Observed arrival · 2026-08-22
ProtonLoop Turns Prototype Review Into a Spatial, AI-Assisted Loop
A review tool for AI-built prototypes, HTML mockups, screenshots, PDFs, and React artifacts, with pinned canvas notes and Claude/Cursor integrations.
Why it surfaced
ProtonLoop anchors feedback to exact pixels and DOM components, preserves notes across versions, and lets teams pull open comments into Claude or Cursor for automated revisions. Its zero-login reviewer flow and multi-page project decks give the otherwise familiar collaboration pitch a concrete mechanism.
A review tool for AI-built prototypes, HTML mockups, screenshots, PDFs, and React artifacts, with pinned canvas notes and Claude/Cursor integrations.
Observed signals
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