Cursor Rules Vault — Next.js & FastAPI Stack Packs (.mdc + AGENTS.md)

Prompts get pasted once. Rules live in the repo and auto-attach.This vault is a set of installable config files for Cursor and Claude Code — .cursor/rules/*.mdc, AGENTS.md, and CLAUDE.md — tuned for real stacks. No fluff PDF. No fake testimonials.Stack packs1. nextjs15-supabase-stripe — App Router, Supabase Auth/RLS, Stripe Checkout/webhooks, Server Actions, TypeScript/React2. python-fastapi-postgres — FastAPI routers, SQLAlchemy 2 + Alembic, Pydantic v2, pytest, API security

Shared rules: typescript-strict, no-secrets, test-first, pr-hygiene, api-errors

Install: see INSTALL.md. Copy one stack’s files into your app repo root + .cursor/rules/. Optionally add shared/*.mdc.

License: Personal use. No resale of the vault.

Price: $19 USD (Buy Now). Author: Pluto. Edition 1.0 · October 2026.

These are installable .mdc / CLAUDE.md / AGENTS.md config files, not a prompt PDF.