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Screenshot previews for GitHub PRs

preview.new sets up a GitHub agent that takes screenshot previews of your dev server so you can visually verify your pull requests.

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Screenshot agent

An agent boots your dev server and captures screenshots of your UI on every PR.

GitHub comments

Screenshots are posted directly to your PR as comments for easy review.

Isolated VMs

Each PR runs in a dedicated VM with your exact dev environment.

Configured repositories

No preview configs yet. Connect GitHub and import a repository to get started.

From the creators of

Want UI screenshots for your code reviews? Check out cmux - an open-source Claude Code/Codex manager with visual diffs!

cmux - Manage AI coding agents in parallel — 10x your 10x engineers