Source: https://jtpck.com/blog Field Notes # Musings from the Studio. Notes on software engineering, interaction design, and everything in between. - Oct 12, 2026 6 min read ## [What Searching 4 Million Pages of Historical Documents Taught Us About Applied AI](https://jtpck.com/blog/what-searching-4-million-pages-taught-us-about-applied-ai) We pointed an AI pipeline at 4.35 million handwritten pages and found a forgotten meteorite, lost rhinos, and unrecorded volcanic eruptions. Here are the lessons that apply to any business sitting on more documents than it can read. ai applied-ai document-analysis semantic-search model-cascade llm-costs case-study - Oct 12, 2026 5 min read ## [How We Fine-Tune Open-Weight AI Models for Production](https://jtpck.com/blog/how-we-fine-tune-open-weight-models) We fine-tune open-weight models on our own GPUs and run them in production. Here is the process we follow, the checkpoints that matter, and the surprises that only show up once you are in it. ai fine-tuning lora qlora quantization on-premise-ai evals - Jul 15, 2026 5 min read ## [RAG AI in Boston: What New England Companies Are Actually Building](https://jtpck.com/blog/rag-ai-in-boston) JTPCK builds RAG AI systems for companies in Boston and across New England. Here's what retrieval-augmented generation actually is, why the demand is concentrated in this region, and what a real RAG engagement looks like. rag ai boston new-england retrieval-augmented-generation ai-consulting on-premise - May 7, 2026 5 min read ## [Why Regulated Practices Should Own Their AI Instead of Renting It](https://jtpck.com/blog/why-regulated-practices-should-own-their-ai) If you run a law firm, a medical practice, or any business bound by professional confidentiality rules, the question of whether to use cloud AI isn't really a cost question. It's a compliance question, and the answer is changing. ai compliance law-firms medical-practice on-premise privacy privilege hipaa - May 4, 2026 1 min read ## [Delete Account - Temp Blog Post for Apple](https://jtpck.com/blog/delete-account-temp-blog-post-for-apple) Demonstration of the in-app account deletion flow for Apple App Review. apple app-review - May 2, 2026 2 min read ## [Can macOS windows shatter like real windows?](https://jtpck.com/blog/can-macos-windows-shatter-like-real-windows) An artistic experiment that replaces the standard macOS close animation with a custom program that shatters the window like glass, inspired by living across the street from a baseball field. macos art experiment design - Apr 23, 2026 2 min read ## [Introducing 'Design Aesthetic' for MacOS](https://jtpck.com/blog/introducing-design-aesthetic-for-macos) Design Aesthetic is a free Mac app for defining a project's visual language before code gets generated or screens get assembled. macos design ai developer-tools - Apr 20, 2026 4 min read ## [Creating an MCP Server For A Mac App](https://jtpck.com/blog/creating-an-mcp-server-for-a-mac-app) How we built an MCP server for WRFRMS, our Mac wireframing app in development, by exposing the app's native document mutations, layout logic, and file-watching workflow to agents. mcp macos typescript ai developer-tools - Mar 29, 2026 2 min read ## [We Want to Start an AI Coding Meetup in Boston](https://jtpck.com/blog/boston-ai-coding-meetup) We're gauging interest in a Boston meetup for software engineers who use AI coding tools like Claude Code, Codex, and Conductor to ship better code faster. ai developer-tools boston community - Feb 23, 2026 3 min read ## [Why AI Coding Needs Git Worktrees](https://jtpck.com/blog/why-ai-coding-needs-git-worktrees) Git worktrees give AI coding agents isolated workspaces so you can run parallel tasks without losing context or committing to the wrong branch. git ai developer-tools - Feb 18, 2026 4 min read ## [Why Monorepos Win in the Agentic Era](https://jtpck.com/blog/why-monorepos-win-in-the-agentic-era) AI coding agents work best when backend and frontend code live together. Here's why the monorepo is the ideal structure for building products with agentic AI. architecture ai rails - Feb 10, 2026 4 min read ## [How AI Is Transforming Back Office Operations](https://jtpck.com/blog/how-ai-is-transforming-back-office-operations) AI is reshaping back office operations by automating repetitive tasks, reducing errors, and freeing teams to focus on higher-value work. Here's how businesses are putting it to use today. AI back office operations automation - Feb 5, 2026 6 min read ## [What Are the Legal Implications of Using Rails, Postgres, and Tailwind?](https://jtpck.com/blog/legal-implications-of-using-rails-postgres-and-tailwind) Ruby on Rails, Tailwind CSS, and PostgreSQL are released under permissive open-source licenses. Here's why this stack is one of the safest legal foundations for your startup. rails tailwind postgresql licensing open-source startups - Nov 8, 2025 2 min read ## [Solving the Hotwire Native 406 Unsupported Browser Error](https://jtpck.com/blog/solving-hotwire-native-406-unsupported-browser-error) Learn how to fix the Rails 8.0 allow_browser feature blocking Hotwire Native WebViews and resolve the 406 unsupported browser error in your iOS app. rails hotwire hotwire-native ios webview troubleshooting - Oct 2, 2025 3 min read ## [Ruby on Rails Maintenance, Support, and Ongoing Development](https://jtpck.com/blog/ruby-on-rails-maintenance-support-and-ongoing-development) Keep your Rails app secure, stable, and future-ready with expert Ruby on Rails maintenance, support retainers, and custom development services. rails maintenance support development retainers - Aug 18, 2025 2 min read ## [Running Rails with SSL in the Development Environment](https://jtpck.com/blog/running-rails-with-ssl-in-development) Learn how to configure HTTPS in your Rails development environment for testing secure features, service workers, and third-party integrations. rails ssl development https puma