Behavior designer 101 → 301.
Setup, then eight concept modules. Each pairs a short article with a hands-on playground and a portfolio artifact. Read in order or jump around — modules never gate each other.
8 of 9 modules live
Get your key
Bring your own model access. Five minutes to set up, then every playground is yours.
Prompts as design
A prompt is a design variable. Treat it like a brand-voice swatch, not a magic spell.
Voice & tone
Style is composable. Move warmth, verbosity, directness as independent dials.
Personas for AI
Character design isn't decoration. Backstory, beliefs, and blind spots shape every response.
Refusal & boundaries
Where the model says no is a design surface. Over- and under-refusal both fail users.
Output formatting
Lists, headings, JSON, paragraphs. Format is part of voice; pick one on purpose.
Evaluation
Rubrics + sample sets. Score behavior the same way you score a usability study.
Multi-turn flows
Conversations have shape. Choreograph turns the way you'd choreograph an onboarding.
Putting it together
End-to-end project. Brief → persona → tone → sample → reflection. The case study is the deliverable.