Open Duet
Open Duet is a self-hosted app that lets you create named AI coworkers with their own instructions, memory, and routines for small team tasks.
What it is good for
- Running recurring research and briefing work without starting from scratch
- Keeping AI helpers organized with their own notes and instructions
- Reviewing and approving actions an AI agent takes before they happen
- Connecting AI agents to tools like Gmail and GitHub with approval checks
At a glance
- Who it is for
- Setup
- Guided command-line setup
Level 4 of 5. You copy and paste commands into a terminal by following the instructions. Comfortable territory for vibe coders.
- Cost
- Free and open source
- Type
- Agent app
- Tasks
- Works with
- Claude Code, Codex CLI, Gemini CLI, Cursor, OpenRouter, Ollama
Momentum
- Rank this week
- Not ranked (last #50, week 40, 2026)
- Best rank
- #50 week 40, 2026
- GitHub stars
- 6,502
GitHub numbers as of Nov 2, 2026. Updated weekly.
Ranking history
Official links
Setup steps are on the official pages. We do not repeat them here, since they change.
Questions
- Is Open Duet free?
- Yes. It is free and open source (Apache-2.0 license).
- Do I need to know how to code to use Open Duet?
- You do not need to write code, but setup means copying and pasting commands into a terminal by following its instructions.
- What does Open Duet work with?
- According to its own documentation, it works with Claude Code, Codex CLI, Gemini CLI, Cursor, OpenRouter, and Ollama.
- What is Open Duet good for?
- Running recurring research and briefing work without starting from scratch, keeping AI helpers organized with their own notes and instructions, reviewing and approving actions an AI agent takes before they happen, and connecting AI agents to tools like Gmail and GitHub with approval checks.
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