Harbor
#3 in AI Web DevelopmentStripe · since Mai 2026 (laut Department of Product: "Since May" produziert; Stripe-Blog-Beitrag vom 14.09.2026) · 2× · last seen Oct 15, 2026
57
Momentum
Harbor is Stripe's internal AI-assisted prototyping tool. It lets employees generate interactive prototypes from natural-language descriptions, using Stripe design components and mock data, rendered in the browser. Stripe's blog describes it as an internal tool; sources report about 40 days of development by one engineer. It is not publicly available.
Momentum trend
18.07.16.10.
Features
| Integrations | Connects to other internal Stripe tools; Stripe design system components |
| Collaboration | Prototypes shareable internally; comments linked to versions; agents work comments |
| Platform | Internal Stripe web application; prototypes compiled and rendered in the browser |
| Release Date | May 2026 (producing since May; blog post 2026.9.14) |