// the labs

Workshop in progress.

mycuppa.io is the Cuppa Tech sandbox — learning notes, R&D experiments, and a build-time scrape on AI & mobile. Less polished than cuppatech.com; that's the point.

// latest

Fresh from the feed. all news →

  1. [simon willison]

    If in doubt, delete the uv.lock file

    I've been getting the occasional confusing Python dependency error since switching over to Python 3.15 and the rule I'm having to remember is: If in doubt,…

  2. [simon willison]

    Quoting Kyle Kingsbury

    More broadly, the use of LLMs erodes trust in documentation, in software, and in the organizations which produce them. Perhaps engineers will begin to treat…

  3. [hacker news]

    Show HN: HackerBooks – HackerTube, but for books mentioned on HN

    Saw Karpathy's HackerTube and wanted the same thing for books. So I had Claude build one (Opus 5.5). It's ~16.5k books that at least two different HN…

// notes

Recent learning notes. all articles →

  1. // Mobile · iOS

    Modern iOS App Architecture - Part 1: Foundation & Layers

    Deep dive into modern iOS app architecture, covering layered architecture, MVVM, unidirectional data flow, and dependency injection. Essential guide for building scalable iOS applications with SwiftUI.

  2. // Mobile · iOS

    Modern iOS App Architecture - Part 2: State Management & Navigation

    Learn advanced state management patterns, navigation coordination, and data flow in modern iOS applications with SwiftUI and Combine.

  3. // Mobile · iOS

    Modern iOS App Architecture - Part 3: Testing & Best Practices

    Master testing strategies, dependency injection patterns, and production-ready best practices for modern iOS applications.

  4. // AI · MCP

    Building an AI Chatbot with MCP-Inspired Skills Architecture

    Learn how to build a production-ready AI chatbot using MCP-inspired Skills, markup-based knowledge, and cost-optimized architecture. Complete guide with code examples for modern applications.

  5. // Mobile · Android

    Mobile AI Chatbot Integration: Android Native Implementation

    Complete guide to integrating AI chatbot into Android (Jetpack Compose) apps with streaming responses, native UI, and authentication.

// what's here

Three surfaces.