Video Shotcraft
Turns your product's real pages into an edited promo video with music and sound
by Yihao
earshot
by Leon LinConnectorMake video or audio
Lets your coding agent hear audio and judge sound effects, music and film soundtracks
The problem it solves
Your coding agent builds a film or demo but cannot hear it, so it cannot tell that a hit lands late or the music swells in the wrong place.
For Film and demo makersDevelopersSound designers
- Before
- You listen to every render yourself and tell the agent what is wrong with the sound.
- After
- The agent reads a listening transcript and a scorecard, and proposes timing and level fixes with timestamps.
- Stars
- ★ 4.1k
- License
- MIT
- Cost
- Free
- Level
- Advanced
- Runs
- Local
Screenshots
From the project's own repository.
Overview
earshot gives a coding agent measured readings of sound: what a file sounds like in words, how well it fits a description, where the cleanest moment is, and how a film's sound compares with professional launch films. It runs on your CPU as a command line tool, a Python library and an MCP server, and it can also render a bank of 252 sound effects made in code. It suits makers who build films or demos with a coding agent.
It turns sound into words and numbers an agent can act on, and audio stays on your computer by default.
Try these first
Start with the first one: it is a small task you can check easily.
- Describe what [audio file path] sounds like and give its loudness.First try · read-only
- Find the cleanest single key press in [recording path] and give me the trim start and end times.read-only
- Critique [film path] and list the fixes to make first, with timestamps.reads video
- Render a short whoosh from the sound bank for a cut at 2 seconds and save it to [output path].writes files
Example prompts written by Agent Flows Hub.
Capabilities
From the creator's documentation.
| Toolset | What your agent can do | Access |
|---|---|---|
| Describe | Says what a file sounds like in words, with loudness and other measurements | Read |
| Match and find | Scores how well a description fits and finds the cleanest moments in a long recording | Read |
| Timeline and sheet | Makes a second-by-second listening transcript and an annotated picture of a film | Read + write |
| Critique | Scores a launch film against a profile of seven professional launch films | Read |
| Sound bank | Renders sound effects stored as code, aimed at a moment in the picture | Read + write |
| Optional Gemini critique | Sends audio to Gemini only with your own key and explicit consent | Read |
Good to know
You build a film or product demo with a coding agent, which cannot hear the sound it makes. earshot lets it describe a recording, find the cleanest moment in a long file and score a film's soundtrack, so it can fix timing and level problems by reading numbers.
Limits
- Setup needs uv and ffmpeg, and the first run downloads two models of about 1.1 GB in total.
- Each command line call loads the models again (about 20 to 40 seconds); use the MCP server for more than a few calls.
Notes by Agent Flows Hub (original project name: earshot), written from the creator's documentation, not from running it ourselves. earshot: README · earshot: what it can and cannot judge
Stuck setting it up?
Tell us what happened. We take a look first; if it needs paid work, you get an estimate before anything starts.
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