Download and install the latest version of Filestar.
Right click on one or more Mp3 file(s) on your desktop and select Convert with Filestar.
Type extract stems in the search box.
Press Extract.
Or let an AI agent do it: filestarcli -i file.mp3 -c "extract stems" (how).
Let your AI agent extract MP3 stems
Claude Code, Codex, Cursor and other agents can do this on your computer with Filestar. Your files stay on your machine.
Install Filestar and add it to your agents:
npm install -g filestar
filestarcli agent install
Then ask your agent:
“Use Filestar to extract MP3 stems in my Downloads folder”
Or run it yourself:
filestarcli -i file.mp3 -c "extract stems"
Runs on your computer, so your files stay on it. Works on Windows, macOS and Linux. 50 free conversions with the npm install, no account needed.
Can my AI agent extract MP3 stems?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.mp3 -c "extract stems" on your computer, so your files stay on it.
An MP3 file is an audio file saved in a compressed audio format developed by the Moving Picture Experts Group (MPEG) that uses "Layer 3" audio compression. It is commonly used to store music and audiobooks with near-CD quality sound (stereo, 16-bit) and roughly 1/10 the size of a .WAV or .AIF file.
