Juraj Macák

Writing · 4 articles

Articles

Measured notes on shipping mobile apps with AI agents. What held up, what broke, and the numbers behind both. Newest first.

2026

  1. Latest

    Your requirements live in a chat window

    Six rules from fifteen real OpenSpec changes for writing project docs an agent can't misread, including the one that says a proposal is allowed to fail.

    7 min

  2. Two hooks that hold every time, and what breaks them

    Two Claude Code hooks that block bad Swift before it ships, the exit-code contract behind them, and a subshell bug that let one through anyway.

    6 min

  3. What survives of prompt engineering

    I taught prompt writing twice, then measured where the gain was. Three techniques survived agentic work; the rest was decoration.

    7 min

  4. Why your Claude Code sessions burn out so fast

    The limits are not what is emptying your budget. Context hygiene is, and a handful of habits cuts effective usage in half.

    6 min

Notes