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Cobalt
Give your coding agent its own computer
Cobalt is an AI developer that works on your GitHub repository from its own cloud computer. Describe a task, watch your app change live, and come back to working software - no local setup required.
Hey Product Hunt 👋
We’re launching Cobalt—an AI developer with its own cloud computer.
The idea behind Cobalt is simple: coding agents don’t only need better models. They need somewhere real to work.
Real software development involves more than editing files. It requires dependencies, databases, services, Docker, tests, credentials, a running application, and enough time to complete the job. Much of that still falls back on the developer to configure and supervise locally. And git worktrees are not the solution, they simply add to the confusion!
With Cobalt, you connect a GitHub repository and describe the outcome you want. Cobalt creates an isolated cloud computer, works directly in the repository, runs the tests, starts the application, and shows you the result through a live browser preview. It keeps working after you close the tab and returns the finished change as commits and a pull request.
Each task has its own computer, so features, bug fixes, prototypes, and experiments can run in parallel without additional local checkouts or worktrees.
We initially thought the main problem was giving a coding agent remote compute. This is what Cursor, Codex and ClaudeCode can already do. But it turned out that what mattered just as much was persistence and the feedback loop: letting the agent run the complete application, letting you inspect the result while it works, and returning something reviewable rather than a collection of suggested edits.
If you already use coding agents on real repositories, I’d particularly value hearing where your current workflow still breaks down.
Thanks for taking a look at Cobalt. I’ll be around throughout the launch to answer anything.
About Cobalt on Product Hunt
“Give your coding agent its own computer”
Cobalt was submitted on Product Hunt and earned 3 upvotes and 1 comments, placing #158 on the daily leaderboard. Cobalt is an AI developer that works on your GitHub repository from its own cloud computer. Describe a task, watch your app change live, and come back to working software - no local setup required.
On the analytics side, Cobalt competes within Productivity, Developer Tools and Artificial Intelligence — topics that collectively have 1.7M followers on Product Hunt. The dashboard above tracks how Cobalt performed against the three products that launched closest to it on the same day.
Who hunted Cobalt?
Cobalt was hunted by Vladimir Petrov. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Cobalt including community comment highlights and product details, visit the product overview.
Vladimir Petrov