writing / CCAR-F journey / series

Claude certification journey, from a backend engineer's seat

1 part so far / 6 min of reading

Start with part 1

Part 1Claude Agent SDKThe agent loop is just a while loopAn agent is a loop with one decision in it. Every reply carries a stop_reason. tool_use means run the tool, hand the result back and call again.08 Oct 2026 / 6 min read

New parts are added here as they are published.