Stefan Munz – OnTree.co
@stefanmunz.bsky.social
Founder of OnTree.co. Helping you own your AI and escape the sticky, overpriced SaaS trap. Join the movement 🐣
This is a concept I'd like to see more, I'd love to build this for OnTree.co. An agent-friendly sandbox that can turn itself into anything the user whishes. Whoever gets this right first is going to have a killer product. blog.exe.dev/meet-exe.dev blog.exe.dev/meet-exe.dev
OnTree - AI On Your Site
OnTree - AI On Your Site
OnTree.co
January 10, 2026 at 9:40 AM
This is a concept I'd like to see more, I'd love to build this for OnTree.co. An agent-friendly sandbox that can turn itself into anything the user whishes. Whoever gets this right first is going to have a killer product. blog.exe.dev/meet-exe.dev blog.exe.dev/meet-exe.dev
Reposted by Stefan Munz – OnTree.co
be kikkoman
start a soy sauce company in the year 1600
make soy sauce for 420 years
keep making soy sauce for another 420 years
in outer space people still want soy sauce
start a soy sauce company in the year 1600
make soy sauce for 420 years
keep making soy sauce for another 420 years
in outer space people still want soy sauce
January 7, 2026 at 2:27 PM
be kikkoman
start a soy sauce company in the year 1600
make soy sauce for 420 years
keep making soy sauce for another 420 years
in outer space people still want soy sauce
start a soy sauce company in the year 1600
make soy sauce for 420 years
keep making soy sauce for another 420 years
in outer space people still want soy sauce
Something is shifting!
210 RSVPs and we’re at capacity for our next Agentic Coding meetup in Hamburg – the “Claude Code special” edition 🔥
Incredible numbers by Hamburg standards. Something is shifting – and it’s shifting fast.
agentic.hamburg
Incredible numbers by Hamburg standards. Something is shifting – and it’s shifting fast.
agentic.hamburg
Agentic Hamburg - The Coding Meetup for Hamburg
Regular meetups where developers share AI workflows, demo tools, figure out what actually works, and inspire each other.
agentic.hamburg
January 7, 2026 at 10:04 PM
Something is shifting!
Wow, who would have thought that our little Agentic Coding Meetup grows into such a popular event series in only a few months! Our next event on January 20th is fully booked and we haven't even started announcing the speakers. Thanks to everrybody interested in the topic and joining our meetups!
January 7, 2026 at 1:59 PM
Wow, who would have thought that our little Agentic Coding Meetup grows into such a popular event series in only a few months! Our next event on January 20th is fully booked and we haven't even started announcing the speakers. Thanks to everrybody interested in the topic and joining our meetups!
Can somebody pause the world for two weeks, so that I can lock myself in and build my own operating system from scratch? POSIX compliant and in Rust? Please? www.learnix-os.com www.learnix-os.com
Introduction - The LearnixOS Book
Press ← or → to navigate between chapters
www.learnix-os.com
January 6, 2026 at 6:34 PM
Can somebody pause the world for two weeks, so that I can lock myself in and build my own operating system from scratch? POSIX compliant and in Rust? Please? www.learnix-os.com www.learnix-os.com
Reposted by Stefan Munz – OnTree.co
PSA: go.sum is not a lockfile.
You never need to look at go.sum.
go.mod has everything you need.
You never need to look at go.sum.
go.mod has everything you need.
go.sum Is Not a Lockfile
In Go, go.mod acts as both manifest and lockfile. There is never a reason to look at go.sum.
words.filippo.io
January 5, 2026 at 8:25 PM
PSA: go.sum is not a lockfile.
You never need to look at go.sum.
go.mod has everything you need.
You never need to look at go.sum.
go.mod has everything you need.
Listening to Yann LeCun is always a good idea, super curious what he's up to next. This is a good overview. saanyaojha.substack.com/p/the-man-wh...
The Man Who Can't Be Moved
Yann LeCun and the art of standing still in a field obsessed with acceleration.
saanyaojha.substack.com
January 5, 2026 at 5:52 PM
Listening to Yann LeCun is always a good idea, super curious what he's up to next. This is a good overview. saanyaojha.substack.com/p/the-man-wh...
I couldn't agree more to this article and have the same observation: AI is forcing us to maintain top-notch code bases. Companies that optimize this way, will get much more out of their agents in 2026!
AI Is Forcing Us To Write Good Code
When Best Practices Are Best
bits.logic.inc
January 5, 2026 at 3:16 PM
I couldn't agree more to this article and have the same observation: AI is forcing us to maintain top-notch code bases. Companies that optimize this way, will get much more out of their agents in 2026!
In 2026, my newsletter will cover a wider range of topics beyond AI and 3D printing. To kick off the new year, I want to share two books that have reshaped my thinking over the past year. Unfortunately, one is only available in German. The other is available in both English and German.
Two Book Recommendations: Sorry, No Happy Endings! | stefanmunz.com
Two Book Recommendations: Sorry, No Happy Endings!
www.stefanmunz.com
January 5, 2026 at 1:10 PM
In 2026, my newsletter will cover a wider range of topics beyond AI and 3D printing. To kick off the new year, I want to share two books that have reshaped my thinking over the past year. Unfortunately, one is only available in German. The other is available in both English and German.
Reposted by Stefan Munz – OnTree.co
Do you have an idle cluster? Can you spare a couple core-years?
Help me bruteforce some test vectors for RSA key generation edge cases!
Here are the instructions, it's just a matter of running a single self-contained cross-compilable Go binary that will report the results autonomously.
Help me bruteforce some test vectors for RSA key generation edge cases!
Here are the instructions, it's just a matter of running a single self-contained cross-compilable Go binary that will report the results autonomously.
RSA test vector crowdsourcing instructions
gist.github.com
January 4, 2026 at 3:48 PM
Do you have an idle cluster? Can you spare a couple core-years?
Help me bruteforce some test vectors for RSA key generation edge cases!
Here are the instructions, it's just a matter of running a single self-contained cross-compilable Go binary that will report the results autonomously.
Help me bruteforce some test vectors for RSA key generation edge cases!
Here are the instructions, it's just a matter of running a single self-contained cross-compilable Go binary that will report the results autonomously.
I can order a second Pebble Time 2 as part of my preordering. If you're interested in one, ping me, and I can order it for you, without any shipment costs. repebble.com
The Finest In Wearable Gadgets
Get a new Pebble smartwatch or ring right here
repebble.com
January 4, 2026 at 4:56 PM
I can order a second Pebble Time 2 as part of my preordering. If you're interested in one, ping me, and I can order it for you, without any shipment costs. repebble.com
Reposted by Stefan Munz – OnTree.co
The world as 100 people over the last two centuries
December 31, 2025 at 3:23 PM
The world as 100 people over the last two centuries
Framework has the same point of view and warns in their latest newsletter: Hardware is going to become much more expensive next year. Their Framework Desktop with 128GB RAM is a bargain right now. If you're on the brink of buying one, better buy it soon!
frame.work/desktop
frame.work/desktop
December 31, 2025 at 11:27 AM
Framework has the same point of view and warns in their latest newsletter: Hardware is going to become much more expensive next year. Their Framework Desktop with 128GB RAM is a bargain right now. If you're on the brink of buying one, better buy it soon!
frame.work/desktop
frame.work/desktop
We’re reaching a point in Germany where there’s so much solar power that large-scale battery projects kick off without needing direct subsidies (though there’s probably an indirect subsidy effect). www.energy-storage.news/germany-firm...
Germany firmly enters large-scale BESS era with EnBW, Vattenfall and Enertrag project news
A trio of large-scale BESS announcements by major power firms of 700-800MWh capacity each in Germany show the country's energy storage market moving into the new era of scale.
www.energy-storage.news
December 21, 2025 at 9:13 AM
We’re reaching a point in Germany where there’s so much solar power that large-scale battery projects kick off without needing direct subsidies (though there’s probably an indirect subsidy effect). www.energy-storage.news/germany-firm...
More layoffs at my former employer XING.com. Sad, but not surprising — the signs have been visible for a long time. Detailed report by a colleague affected in this round. www.stefanimhoff.de/15-years-xing/
15 Years at XING: Reflections and a Farewell · Web Developer from Hamburg, Germany
Reflecting on 15 years of frontend development, massive offsites, and the dismantling of a tech giant.
www.stefanimhoff.de
December 21, 2025 at 8:01 AM
More layoffs at my former employer XING.com. Sad, but not surprising — the signs have been visible for a long time. Detailed report by a colleague affected in this round. www.stefanimhoff.de/15-years-xing/
I launched OnTree.co this week and recorded a quick walkthrough showing the easiest way to start playing with it. www.youtube.com/watch?v=JdWg...
OnTree - AI On Your Site
OnTree - AI On Your Site
OnTree.co
December 20, 2025 at 12:25 PM
I launched OnTree.co this week and recorded a quick walkthrough showing the easiest way to start playing with it. www.youtube.com/watch?v=JdWg...
Insightful deep dive into desktop UX by an industry veteran, full of anecdotes. He’s right: there’s no visible momentum for real evolution. I have high hopes for Google’s rumored Aluminium OS. www.youtube.com/watch?v=1fZT...
Are we stuck with the same Desktop UX forever? | Ubuntu Summit 25.10
This talk focuses on that evil little term “UX/UI,” which is responsible for so much confusion and tension in open-source projects. Not only does it unnecessarily pit programmers against designers,…
www.youtube.com
December 20, 2025 at 9:40 AM
Insightful deep dive into desktop UX by an industry veteran, full of anecdotes. He’s right: there’s no visible momentum for real evolution. I have high hopes for Google’s rumored Aluminium OS. www.youtube.com/watch?v=1fZT...
It's the week before Christmas. You're probably feeling the pressure to live up to all the expectations that Christmas brings each year. I hope you can let a few of them slide and choose to have a good time for a few hours in between. A personal note on my newsletter and my blog
A Personal Note: And No, It’s Not The End! | stefanmunz.com
www.stefanmunz.com
December 18, 2025 at 10:43 AM
It's the week before Christmas. You're probably feeling the pressure to live up to all the expectations that Christmas brings each year. I hope you can let a few of them slide and choose to have a good time for a few hours in between. A personal note on my newsletter and my blog
Anthropic donated the MCP protocol into an independent foundation. Not sure if this is good or just means we want to end supporting it at some point. aaif.io
Agentic AI Foundation (AAIF)
Agentic AI Foundation (AAIF) is the neutral and open foundation built on transparency, collaboration, and standardization to advance the public interest in agentic AI innovation.
aaif.io
December 16, 2025 at 6:34 PM
Anthropic donated the MCP protocol into an independent foundation. Not sure if this is good or just means we want to end supporting it at some point. aaif.io
Reposted by Stefan Munz – OnTree.co
Just so I'm clear on this, computer memory has tripled in price because a bunch of it that hasn't been produced yet has been ordered to populate GPUs that aren't installed in data centers that aren't built yet in order to service a demand that doesn't exist to make profits that don't happen.
December 15, 2025 at 12:21 PM
Just so I'm clear on this, computer memory has tripled in price because a bunch of it that hasn't been produced yet has been ordered to populate GPUs that aren't installed in data centers that aren't built yet in order to service a demand that doesn't exist to make profits that don't happen.
Mistral is getting a lot of hate for releasing their newest models open source, but with usage limitations for companies bigger than $20 million revenue. I don't get it, to me this makes a lot of sense. x.com/maziyarpanah...
x.com
December 15, 2025 at 5:52 PM
Mistral is getting a lot of hate for releasing their newest models open source, but with usage limitations for companies bigger than $20 million revenue. I don't get it, to me this makes a lot of sense. x.com/maziyarpanah...
A new coding agent to check out: Mistral Vibe CLI. Just in time for the Christmas Holidays! mistral.ai/news/devstra...
Introducing: Devstral 2 and Mistral Vibe CLI. | Mistral AI
State-of-the-art, open-source agentic coding models and CLI agent.
mistral.ai
December 15, 2025 at 3:16 PM
A new coding agent to check out: Mistral Vibe CLI. Just in time for the Christmas Holidays! mistral.ai/news/devstra...
The free version of CapCut is such a clever strategy from ByteDance (TikTok). As a new competitor in an established field, make a great tool to create and publish videos. Let people achieve their main goal, which is publishing to the dominant platform YouTube.
December 15, 2025 at 8:01 AM
The free version of CapCut is such a clever strategy from ByteDance (TikTok). As a new competitor in an established field, make a great tool to create and publish videos. Let people achieve their main goal, which is publishing to the dominant platform YouTube.
This weekend I downgraded my old MacBook to non-glass macOS. A lot of tedious work, which I try to memorize in a setup script. Let's how good this works on my main machine. Really happy with the result. next week.https://github.com/stefanmunz/setup-new-machine
December 14, 2025 at 1:26 PM
This weekend I downgraded my old MacBook to non-glass macOS. A lot of tedious work, which I try to memorize in a setup script. Let's how good this works on my main machine. Really happy with the result. next week.https://github.com/stefanmunz/setup-new-machine
It's almost impossible to not love Kagi. Now they're opening a new office which is bookable for free by all Kagi members in Belgrade! blog.kagi.com/kagi-hub
Kagi Hub Belgrade: A home base for Kagi members worldwide | Kagi Blog
We’re excited to announce that Kagi Hub Belgrade ( https://hub.kagi.com ) is now open! Our first office doubles as a free coworking space for all Kagi members.
blog.kagi.com
December 14, 2025 at 9:13 AM
It's almost impossible to not love Kagi. Now they're opening a new office which is bookable for free by all Kagi members in Belgrade! blog.kagi.com/kagi-hub