A complete step-by-step guide to building a Chrome extension that calls the Claude API — covers manifest V3, service workers, CORS, and async result handling. Working in about 90 minutes.
A practical walkthrough for building a social media automation pipeline using n8n, the OpenAI API, and Google Sheets — runs on a $6/month VPS with under $1/month in API costs.
Build a production-ready Next.js app with Supabase auth, PostgreSQL database, and Vercel deployment in 2026. Step-by-step guide covering App Router, Server Actions, Row Level Security, and preview deployments.
Build a Telegram bot backed by Claude in an afternoon — with multi-turn conversation memory and photo analysis. Full Python code, Railway deployment guide, and real cost breakdown included.
Build a working RAG pipeline with LangChain and OpenAI in 2026. Step-by-step: document loading, embedding with text-embedding-3-small, Chroma vector store, and a retrieval chain that gives accurate, grounded answers.