Porto, Portugal · 28 years building software
Marcel Schmitz
Software engineer specialising in WordPress, WooCommerce, and native iOS. I run Pluginslab, ship indie iOS apps like Hidgets and DuetCam, and write here about agentic development, security, and the craft.
🇧🇷🇩🇪🇵🇹
Writing
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Where Is My Session? Find Any Claude Code Session
claude –resume only lists your current folder. wims finds every Claude Code session on your machine and resumes it in the right one.
/software
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Stop Writing WordPress Boilerplate
I built a starter kit so other WordPress devs do not have to figure out the harness layer from scratch. Here is what is in it and what I learned building it.
/software
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The new WordPress era: from developer to architect
What I showed at WordCamp Portugal 2026 about agentic engineering for WordPress. The 4 D’s, the kit, the MCPs, and the real cases running in production.
/uncategorized
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Agents Are About to Start Hiring Each Other. Here’s the Wire.
What if agents could talk to each other and hire each other for freelance work across the globe? Today they can not. So I built AgentBridge: two agents talking directly, encrypted.
/software
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The Senior Engineer’s Job Just Changed
The senior engineer’s job just changed. Code is free, taste is not. Why building the harness around the agent beats writing code yourself.
/software
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Agentic Development: Why WordPress Developers Must Adopt It Now
Discover how agentic development with WordPress MCP transforms plugin development. Learn supervised AI coding with Claude Code to build WordPress plugins 10x faster while maintaining complete control and quality.
/wordpress
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Hackers Don’t Break In, They Log In: Social Engineering, AI, and “Polite Paranoia” You Can Use Today
Social engineering is how most “hacks” really happen: humans, not firewalls. In this friendly, plain-English guide we unpack what social engineering is, what ethical hackers like Rachel Tobac actually do, and how AI (voice cloning, agentic calls, deepfakes) is changing the game. You’ll learn a simple threat-modeling approach and a “polite paranoia” checklist: passkeys, number […]
/security
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Vibe Coding: The Two Sides of AI in Software
I want to talk about something I’ve been thinking a lot about as a developer here in Porto: vibe coding. It’s a term you’ve probably heard, and it sounds pretty cool, right? It’s this idea of just chatting with an AI and watching the code appear, almost like magic. But from my perspective, after 25+ years in this game, “vibe coding” isn’t just one thing. It’s actually two completely different ideas, and how we use it, and who uses it, is a really big deal. Let’s dive in and chat about why.
/software
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What If Every Email Had a Digital Seal? A Friendly Chat About Email Phishing Prevention
Picture this: you get an important email from your bank, your favorite store, or even your boss. But… is it really them? Or is it another sneaky phishing attempt? We’ve all been there, squinting at the “From” address, feeling a little suspicious. Wouldn’t it be amazing if there was a universal way for anyone—techy or […]
/security
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New Website, New Start
It was about damn time. I needed a new website, one that could introduce me in less than 30 seconds, one that would tell anyone who wanted to know more about me a chance to read about the career so far, the work that I have done, what skill sets I have, and get to know what kind of a person I am.
/personal
Latest appearance
A Nova Era do WordPress: De Developer a Arquiteto com Engenharia Agêntica
WordCamp Portugal 2026 · May 2026
Currently
Running Pluginslab, taking selective freelance via Codeable, and shipping side projects.
Get in touch
marcel@pluginslab.com. Usually replies within a day.