Course catalog

Learn Go from the first line, with a compiler that checks every one of them. You write code in the browser, the trainer builds it and runs it against real tests, and the errors you get are the same errors a working Go developer gets. Twenty-eight lessons, thirteen graded exercises, from func main to goroutines and channels. Free.

~/courses/go-basics$ cd ~/courses/go-basics

Build a working MCP server out of the standard library, one JSON line at a time. No SDK, no framework, no magic: you type every field that goes over the wire, and the trainer runs your code and checks the bytes. You learn the current stateless revision 2026-07-28, and you also learn to recognise the handshake era that most deployed servers still speak. Twelve lessons, seven graded exercises, free.

~/courses/mcp-python$ cd ~/courses/mcp-python

A hands-on course on building Telegram bots in Python with aiogram 3.x: from your first handler to a bot in production. Routers, FSM, a database, deployment, and the whole path through one end-to-end project.

~/courses/aiogram3-telegram-bots$ cd ~/courses/aiogram3-telegram-bots

For developers who already write Python and want to write it like an engineer people trust with production. Dunder methods, decorators, generators, protocols, typing, tests and asyncio: 64 lessons and 22 tasks the trainer checks the moment you run them, including hidden tests and time limits a naive solution cannot pass.

~/courses/python-advanced$ cd ~/courses/python-advanced

Get real work out of AI assistants, even if you have never used one. You learn to write prompts that actually work, draft and edit faster, make images, and tell a good answer from a confident wrong one. No coding, no jargon, just the skill that is quietly becoming part of every job.

~/courses/ai-tools$ cd ~/courses/ai-tools

Learn SQL by running real queries against a real database from the first lesson. Every task is a query you write in the browser, and the trainer runs it against a live SQLite database and checks the result instantly. No setup, no theory you have to take on faith, just the one skill every data job asks for.

~/courses/sql-data$ cd ~/courses/sql-data

Turn a plain Telegram bot into one that actually understands the person typing to it. You wire a real language model into aiogram handlers, keep conversation memory, add tools and function calling, and hold latency and cost under control. Every module ends with a hands-on task the trainer checks the moment you run it.

~/courses/ai-telegram-bots$ cd ~/courses/ai-telegram-bots