AI-Driven Developer
Калина Сергій 
Complete guide to streaming with the Claude API in Python: text_stream, the raw event protocol, async streaming, error handling, and a FastAPI endpoint that streams to the browser via SSE.
How Claude’s prompt caching works: cache breakpoints, pricing for cache writes vs reads, the 1-hour extended TTL, and real cost-savings examples for RAG apps and agents.
Master Claude’s tool use API: define tools with JSON Schema, handle multi-step and parallel tool calls, force tool choice, stream tool inputs, and build a complete multi-tool agent.
Complete guide to WordPress AI plugin development: settings page, OpenAI API wrapper, secure AJAX handlers with nonces and capability checks, and a Gutenberg sidebar panel.
Step-by-step guide to building an AI Telegram bot with PHP: webhook setup, conversation history, OpenAI replies, commands, inline keyboards, and ngrok for local development.
Complete guide to ChatGPT PHP integration: official SDK, raw cURL, conversation history with sessions, streaming SSE responses, a working chat form, and error handling.
Hands-on tutorial: generate embeddings with OpenAI, store them in ChromaDB, build semantic search with metadata filtering, and index a PDF for Q&A — all in Python.
Step-by-step guide to building a web AI chatbot with PHP: OpenAI API integration, session-based conversation history, streaming SSE backend, and a clean HTML/JS frontend.
Complete guide to the openai-php/client library: chat completions, streaming, function calling, embeddings, image generation, audio transcription, and error handling with code examples.