Claude Code — Complete Beginner's Guide [2026]
TL;DR: Claude Code is an agentic terminal interface that gives full filesystem access and far more capabilities than the standard browser Claude. In practice it is the key tool — you can not only code, but also analyze data, do competitor research, generate PRDs and design UI. The Max plan (USD 100/mo) is the minimum for comfortable all-day work.
Full article body is in Polish — an English translation is on the roadmap. The Polish version is available at https://bartoszgaca.pl/baza-wiedzy/claude-code/podstawy/.