About host0
host0 is a hosting service for whatever an AI agent creates. HTML files, static sites, apps with a shared database, Markdown and PDFs go live at a link you can share.
What it does
- Publishes from your agent through a skill, REST API or CLI, or from your browser when you drop a file. It works with Claude Code, Codex, Cursor, Grok Bot, Hermes and any other agent.
- Keeps new apps private. You can invite people by email, open an app to anyone with the link, or make it public on the web so search engines can find it.
- Gives an app a shared database when it declares collections in an
h0.json, with no server code. - Counts visits without cookies, keeps numbered versions you can restore, and puts an app on your own domain on Pro.
What it doesn't do
host0 doesn't generate anything. You bring the agent, and host0 is the step after it. Apps are static files plus the platform's records API, so you can't run your own server code on host0 yet.
What it costs
Free plan, no card. Pro is $9 a month. See pricing.
Where apps run
Apps are served from Cloudflare on host0.app, a separate domain from host0.ai, where you sign in. That keeps an app's code away from your account.