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L8 Principal's Agentic Coding Config Fom Scratch

2026-07-05 Science & Technology
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Kun Chen
Kun Chen
40.5k subscribers

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Description

Find everything from me here: https://linktr.ee/kunchenguid Published dotfiles: https://github.com/kunchenguid/dotfiles Wallpaper source (no affiliation): https://apps.apple.com/us/app/dynamic-wallpaper-library/id1582358382?mt=12 -------- Chapters: 0:00 Intro 01:04 Reproducibility 02:04 Installing Nix 02:33 Creating dotfiles repo 03:17 Setting up nix-darwin 06:03 First Nix build 07:06 Reproducible Mac settings 08:14 Installing Homebrew with Nix 10:28 Setting up home-manager 13:29 Configuring zsh with Nix 14:50 Starship 15:33 WezTerm config 17:46 Neovim config 33:22 Herdr 39:36 Global AGENTS.md 43:48 Fully reproducible config

Top Comments (10)

@abraaomendes6572 2026-07-05

Kum, I’m a Brazilian physician with no traditional coding background, but I’ve learned the basics and built a working app that helps me care for my patients. I recently found your video through ByteByteGo’s post about your pipeline, and it made me pause everything. The way you combine CLI agents, terminal emulators across Mac/Windows, tmux for fast operational flow, Lavish/AXI for visual planning, FirstMate for controlling crewmates, and Treehouse/worktrees for parallel agent work is exactly the kind of system I had been trying to imagine. I’ve been studying your setup deeply to level up what I can build for my SaaS and medical workflows. Thank you for sharing this knowledge so openly. You could have kept it purely commercial, but instead you’re building a community and raising the quality bar for everyone. Wishing you continued success. Sending gratitude from Brazil — and I’m sure I speak for many people around the world. I haven’t been able to watch the new video yet, but I already know it will deliver the kind of value I would have had to fight hard to extract and piece together from the previous one. Thank you again. I’ll come back with my thoughts on the new content. See you soon.

60 3 replies
@marlonjr.4119 2026-07-05

Kun, you're videos remind me of some of the best lectures I've ever sat in

23
@TanksForCat 2026-07-05

I've seen thousands of posts and cringe on LinkedIn and YouTube throughout this AI-era, your content is legit the first I have found helpful and insightful!

17
@tek.kemper 2026-07-07

After your previous video I was looking for another tutorial that would help (a complete novice) set up the sort of workflow you laid out. Should have guessed that you would be the one to answer my prayers. This content is GOATED

3
@amirgorji5810 2026-07-07

Finally found some real deal in Youtube. Someone who's videos are 100% pure home run, and I don't have to pay a subscription just to see what he says. Kudos!

2
@NeuralVoidSolutions 2026-07-06

For my entire life I have been seeking this guide. I am ready for ascension. Take me Kun!

2
@R1se-Jose 2026-07-05

Your last video was one of the best videos on agentic workflows I've come across and wanted the configs! Thanks a bunch Kun!

2
@scottehftm 2026-07-07

Long time neovim/tmux user here, I like watching these videos as you always get to see how others use these tools. I was surprised how many nice little tips I picked up on this. I am also digging into nix and herdr now.

1
@sixzero7445 2026-07-06

the fact that you still show how to setup this up manually, still have brain intact are rare quality these days

1
@jyang419 2026-07-10

I LOVE the setup! Thanks so much for letting us steal it! 非常感谢!!!

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