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Harbor: Stripe’s AI-assisted prototyping tool

Stripe staff engineer Cristian Rivera created Harbor, an internal AI-assisted prototyping tool, according to a Stripe post authored by technical writer Sai Samant. Rivera works on Stripe's Web Presence and Platform team, which builds stripe.com and its surrounding sites. The post names Rivera as Harbor's creator but provides no further details on the tool's capabilities or release.

by read1 min views1 publishedSep 14, 2026
Harbor: Stripe’s AI-assisted prototyping tool
Image: Stripe (auto-discovered)

Cristian Rivera

Cristian is a Staff Engineer on Stripe's Web Presence and Platform team, which designs and builds what is, for many, their first impression of Stripe: stripe.com and the sites around it. He created Harbor, Stripe's internal AI-assisted prototyping tool.

Sai Samant

Sai Samant is a technical writer at Stripe working across the engineering organization.

source & further reading
stripe.dev — original article AI didn't write our SDK. It changed how we built it. Building a data plane from scratch: Stripe’s own high-performance distributed proxy Reading the signals: Helping your AI-built payment integration understand business intent
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