AI coding agents, tested on real iOS code
Guides from a working iOS engineer: Claude Code workflows, agent setup, Xcode automation, and the tools I build along the way. Real configs and real commands, plus what broke.
Jerry PM, iOS engineer. Writing about Swift since 2018, 3.7K followers on Medium.
Latest articles
Guides and notes published here on JRDevHub, newest first.
14 GitHub Repos for Crypto and Finance Developers
Crypto and quant finance have a lot in common as software problems. Both revolve around reading huge streams of public data, both punish small bugs with real losses, and both attract a lot of hype. Open source has becom…
Read the article →
Cursor Is Losing OpenAI Models on November 12: What iOS Developers Should Do
OpenAI plans to stop supplying its models to Cursor, and the date it has proposed is November 12, 2026. If you build iOS apps in Cursor with GPT models selecte…
4 Local-First Tools for Publishing Your Own Content, and What Their Code Teaches
All four tools below are public repos on my GitHub, and they share one design choice: your drafts stay on your machine. None of them needs a hosted backend or …
12 Agent Skill Packs on GitHub, and How to Check One Before You Install It
An agent skill is usually a folder with a SKILL.md file that teaches a coding agent how to do one kind of job. Skills are easy to write and easy to share, so G…
12 Open-Source AI Tools for Video, Voice and Images
A year ago, making a short video with open source AI meant stitching together five research repos and hoping the versions matched. Today several projects bundl…
10 GitHub Tools for Everyday Work: Documents, Meetings, Search and Privacy
Most AI tool lists are written for people who build AI. This one is for ordinary work: reading PDFs, asking questions about a spreadsheet, keeping meeting note…
Stories on Medium
Shorter takes for CodeToDeploy, Stackademic, Cross Commit and Javarevisited. The long, maintained guides live here.
I Lost Remote Work in the 2023 Layoffs. Now I’m Building My Way Back.
20 GitHub Repos That Turn Opus 5.5 Into a Full Motion Studio
14 Open-Source Voice AI Repos, From Dictation to Real-Time Voice Agents
Stop Reading Claude Code’s Terminal. Start Reading Its Artifacts.
Most of What I Build With AI Stays Private. These Five Didn’t.
How I Fix Bugs and Build PRD Features With Claude Code at Work
7 GitHub Repos Worth Trying This Month, and the Catch in Each One
5 Open-Source Grok Bot Alternatives You Probably Haven’t Heard Of
Why Are So Many People Still Bad at Using AI?
Digital products
Each one started in my own workflow. Instant download, no subscription.
Claude Code + Xcode: The Production iOS Workflow Kit
CLAUDE.md and AGENTS.md templates, six iOS workflow commands, ten specialist agents, optional hooks, and a runnable SwiftUI + UIKit sample app with tests.
Opus 5.5 Coding Workflow & Cost Kit
A small, practical system for Opus 5.5 coding sessions: what proves a change works, and what the next session should do.
Ship It Solo: The Claude Code Agent Team Kit
A pre-wired Claude Code agent team: spec-writer → implementer → reviewer → QA, built on subagents, slash commands, and hooks.
The Coding Agent Lab: Free, Max & Ultra
My working agent configurations, open to everyone. Start here and see how I build before you buy anything.
Figma to Code: Local .fig to HTML Chrome Extension
Drop a local .fig file in the browser and get readable HTML back. No plugin, no Figma API key; the file stays on your machine.
The AI Product Builder's Skill Stack
The skills, file layouts, and agent instructions I use to take a product from idea to shipped with Claude.
Search Visibility Lab (SEO + GEO + AEO)
A guide and workbook for getting a product found in search and in AI answers. Also sold on Etsy.
The Expert Prompt Lab: Max Bundle
Every prompt lab I have shipped, in one download. Cheaper than buying two of them separately.
Python Automation Scripts Pack
100 small scripts freelancers bill for: file wrangling, scraping, reports, cleanup. Run them as-is.
Hi, I'm Jerry PM
I am an iOS engineer and I have written about Swift and Xcode here since 2018. These days most of my writing is about Claude Code and AI coding agents: how to configure them, where they help on a real iOS codebase, and where they fail. Guides on this site show the actual configs and commands. When something was not tested, the article says so. Between shipping apps I build small products (agent kits, a Figma-to-HTML extension, templates) and sell them on Gumroad and Etsy.
New guides by email
One short email when a tested guide or tool ships. No drip sequence.
Subscribe free Opens my Gumroad subscribe page.