Croft

# Croft > Croft is hosting for the small apps a team builds with AI assistants. Your assistant (Claude, ChatGPT, Grok, Microsoft Copilot, or any tool that speaks the open MCP standard) writes the app; Croft runs it on your own private server - with a database, enterprise single sign-on for the people you invite, HTTPS, connectors to your other tools, automations, backups, and one-click rollback all handled. Bring your own AI, own your data, no lock-in. Croft is a product of Lupchoo Limited, a company registered in New Zealand. It's built for small, private apps a small or medium-sized business actually needs - a pricing model, a client portal, an internal tracker, a booking sheet, a stocktake tool - shared with the people you invite, not the public. There's a deliberate ceiling: Croft is not for public sign-ups from strangers, native mobile apps in an app store, or serving thousands of people. You can publish public pages and forms (a survey, an RSVP) with results kept private, but the login side is for the people you invite. Key facts: - **Bring your own AI.** Use Claude (free plan or better), ChatGPT (Plus or better), Grok (free plan or better), Microsoft Copilot, Cursor, or any MCP-capable assistant. With your own AI over MCP, Croft does not resell AI or meter tokens - the AI is your own account, and it's the cheapest way to build. - **Croft Build (optional).** An AI chat built into Croft that creates and updates apps without connecting an external assistant. It uses C […truncated]