Best scalable architecture AI tools

Craft is an AI-powered development framework and Next.js starter kit designed to accelerate SaaS product development. It leverages Anthropic's Claude AI with 10 specialized Skills and 14 pre-configured MCP servers to generate production-ready, clean code. Craft offers adaptive quality levels (Rapid, Balanced, Crafted) to match your product's stage, integrating essential boilerplate features like authentication, payments, and databases, enabling developers to ship features in days, not months.