ghostship
Phantom users for every pull request.
Every Vercel preview is already an A/B test.
It just has zero users.
You build in hours.
You validate in weeks.
Coding agents collapsed the build cycle. The experiment queue didn't.
Before AI
dev and testing stay in sync
Wk 1Wk 2Wk 3Wk 4Wk 5Wk 6Wk 7Wk 8
Feature 1 dev
A/B test
Ship
Feature 2 dev
A/B test
Feature 3 dev
Dev takes weeks → next feature starts during A/B test. No queue.
Today
features ship faster than you can test them
Wk 1Wk 2Wk 3Wk 4Wk 5Wk 6Wk 7Wk 8
●
Feature 1 — A/B testing2-4 wk
●
Feature 2queued 2+ wk
●
Feature 3queued 4+ wk
●
Feature 4queued 6+ wk
●
Feature 5queued 8+ wk
Dev takes hours. A/B tests take weeks. The queue only grows.
Same 7 features. Two outcomes.
Without GhostShip
~14 weeks to clearRedesigned checkout flow
18d runningNew pricing table
14dSimplified onboarding
11dUpdated hero CTA
8dDark mode support
5dMobile nav redesign
3dFooter link cleanup
1d1 running · 6 waiting · most will prove nothing
With GhostShip
30 seconds5–0Redesigned checkout flow
Ship4–1New pricing table
Ship1–4Simplified onboarding
Kill4–1Updated hero CTA
Ship3–2Dark mode support
A/B test5–0Mobile nav redesign
Ship1–4Footer link cleanup
Kill4 ship·2 killed·1 → real A/B test
7 decisions in 30 seconds.
Only 1 needs a real A/B test.
[ one mention. five verdicts. ]
Works where you already work.
Slack
GitHub PR
Autoplay · loops · actual product flow
[ phantom users deploy ]
Where do I start?
Show me pricing
Good contrast ratio
Gets to the point
Prefer version B
@ghostship in Slack with any preview URL
30 seconds. Not 3 weeks.