{ Mario Zechner }

A work in progress post about building a shitty robot.

I've sold out

Thoughts on slowing the fuck down

A look back at 2025

Lessons I learned while building my own coding agent from scratch.

A rambling rebuttal to Armin's claim that LLM APIs are a state synchronization problem.

Got Bash and some code interpreter?

Building a JavaScript AST interpreter in JavaScript: scope isolation, ES5 implementation, and all the footguns along the way.

A data-driven comparison of MCP and CLI approaches for coding agent terminal control

cc-antidebug patches Claude Code to enable Node.js debugger support for SDK-based apps and restores the /cost command functionality for Max plan users

Exploring how to track and analyze changes in Claude Code's system prompts and tools to understand AI assistant evolution

Treating LLMs as shitty general purpose computers we program with natural language.

How I built a simple portable audio player for my boy, summoning the spirit of the Gameboy

How to programmatically turn on LEDs and read button states

Exploring the absolute basics.

The story of a programmer trying to electronics

Fun little vacation project for fun and zero profit.

Reminiscing about the times I didn't watch TV at night but built stuff.

Thoughts on acquiring computational thinking skills based on my own experience.