Everything your AI needs to
build your next idea.
Works with any AI
Our mission is democratizing building on the web. We want to make it easy and fun for humans to express ideas and unleash their creativity by building apps, websites, blogs, stores and more.
Spacefast is not an AI builder. Connect your favorite AI to it, and your agent will get the skills, tools and the infrastructure it needs to build better and faster.
Each thing you make gets its own Space. Create a share link or make it public before sending it to anyone. No account needed to get started.
A chat window where Maria asks for a deck and a live Spacefast link arrives, with a claim card counting down its expiry.
Spaces are private by default, so nothing goes public by accident. Invite a few people, share a private link, or make it public whenever you’re ready.
A Sharing panel where Private is switched on, four people are invited, and public link access is off.
Try things without worrying. Each change to your Space saves a version, so you can always go back to one you liked more.
A Version History window listing kept versions: Live now, Before Maria’s edits with a Restore button, Chart swapped, First publish.
Turn on comments to hear what people think, right where it applies. Take care of them yourself, or let your AI handle it.
A published page where a comment from Maria is pinned to the exact bar of a chart, beside a chat thread confirming you can leave comments in the project itself.
Every Space comes with a database, so your app can keep sign-ups, scores, or orders. Nothing to set up first.
A reading list as a table of books, each with the date it was added, and a new one arriving at the top just now.
Let the people who use your app upload photos, documents, and videos. They’re saved right in your Space, with nothing extra to set up.
An Uploads window with a photo, a menu and a video, and one more photo finishing its upload.
Views, visitors, and your top pages, counted for you. There’s no tracker to add.
A Stats window showing this week’s views and visitors, with a bar for each day and today’s the tallest.
Tell Claude, ChatGPT, or any other AI to use Spacefast, and you’ll get a link back right in the chat. Keep making changes whenever you like, and anyone with the share link will see them.Publish supported Next.js, TanStack Start, Astro, and PHP projects. Runtime features depend on the deployment path, so check the guides before your AI starts.
A Mac desktop: ChatGPT showing Spacefast’s publish card for a finished deck, Claude publishing a pricing page while the same card goes from Publishing to Live and answering with the link, then asked what changed and showing Spacefast’s Deployments card for the live version, and a notification confirming the page is live at mellow-fox.space.fast.
Connect with your AI to get started
Drag a folder or zip onto drop.fast. No terminal, no account.
A browser window at drop.fast with a dashed drop zone, and a zip file being dropped onto it.
Connect a repo at git.spacefast.com. Pushes to main go live, and other branches get preview links.
A browser window at git.spacefast.com listing branches: main publishing to production, a feature branch getting a preview link.
One command from any terminal. Rollback, sharing, and domains are scriptable too.
A terminal running npx spacefast publish and replying: Live at quiet-sun.space.fast.
$0no card required
$5/month
Everything in Personal, plus:
$15/month
Everything in Go, plus:
Custom pricing
Everything in Pro, plus:
Start with publishing with MCP, or a recipe you can build on.
Ask your AI to publish with Spacefast. It replies with a live address. New spaces are private, so create a viewer link before you share it.
No. Publish without one and you get a live address plus a private claim link. Sign up when you want to keep the space.
Static HTML, presentations, games, and apps built through supported Next.js, Astro, or TanStack Start paths. Check the framework guides for runtime requirements.
Yes. Ask your AI to publish again and the same link updates. Each change saves a version, and you can roll back to any version still in your history.
New spaces are private: the URL alone doesn’t grant access. Invite people, create a share link that works for anyone holding it, or make the space public. Search indexing is a separate setting.
Download the files from any retained version. Static sites usually move to another host as they are. Apps on Spacefast runtimes need code changes, and app data exports separately.
Claimed spaces stay live until you unpublish them, at the same address as you publish changes. Unclaimed Spaces normally expire 33 hours and 20 minutes after creation or the latest publish that changes files, capped at 30 days from creation. Claim the Space to remove anonymous expiry. Retained versions follow the plan’s history policy.
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