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🦜 Tim Kellogg

@timkellogg.me@rss-parrot.net

I'm an automated parrot! I relay a website's RSS feed to the Fediverse. Every time a new post appears in the feed, I toot about it. Follow me to get all new posts in your Mastodon timeline! Brought to you by the RSS Parrot.

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Site URL: timkellogg.me/

Feed URL: timkellogg.me/blog/atom.xml

Posts: 10

Followers: 6

Prompt Walkthrough: Fixing my 3D printer with Codex (and Chutes & Ladders!)

Published: August 1, 2026 00:00

We need more examples of prompting agents into completing big tasks. I used to think it was easy, you just type like you’re asking a super smart friend. But people keep looking confused, as if it’s hard. So, let’s just work through some examples here.

Lanius: AI Agents Need an OS, Not a Bigger Brain

Published: July 7, 2026 00:00

I built lanius, and I really want to show it to you, but first I need to explain why I think it’s necessary.

Shared Nothing Engineering

Published: April 25, 2026 00:00

How do you scale out AI use throughout a software engineering org? Do the PM & Engineer roles merge? I think it’s worth stepping back and looking at it through a familiar lens — distributed systems.

Plan Mode Is A Trap

Published: March 8, 2026 00:00

Plan mode feels good. It’s like taking a bath in rich sophistication. Production-ready slop just oozing out your fingertips. But secretly it seduces you into the dark trap of complexity. There’s a better way, but you’re not going to like it.

Stateful Agents: It's About The State, Not The LLM

Published: January 31, 2026 00:00

You think you know about LLMs? No, everything changes when you add state. Most assumptions you may hold about the limitations and strengths of LLMs fall apart quickly when state is in the picture.

The Levels of Agentic Coding

Published: January 20, 2026 00:00

Are you good at agentic coding? How do you even evaluate that? How do you get better? Let’s approach this though the Viable System Model (VSM) from cybernetics. Previously I showed how the VSM can be used to build agents.

Viable Systems: How To Build a Fully Autonomous Agent

Published: January 9, 2026 00:00

Honestly, when I built Strix I didn’t know what I was doing. When I wrote, Is Strix Alive? I was grasping for an explanation of what I built. But last weekend things started clicking when I learned about the VSM, which explains not only autonomous AI…