Edit raw footage by describing the video you want
Community report: you upload footage, a prompt, or both, and Cardboard builds an editable first cut. You then refine it through chat or on the timeline. The sample documentary took 12m 36s of agent work and came out at 65 seconds with 73 shots, 29 of them generated, and 13 narrated lines.
- 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 52 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: edit raw footage by describing the video you want. 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: edit raw footage by describing the video you want.
- 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=47170174. Our summary is a paraphrase; details are in the source.