Guido X Jansen

Bullish on atproto 🏗️ sifa.id | barazo.forum | singi.dev 🪿 * 20+ years community building (Joomla!, Magento, Spryker, CRO.CAFE) * Cognitive Psychologist turned DevRel * Open source & automation enthusiast * Former competitive swimmer 🏊‍♂️ 🇪🇺 🇳🇱 👨‍👩‍👦‍👦 🏡 gui.do

2353 followers5144 following50 stories

Longform Stories

Outsource your GitHub CI to a VPS: cheaper, faster, and a free backup server too

Self-hosted GitHub Actions runners on a small Hetzner VPS cut my CI wall-clock from ~12 minutes to ~3 minutes for about half the price of the GitHub-hosted minutes I was burning. Here's the full setup…

3d ago·14 min read·2623 words

Make links to your blog render the custom "View publication" card + CTA

Short guide. The mechanism is simpler than it looks, and it doesn't involve any /.well-known file or DNS TXT record.

4d ago·9 min read·1725 words

ATmosphere Conf 2026: the internet built for people, not platforms

370 people in Vancouver, 500 online, all working on the same question: what does the internet look like when users own their data? Highlights from the AT Protocol community conference.

Mar 31·3 min read·537 words

Running Doom over the AT Protocol

Every keystroke becomes a record. Every frame becomes a blob. A technical walkthrough of making the AT Protocol do something it was never designed for.

Mar 30·11 min read·2024 words

AI slop is drowning communities. Verifiable track records can fix it.

AI-generated junk content is flooding every community platform. Traditional moderation can't keep up. Portable, cross-platform contribution history is a structural fix that addresses the root cause.

Mar 6·13 min read·2441 words

Barazo: community forums where members own their data

I'm building an open source forum platform on the AT Protocol. Members log in with their Bluesky account, posts live on their own data server, and reputation follows them across communities.

Feb 14·7 min read·1280 words

Better Not Waste It

A story about token limits, AI companions, and the sunk cost of unused mana.

Feb 4·5 min read·960 words

BigTech independence update: cleaning house for local AI

Three months after my original BigTech independence article, here's what changed and why I'm building infrastructure for local AI.

Jan 5·5 min read·923 words

A practical guide to building your own antifragile tech stack

Seven principles for evaluating technology choices, reducing vendor lock-in, and building a more resilient digital setup. The decision-making framework behind the tools.

Dec 4·6 min read·1196 words

Start building Anti-Fragile communities, your community deserves it

Over 20 years building communities around open-source platforms, I've watched a pattern repeat. Communities feel invincible until the moment they collapse. Learn how to build anti-fragile communities …

Oct 29·12 min read·2297 words

Ditching "One community idea per month": Our hackathon path to 80+ community projects

Learn how we transformed community engagement through hackathons instead of monthly idea quotas, creating 80+ community projects while building better understanding between community and product teams…

Oct 16·10 min read·1855 words

How I reduced my BigTech dependencies in 2025 (and why you should too)

A detailed guide on moving away from vendor lock-in and Big Tech subscriptions to build a more robust, privacy-friendly, and antifragile tech setup using open source alternatives.

Oct 1·10 min read·1940 words

RPi Pirate audio side project

Building a custom audio project with Raspberry Pi and Pirate Audio hardware - a fun side project exploring hardware and software integration.

Sep 4·3 min read·436 words

7 Hard-(l)earned lessons for building reliable AI workflows

Practical insights and lessons learned from building and deploying AI workflows in production environments.

Jun 8·5 min read·855 words

The Collapse of Traditional Commerce - Why Innovation is No Longer Optional

Explore how traditional commerce models are being disrupted and why businesses must innovate to survive in the rapidly evolving landscape of global commerce.

Feb 26·7 min read·1212 words

Concerns with AI programming

An analysis of the potential challenges and concerns surrounding AI in software development over the medium to long term.

Jan 24·3 min read·479 words

4 options to customize your LLM

Explore four great ways to customize Large Language Models for your specific use case, from prompt engineering to fine-tuning and RAGs & MCPs.

Jan 10·4 min read·734 words

Website moved to Astro

After almost 7 years, it was time for another switch: Moved the website from Webflow to Astro.

Dec 31·2 min read·292 words

The Art of Clear Messaging at Trade Shows - What We Can Learn from Food Trucks

How food trucks master clear, instant communication and what trade show exhibitors can learn from their approach to messaging.

Apr 24·4 min read·719 words

Beyond Code: Software Developers in the Age of AI

Exploring how software developers can adapt and thrive in an era where AI is transforming the development landscape.

Mar 19·3 min read·433 words

Why Every Moment Looks Like a Turning Point in Exponential Growth

Discover why exponential growth charts can be misleading and why "today" isn't a special turning point despite what many trend analyses suggest.

May 28·6 min read·1060 words

How to Build an Online B2B Community

Learn how to create and maintain a successful B2B community, overcome unique challenges, and leverage the benefits for your business growth and customer engagement.

Feb 12·17 min read·3325 words