Comprehensive Guides
In-depth comprehensive guides covering technical topics from fundamentals to advanced
16 guides
Guide · 30 min read
Build a real-time collaborative todo app with Supabase and Next.js. Covers Postgres database, Row Level Security, email auth, realtime subscriptions, and Edge Functions. Every step tested live on Supabase's free tier.
Guide · 25 min read
Master MCP from architecture to production. Learn the client-server protocol, build custom servers with TypeScript and Python SDKs, connect to real MCP clients, and deploy secure integrations for AI-powered workflows.
Guide · 15 min read
Drop a lead's email and company URL into an n8n form. The workflow scrapes the company site, sniffs the tech stack, flags hiring/pricing/compliance signals, then asks gpt-5-mini to return a fit score, 3 reasons, and a personalized cold email. Schema-validated JSON output ready for CRM.
Guide · 16 min read
A daily-scheduled n8n workflow that fetches your competitors' pricing and feature pages, hashes them against yesterday's snapshot in n8n static data, computes a sentence-level diff, and ships only the meaningful changes to Slack — powered by gpt-5-mini. Complete branching workflow with IF logic.
Guide · 16 min read
An n8n workflow that pulls Hacker News, Dev.to, and GitHub Trending in parallel every morning, AI-summarizes each item in one sentence, then ships a Block Kit Slack message with clickable links. Schedule-triggered, merges three data shapes, and uses `gpt-5-mini` via free credits.
Guide · 17 min read
Wire a chat trigger to an AI agent with windowed memory and retrieval from a live URL. The workflow fetches the page on every question, chunks it, ranks chunks by query relevance, and grounds gpt-5-mini's answer with source citations — no vector DB, no embeddings bill.
Guide · 14 min read
Paste any article URL into an n8n form and get a hook-first, 5-9 tweet thread written in your chosen tone — with strict structured JSON output via LangChain's Output Parser. Built, imported, and saved live on n8n cloud with gpt-5-mini.
Guide · 18 min read
Build an n8n workflow that takes a YouTube URL plus transcript and returns a fully structured, SEO-optimized blog post in Markdown — with a real AI chain, oEmbed metadata lookup, and a prompt tuned for four different editorial styles. Workflow imported, configured, and executed live on n8n cloud.
Guide · 25 min read
Build a fully automated AI newsletter that fetches the top 10 Hacker News stories daily, summarizes each with GPT, and formats a polished digest email — all in n8n's visual canvas. Every node was wired and executed live on n8n cloud. No code required beyond one simple JavaScript snippet.
Guide · 35 min read
Turn your n8n instance into an MCP server and connect it to Claude Desktop, Cursor, or any MCP client. Every workflow becomes a natural-language tool. Built and tested live on n8n Cloud — Node.js is the only prerequisite.
Guide · 20 min read
Build a fully working RAG chatbot in Dify's visual builder — no code required. Every step was executed live on cloud.dify.ai and produces real output. Covers model setup, Knowledge Base creation with hybrid search, Chatflow wiring, live testing, and API integration.
Guide · 25 min read
Build a working Retrieval-Augmented Generation system in 5 verified steps — every code block runs in Docker and produces real output. Covers chunking, OpenAI embeddings, ChromaDB, hybrid BM25+vector search, cross-encoder reranking, and RAGAS evaluation. No Cohere required.
Guide · 60 min read
Complete OpenClaw guide for 2026: install on Windows/Mac/Linux/Docker, wire 20+ messaging channels, use ClawHub's 13,700+ skills, self-host on VPS.
Guide · 20 min read
Master AI security with the OWASP Top 10 for LLM Applications 2025. Learn to identify and defend against prompt injection, data poisoning, output handling flaws, and agent-specific threats with practical code examples and real-world mitigations.
Guide · 15 min read
Master RAG system development from architecture to production. Learn embedding models, vector databases, chunking strategies, hybrid search, reranking, evaluation with RAGAS, and best practices for building reliable retrieval-augmented generation pipelines.
Guide · 12 min read
Master AI agent development from fundamentals to production. Learn agent architectures, popular frameworks like LangChain and CrewAI, tool integration, memory systems, and best practices for building autonomous AI systems.