ai-agent
OPUS-CAT: AI Translation
Get professional translation with OPUS-CAT's local offline MT engine and CAT tool plugins, for founders needing language technology solutions.
85 stars12 forksC#Guide quality 8/10Updated 2/4/2025100% free · open source
What it does
OPUS-CAT enables founders to leverage local offline machine translation and computer-assisted translation tools for professional translation needs.
When to use it
- •When requiring high-quality, offline translation for sensitive or confidential documents
- •For integrating machine translation into existing translation workflows and CAT tools
- •When needing to customize and fine-tune neural machine translation models for specific languages or domains
Ready-to-paste prompt
`opus_cat --model en-fr --input input.txt --output output.txt` to translate a text file from English to French using a pre-trained model
Heads up: Ensure you have the necessary C# runtime environment installed, as OPUS-CAT is built using C#, and some plugins or integrations may require specific runtime versions
Saves to your device
Use with Claude
New
Skip the builder — one click puts this in Claude, Cursor, Antigravity and more.
✅ Light setup
Installs with a command or two; your AI agent can do it for you.
Try it instantly — no install
Claude Code
mkdir -p ~/.claude/skills/opus-cat && curl -fsSL https://workflowstacks.com/api/skills/opus-cat/claude-skill -o ~/.claude/skills/opus-cat/SKILL.mdOpen in another AI app
Opens the app with this repo with the prompt ready to go — no copy-paste needed.
Use with Claude
New
Skip the builder — one click puts this in Claude, Cursor, Antigravity and more.
✅ Light setup
Installs with a command or two; your AI agent can do it for you.
Try it instantly — no install
Claude Code
mkdir -p ~/.claude/skills/opus-cat && curl -fsSL https://workflowstacks.com/api/skills/opus-cat/claude-skill -o ~/.claude/skills/opus-cat/SKILL.mdOpen in another AI app
Opens the app with this repo with the prompt ready to go — no copy-paste needed.
Details
Creator
Helsinki-NLP
Language
C#
Category
ai-agent
Published
12/3/2019
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