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

# Build mode

> Use Build mode when you want PeachJam to implement and verify changes in your app.

> Use Build mode when you want PeachJam to implement and verify changes in your app.

## When to use it

Build mode is the default mode for changing a project. Ask for concrete product behavior, UI changes, data modeling, or publish preparation.

## How to prompt

Give PeachJam one clear change, include constraints, and mention what should stay unchanged. The builder updates the app and reports what changed.