Problem[01]
Five hours for one bite
The bite came late in the afternoon, after hours of casting from the same spot. Finding it means scrubbing through water, sky and the floor of the boat on the chest cam.
For Fishing and outdoor filmmakers
Every catch on the card, from cast to release
A chest cam, a boat mount, a GoPro under the surface and a drone, all day on the water. Ask for the moment the fish was hooked and get the in point, with the netting and the release after it.
14 days free, then $59 a year or $7.99 a month. Works with your Claude or ChatGPT plan; timelines need DaVinci Resolve Studio 21.1+. Clip descriptions are optional and use your own API key, billed by Anthropic or OpenAI.
Works withA Mac with Apple silicon · macOS 26+
ClaudeClaude Desktop and Claude Code
ChatGPTThe ChatGPT Mac app and Codex
DaVinci Resolve Studio 21.1Timelines through its own MCP server
Any drive or NASThe Prewatch folder travels with the media
Problems
What slows Fishing and outdoor filmmakers down
Problem[02]
“Fish on” is the only log
The best markers are what you shouted. Without a transcript, “it's following”, “fish on” and “he's off” are just noise somewhere in a 40-minute file named GX010482.
Problem[03]
The trip edit stalls
Three days on the water from four cameras. The episode needs every catch in order, from cast to release, and nobody has time to watch it all again.
What Prewatch gives you
Your footage, already watched
Prewatch indexes every clip on your Mac, so Claude or ChatGPT knows what is in your footage and can build the cut with you in DaVinci Resolve Studio.
| What you get | Where it runs | What it does for you |
|---|---|---|
| Catches, cast to release | Claude or OpenAI | Casts, hook-ups, the netting, the fish held up and the release, each with in and out points and a 1–5 usability score. With your own Claude or OpenAI API key. |
| Heard on the boat | Claude or OpenAI | “Fish on”, “it's following the lure” and “last cast” read from the transcript as moments, timed to the line that says them, even when the fish is out of frame. |
| Talk transcribed | On your Mac | What's said in each clip, transcribed on the Mac's GPU in the language spoken, with an English translation: rough offline, better with your API key. |
| Water, wind and motors | On your Mac | Splashing water, wind on the mic and the outboard heard and timed in each clip, tagged on the Mac with Apple's sound classifier. |
| Boat footage, judged fairly | On your Mac | Every shot classed steady, handheld or shaky. When most of a camera's footage is shaky, as on a chest mount or underwater, its moments aren't marked down for it. |
| The episode built in Resolve | Your AI app | Claude or ChatGPT lays the chosen catches on a timeline in DaVinci Resolve Studio 21.1 or later, through Resolve's own MCP server. |
Prewatch · ClipsMac app
The screenshot arrives with the app
Ask it
One question instead of a day of scrubbing
You ask in Claude or ChatGPT. Prewatch answers with the clips, the seconds and the timecode, and your assistant builds the timeline in DaVinci Resolve Studio.
01
Find every fish we netted on day 2.
The netting moments from that day, from every camera, each with in and out points and the hook-up before it when one was found.
Your AI app02
Where did the big one get off?
The moments the line snapped or a fish got off, from the frames or from what was said, with the clip and the time.
Your AI app03
Cut a four-minute episode, one catch per beat.
A timeline in DaVinci Resolve Studio with each catch from cast to release, in the order of the trip.
Your AI appHow does it know when a fish is hooked?
With descriptions on, the model reads the keyframes and the transcript and reports moments such as a cast, a hook-up, a netting, a release or a snapped line, marked uncertain when it isn't sure. It is a model's reading of stills and speech: good for finding the moment, not proof of it.
Does it work with GoPro and underwater footage?
Yes. Protune, field of view, stabilization and the ISO limits are read from GoPro files (HERO5 and later), and DJI drones' .LRF proxies are used when they are on the card. Shaky chest-cam and underwater shots are still scored on sharpness and exposure, so a good catch rises to the top.
Most of the day is water and waiting. Does that cost much?
A clip in which nothing changes simply has no moments, and takes where the picture barely changes are flagged on the Mac. Describing a long take costs about one cent on the default model, and Settings shows the cost per clip before you turn it on.
Does it work with the free version of DaVinci Resolve?
Building timelines by chat needs DaVinci Resolve Studio 21.1 or later, whose built-in MCP server lets your assistant work in Resolve. With the free version you can still index your footage, search it and ask Claude or ChatGPT about it, then place the clips yourself. A file handoff that the free version can import is planned.
Try it on your own footage
Point Prewatch at a folder you have already shot, then ask about it in Claude or ChatGPT.
14 days free, then $59 a year or $7.99 a month. Works with your Claude or ChatGPT plan; timelines need DaVinci Resolve Studio 21.1+. Clip descriptions are optional and use your own API key, billed by Anthropic or OpenAI.