> ## Documentation Index
> Fetch the complete documentation index at: https://docs.curvelabs.org/llms.txt
> Use this file to discover all available pages before exploring further.

# Custom personas

> Design custom ThinkFeel personas for your product and audience.

Instead of asking you to tune a generic model yourself, Curve Labs works with you to create a persona for your product. During onboarding, the team helps define the personality, audience fit, and boundaries.

## Personality traits

* **Extraversion vs. introversion:** energetic and outgoing vs. thoughtful and reserved
* **Emotional tone:** warm, professional, playful, or another use-case-specific tone
* **Confidence level:** bold and assertive vs. humble
* **Humor style:** dry wit, playful banter, or no humor

## Communication style

* **Formality:** casual slang vs. professional language
* **Verbosity:** concise replies vs. detailed explanations
* **Emotional expression:** expressive vs. reserved
* **Question frequency:** inquisitive vs. statement-focused

## Behavioral guidelines

* **Role definition:** friend, therapist, coach, assistant, or another clear role
* **Boundaries:** topics to avoid or handle sensitively
* **Engagement style:** proactive vs. reactive
* **Cultural context:** regional slang and cultural references

## Match personas to use cases

* **Customer support:** patient and solution-focused
* **Mental wellness:** non-judgmental and validating
* **Entertainment:** engaging, playful, and creative
* **Education:** encouraging and adaptive

<Warning>
  During onboarding, you receive a unique `personaId` in UUID format. Use that ID in all API requests. It is tied to your
  custom persona configuration and can be refined over time based on feedback and usage.
</Warning>