cupertino

Overview

Cupertino is a comprehensive local documentation system for Apple platforms that crawls, indexes, and serves Apple's developer documentation through the Model Context Protocol (MCP). It provides offline access to over 285,735 documentation pages across 420 frameworks with fast, searchable SQLite FTS5 database functionality. The project features automatic updates, deterministic search results, and is designed specifically for AI agent integration.

Try asking AI

After installing, here are 5 things you can ask your AI assistant:

• search

  Search Apple documentation, Swift proposals, and sample code

  Try:Search for SwiftUI documentationTry:Find information about Swift ConcurrencyTry:Show me examples of Combine framework usage
• read

  Read a specific documentation page by URI

  Try:Read the SwiftUI View documentationTry:Show me SE-0118 proposal detailsTry:Display UIKit UIButton reference
• list-frameworks

  List all available Apple frameworks

  Try:List all available frameworksTry:Show frameworks related to graphicsTry:Find frameworks with networking capabilities
• list-samples

  List available sample code projects

  Try:List SwiftUI sample projectsTry:Find samples for Core DataTry:Show ARKit example applications

Note: The tool names were explicitly documented in the README under the 'What You Get' and 'Available Sources' sections, with clear descriptions and example use cases.

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Installation

bash <(curl -sSL https://raw.githubusercontent.com/mihaelamj/cupertino/main/install.sh)

brew tap mihaelamj/tap
brew install cupertino
cupertino setup
cupertino serve

{
  "mcpServers": {
    "cupertino": {
      "command": "/usr/local/bin/cupertino",
      "args": ["serve"]
    }
  }
}

FAQ

What documentation sources does Cupertino include?

Cupertino crawls Apple Developer documentation, Swift.org, Swift Evolution proposals, Human Interface Guidelines, Apple Archive legacy guides, and Swift package metadata.

How often is the documentation updated?

The project releases updated database bundles (like v1.1.0) which can be downloaded with 'cupertino setup'. You can also build the database yourself using 'cupertino save --remote'.

On Hacker News

Recent discussion from the developer community.

• Show HN: Cupertino – Offline Apple docs for AI agents (22K pages, MCP, Swift)▲ 1
  Story by mihaela · 2025-11-28

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