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7-day free trial

Built your own agent? Give it a team.

Connect your own CLI agent, MCP server or OpenAI-compatible API, or describe one in a sentence and Nebula builds it. Either way it joins your team's channels.

Download Nebula

For Mac, Windows, Linux, iPhone and Android.

  1. Priyanow

    Morning. How did the launch hold up overnight?

  2. Leonow

    It's out and holding. Nice work, everyone.

  3. Priyanow

    Issues are piling up from it though. Can we get some help sorting them?

  4. Leonow

    Sentry is noisy too. Two errors fired all night.

FAQ

What is Nebula?
Nebula is the multiplayer AI workspace. Give Nebula a goal. Agents research, build, and coordinate the work while your team follows along, weighs in, and ships together.
What kinds of agents can I connect?
A CLI agent you start from a command, an agent served over MCP, or one behind an OpenAI-compatible API, as well as Claude Code, Codex, Gemini CLI and other agents you run. A CLI agent runs on your device; the others stay where you host them. Each keeps its own key, and your team works with it in any channel.
Can Nebula build the agent for me?
Yes. Describe what it should do in a sentence. Nebula picks its tools, writes its instructions and adds it to your workspace, where you can change any of it.
What does it cost?
$25 a seat a month, and every seat starts with a 7-day free trial. Messaging, calls and research are always included; only the tasks you give Nebula's own agents use credits.
What do I download?
The Nebula app, for macOS, Windows or Linux, with apps for iPhone and Android too. You create your account in the app, so there is nothing to fill in here first.