AI Tutorials & Practice

Update — v0.3.1 released. CauterRule is now live on GitHub and PyPI. It turns repeated agent...

I’ve tried out a lot of Claude Code skills, and a few of them are especially useful when you combine...

9 September 2026 · Luc Richelet. Every number below comes from a real execution log, under real...

There is an uncomfortable truth about most non-tech enterprises: a lot of their software is insanely...

I built a serverless handwriting-grading app for my own kids, and it turned into one of the most...

The problems In March 2026 my back began to hurt a lot more than usual. I had a standing...

Building the first version of an internal application is only one part of the job. The more difficult...

My Soundcore Space 2 pairs with my MacBook and sounds exactly as it should. But the moment I want to...

Three weeks ago, in the comments under a post about a different SSRF bug (CVE-2026-19304, a...

I grew up watching Iron Man, so when I started this project the working name wasn't ORION, it was...

Hello, I'm Rijul, and I'm building LiveReview — a blast-radius aware AI code review built for your...

I built a small thing and then spent considerably longer trying to find out whether it worked. The...

An OpenAI agent swarm uploaded hundreds of malicious gems to RubyGems.org, chaining a RubyDoc.info RCE with a CDN key-theft bug and repackaging scraped UK government data as a gem for exfiltration. Op

Most AI agent demos start with the model. We ended up spending far more time thinking about what...

A Staff SDET's field guide to the architectural shift — for juniors who want to actually understand...

A useful agent no longer just answers questions. It can qualify a lead, follow up with a customer,...

TL;DR GPT-6 Astra has started another familiar AI conversation. The model is more capable, Jensen...

I did not build joacod Lab because the internet needed another portfolio. It already has plenty of...

Every country sends people letters they can't read. Many answer it the same way: a free help desk,...

I built one agent and multi-agent versions, put them through the same tests, and learned what...

Logs are attacker-controlled input. If you paste them into an AI tool, the attacker can prompt-inject your analyzer. Here's how I built one that survives it.

I was reading the release notes for the MCP Python SDK while planning this month’s AAIF Ambassador...

There's a fun part of starting every new software engineering job as you navigate an unfamiliar...

I ran the same logic against two market data vendors for the same period. Twelve percent of the...

Most write-ups about prompt injection show you the attacker typing something clever into the chat...

Honest limitations of agentic development workflows, all seen in real runs, and the short list of what to build first if you are starting one.

Item size, what a gate really costs in human attention, which decisions deserve the expensive model, and what the whole apparatus buys you.

Your AI agent just told you it sent the email. It didn't. Your AI agent just told you it deployed...

Finishing a hackathon project used to mean something. Now it just means you had a good...

Season one of this story, From Prompt to Production, ended with a retrospective and a working app:...

That's the premise behind FUI-RS: a cross-platform, retained-mode UI framework built in Rust that...

I've had this argument three times this month. Once with a client who wanted to skip hiring a junior...

AI governance has already become one of the most important parts of running AI in production. As...

85.7% of AGENTS.md files prohibit things, only 13.6% record a gotcha. The measured base rates across 558 files, the two slots nobody fills, and a 5-minute check for your own file.

The principles that keep an agentic workflow honest: where run state lives, what makes a gate a real check, and who gets to decide when a build loop stops.

Update — v0.3.1 released. CauterRule is now live on GitHub and PyPI. It turns repeated agent...

I built StacksNG for the Africa Deep Tech Challenge 2026: an offline coding assistant grounded in the...

The Unboring Truth About Boring Tech Or: How Startups Accidentally Build Research...

558 AGENTS.md files, labeled against 9 categories and measured on held-out samples: 85.7% ban something, 13.6% write down a gotcha — and a third of those aren't gotchas.

A problem every hackathon builder who is vibe coding has: a lot of times, the demo works; you built...