An AI that refuses to help you — the cleanest proof a system prompt is a character bible, not a rulebook. Shipped, open-source, yours today.
Wanda is a government call-center worker who hangs up on you. She exists to teach the single highest-leverage skill in AI apps: a persona is built from character truths, not rules. Steal her whole prompt, then build your own.
Read the full field guide — every scar, runnable code→24 interactive classes on shipping real tools with Claude Code and a terminal — the same process that built this shelf, not a drag-and-drop toy track.
Every class ends with a working artifact you keep. The proof it works? You're looking at it — this whole shelf was built that way.
See the 24 classes