Claude SaaS Starter – Next.js Boilerplate for Claude Streaming

Show HN: Claude SaaS Starter – Next.js Boilerplate for Claude Streaming

Claude SaaS Starter – Next.js Boilerplate for Claude Streaming is a company in show hn launch.

Profile

Product: https://bydaewon.gumroad.com/l/claude-saas-starterI built this because every SaaS boilerplate I found was OpenAI-first. Claude's SSE streaming differs from OpenAI's — the Anthropic SDK's messages.stream() returns a different event structure, and you need a custom ReadableStream transform to pipe it as Server-Sent Events on Edge Runtime.The stack:- Next.js 16 (App Router, TypeScript) - Supabase for auth and PostgreSQL (with RLS) - Anthropic SDK for Claude streaming - Stripe for subscription billing (full webhook lifecycle) - Vitest for testing (40 tests)The streaming API route transforms Anthropic SDK events into SSE format and runs on Edge Runtime for low-latency. On the client, a R

The company sits in the show hn launch segment, where it competes on its core product or service.

Its current recorded stage is Show HN launch.

Website: bydaewon.gumroad.com/l/claude-saas-starterI