Play opus

Download and install the latest version of Filestar.
Right click on one or more Opus file(s) on your desktop and select Convert with Filestar.
Type play in the search box.
Press Run.

Or let an AI agent do it: filestarcli -i file.opus -c "play" (how).

Let your AI agent play OPUS

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

Or add it in one click:

Claude Code:

claude mcp add filestar -- npx -y [email protected] mcp

Then ask your agent:

“Use Filestar to play OPUS in my Downloads folder”

Or run it yourself:

filestarcli -i file.opus -c "play"

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 play OPUS?

Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.opus -c "play" on your computer, so your files stay on it.

Using Filestar With AI Agents · Download SKILL.md

What is .opus?

Name: Opus Audio File
Extension: .opus
Format: Binary
Category: Audio
Developer: Xiph.Org
Description: An OPUS file is an audio file created in the Opus format (also called "Ogg Opus"), a lossy audio format developed for Internet streaming. It uses both SILK (used by Skype) and CELT (from Xiph.Org) codecs and supports variable bit rates from 6 kb/s to 510 kb/s.
MIME Type: audio/opus
Sample: sample.opus
Wikipedia: .opus on Wikipedia

Play Opus Today

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