# Quick Start
Set up GitHub auth first (required for PR creation, CI checks, and review metadata).
```bash
# Option A (recommended): use GitHub CLI auth
gh auth login
st auth --from-gh
# Option B: enter a personal access token manually
st auth
# Option C: provide a stax-specific env var
export STAX_GITHUB_TOKEN="ghp_xxxx"
```
By default, stax does not use ambient `GITHUB_TOKEN` unless you opt in with `auth.allow_github_token_env = true`.
```bash
# 1. Create stacked branches
st create auth-api
st create auth-ui
# 2. View your stack
st ls
# ◉ auth-ui 1↑
# ○ auth-api 1↑
# ○ main
# 3. Submit PRs for the whole stack
st ss
# 4. Sync and rebase after merges
st rs --restack
```
## Next
- [Interactive TUI](../interface/tui.md)
- [Merge and Cascade](../workflows/merge-and-cascade.md)