n8n + Claude API: Complete Automation Guide (2026)
How to build powerful AI automations using n8n and Claude API — webhooks, HTTP nodes, prompt chaining, and real workflow examples.
Калина Сергій
LangChain for Beginners: Complete Guide (2026)
A practical introduction to LangChain — chains, memory, agents, and RAG — with working Python examples you can run today.
Claude API Node.js & TypeScript Tutorial: @anthropic-ai/sdk, Streaming & Prompt Caching (2026)
Complete guide to @anthropic-ai/sdk for Node.js and TypeScript: messages.create, streaming responses, prompt caching with cache_control (ephemeral), multi-turn conversations, and error handling. Working code examples for every step.
How to Configure Cloudflare for WordPress: Caching & Security Headers
If you run a WordPress blog, Cloudflare is one of the highest-leverage free tools you can add. It sits between your visitors and your server, caches pages so your origin never gets hammered, and lets you add security headers in seconds — no plugin required. In this guide you will configure Cache Rules and Security … Read more
How to Build an MCP Server with Claude: Complete Tutorial (2026)
Learn how to build a Model Context Protocol (MCP) server in Python and connect it to Claude Desktop or Claude Code. Step-by-step tutorial with working code examples.
RAG Tutorial with Python: Build a Retrieval-Augmented Generation System
Learn how to build a RAG (Retrieval-Augmented Generation) system from scratch in Python. Covers embeddings, vector search, and generation with Claude API — with a complete working example.
Claude API Pricing Explained: What Does It Really Cost in 2025?
A practical breakdown of Claude API pricing — model tiers, token costs, prompt caching, batch discounts, and real-world cost examples to help you budget your AI projects.
Prompt Engineering Guide for Developers: Best Practices & Techniques (2026)
Master prompt engineering for the Claude API — system prompts, few-shot examples, chain of thought, JSON output, XML tags, caching, and 10 best practices with working Python code.
How to Build an AI Agent with Python: Step-by-Step Tutorial (2026)
Learn how to build an AI agent with Python from scratch using the Claude API — tool use, agent loop, function calling, and a complete working example you can run in minutes.