Build your own video-editing agents on a canvas
Observed in the wild: the page describes Mosaic as a canvas for agentic video editing. You run edits on autopilot and make several variants from the same raw footage to A/B test. The page gives no results, numbers, or limitations.
- Agent or tool
- Custom agent
- Topic
- Media & Content
- Reported on
- Hacker News
- Added
- 2026-10-15
Why it matters
Making content involves a lot of production steps around the creative part. Here an agent takes on some of those steps so the person can focus on the idea. It is one of 62 sightings filed under Media & Content on Agent Sightings (number 29 by interest), and one of 182 involving Custom agent.
How you could try it
Here is a reusable prompt, written by us in our own words, that captures the task. Paste it into your own agent or any similar agent and adjust the details to your situation.
Creative task: build your own video-editing agents on a canvas. Outline first, then draft. Preserve my voice; ask before posting publicly.
The prompt breaks down into 3 steps you can check as the agent works:
- Creative task: build your own video-editing agents on a canvas.
- Outline first, then draft.
- Preserve my voice; ask before posting publicly.
Tip: Start small: run it once on a low-stakes example, read what the agent did, and only then let it run on real work.
Source
Read the original first-hand account on Hacker News: https://news.ycombinator.com/item?id=45980760. Our summary is a paraphrase; details are in the source.