Next.js 15 + Supabase boilerplate** with **29 `.mdc` architecture rules** that physically prevent AI coding assistants from hallucinating insecure auth, deprecated packages, and broken patterns. [](https://nextjs.org/) [](https://react.dev/) [](https://supabase.com/) [](https://www.typescriptlang.org/) [](LICENSE) > **The problem:** AI models generate code that compiles perfectly but ships critical vulnerabilities — `getSession()` instead of `getUser()`, synchronous params that crash in Next.js 15, missing RLS policies that expose your database. These bugs are invisible until production. > > **The fix:** Architecture rules that override the AI's training data. When a rule says "NEVER use getSession()", the model is constrained to generate the secure pattern. Every time. --- ## 🚀 Quick Start ```bash git clone https://github.com/vibestackdev/vibe-stack.git cd vibe-stack npm install cp .env.example .env.local # Add your Supabase URL + anon key to .env.local npm run dev ``` Open in **Cursor** and start building. The rules activate automatically — zero configuration. --- ## 🆓 What's Free (This Repo) This open-source repo includes **5 foundational architecture rules** — the most critical safeguards for any Next.js 15 + Supabase project: | Free Rule | What It Prevents | |---|---| | `supabase-auth-security.mdc` | Bans `getSession()`, enforces `getUser()` for JWT verification | | `nextjs15-params.mdc` | Prevents synchronous `params` access (the #1 Next.js 15 breaking change) | | `supabase-ssr-only.mdc` | Blocks deprec
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