Show HN: Cupertino – Offline Apple docs for AI agents (22K pages, MCP, Swift)

The author presents Cupertino, a tool that crawls Apple Developer Documentation and serves it to AI agents via MCP for offline use, addressing AI hallucinations when working with Apple APIs. It's built with Swift 6.2 and features sub-100ms search queries. The initial crawl takes around 20 hours, but it's a one-time operation. The project is available on GitHub.