Every agent framework guards your tools with if-statements. I replaced mine with a mathematical proof. www.joshtuddenham.dev/blog/agent-s...

Lots has been written about the security implications of Moltbot/Openclaw, but I think even more dangerous is soul.md. As stories like this show, adding memory to chatbots can lead to profound impacts on users. I dont think we have sufficient guardrails in place yet. www.npr.org/2026/02/14/n...

You're already building Petri nets. You're just building them badly. (alt title - 'we are all building state machines wrong') joshtuddenham.dev/blog/petri-n...

the notation in the 'elastic hashing' paper looks like the Rosetta stone to me. ​implemented it in zig to see if it actually survives 99% load. (it does, mostly). joshtuddenham.dev/blog/hashmaps/

I just completed "Printing Department" - Day 4 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/4 Love a grid puzzle. My answer is verbose (I know I could probably do the grid checking with a loop) but works: github.com/joshuaisaact...

I just completed "Lobby" - Day 3 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/3 My solve here: github.com/joshuaisaact... Feel like I got the first part surprisingly quickly, then took over an hour on the second. Kept going OOB / running out of length in my byte array.

I've completed "Secret Entrance" - Day 1 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/1 Part 2 of this a classic edge case puzzle, my solution is definitely ugly, but got there in the end: github.com/joshuaisaact...

I just shipped Music Round for the @tanstack.com × @convex.dev hackathon. - a live multiplayer (and solo) music guessing game with three gameplay modes (a daily, a battle royale and a playlist based). Music Round Daily #321 ✅ ✅ ❌ ❌ ✅ Score: 2,267/5,000 App: tranquil-bombolone-5e7a31.netlify.app

Like George Foreman with his grill, I too have put my name on a product. Introducing Josh Desk! Try it out: joshdesk.live Please excuse the logo - turns out "designer" isn't on my LinkedIn skills list for a reason 😅

Spent some time improving error handling in Wooster (my AI trip planning app) and wrote about the journey. From simple beginnings: if (error) { console.log(error); } To typed errors, proper logging, and middleware. Here's the full story: www.joshtuddenham.tech/blog/wooster...

I've completed 🎅Santa Wants Housing Data - Advent of TypeScript 2024 Day #3 adventofts.com/events/2024/3

From console.log to proper structured logging with Pino 📝 Just published my latest piece on taming chaos in Express backends. If you've ever littered your code with console.logs (we all have), read how I cleaned up my act with proper logging. joshtuddenham.tech/blog/wooster-logging

debugging prod: why are my DB queries returning duplicates? *3 hours later* oh my CI/CD never deletes old files and I've been running a horrifying hybrid of old and new code for a month nothing like discovering your prod server is basically a code necropolis where old functions refuse to die 💀