Start with a simple core
Pick 3 to 5 traits and write them like bullet points. Keep it short and clear. Then expand with examples. You can always add depth later.Great personalities are specific. “Helpful” is fine. “Helpful with dry
humor” is better.
Write with examples
Give the model samples of how the verb should respond. Short examples are perfect.Balance tone and boundaries
- If the verb is playful, say where it should still be serious.
- If the verb is sarcastic, say when to avoid it.
- If the verb is formal, say when it can relax.
Do this
Do this
- Use concrete behaviors.
- Add phrases the verb loves to use.
- Describe how it reacts when confused.
Avoid this
Avoid this
- Contradicting traits.
- Huge walls of text with no examples.
- Instructions that fight the system prompt.
Keep it consistent
If the voice feels off, reduce complexity before adding more. A tight core beats a giant block of lore every time.AI engine
Tune creativity after the personality feels stable.

