Launch HN: Kino AI (YC S23) – AI media manager and video editor

Hi HN! I'm Luke from Kino ( https://kino.ai ). Kino lets you make great videos with your agents and your teammates. Storage of footage and assets, a rich video editor, and review links for teammates are all bundled into one. Your colleagues and Codex / Claude Code can work on the same timeline with review notes and footage all in one place. See a basic overview at https://kino.ai/walkthrough-video and our launch video (made entirely with Kino!) at https://kino.ai/launch-video Opus 5.5 can edit videos and make great motion graphics now. But with a raw agent harness, you need to describe tiny edits either in words or in quick one-off UIs, you can’t refer to footage shared across your devices, and feedback from teammates comes as screenshots on Slack. Kino is code-first. All editing, all motion graphics, all dragging of timeline items around, all teammate comments, and all 3D scenes are expressed as code, built on Remotion. This was hard to get right, as we found ourselves building a what-you-see-is-what-you-get editor for React, which we then turned into a video editor. For our launch video I told Claude-with-Kino to find a macOS Leopard install disk and reskin our whole video to mat