Close-up of a hand holding a smartphone showing colorful notifications

What we’ve learned using always-on AI assistants

We’ve spent a few weeks with personal AI assistants that work in the background, connected to the tools we use to run MarsBased. The most useful thing so far: they flag what we didn’t ask them to look for.

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Decision models: practical AI where it used to be too costly

Decision models could make AI practical in applications where cost and complexity have kept it out. Here’s what they are and why we’re keeping an eye on them.

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Future

The future of development agencies in the AI era

AI is making code cheaper and faster to write, but building software that actually works, scales, and stays secure still takes broad expertise and someone accountable for the outcome. Here's how we see the role of development agencies changing in the AI era, and how MarsBased is adapting to it.

Read full article: The future of development agencies in the AI era
Design

We imported a real client Design System into Claude Design. Here's what we learned.

We ran Claude Design through its paces by importing one of our client's Figma design systems. The import worked, prompting took a few tries to get right, and the export options left us with some questions.

Read full article: We imported a real client Design System into Claude Design. Here's what we learned.
The judgment gap in AI

The judgment gap in AI

AI gathers review evidence better than any human, but lacks context. Here’s why human judgment still drives our final performance ratings.

Read full article: The judgment gap in AI
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The judgment gap in AI

The judgment gap in AI

AI gathers review evidence better than any human, but lacks context. Here’s why human judgment still drives our final performance ratings.

Read full article: The judgment gap in AI
MarsBased x Claude

How we use Claude for product management at MarsBased

How MarsBased uses Claude and Linear to automate PM workflows, shifting the role from administrative tasks to strategic product thinking.

Read full article: How we use Claude for product management at MarsBased
WebMCP

WebMCP: Making your website ready for AI agents

WebMCP is the new W3C standard that makes websites natively operable by AI agents, no slow vision models needed. Learn how to implement it in 15 minutes.

Read full article: WebMCP: Making your website ready for AI agents

Latest episodes

From our YouTube channel, Road to CTO, Building MarsBased, and more.

Blessing and curse: what happens when building costs nothing, with Nicolas Grenié
01 / 03
10 Nov 2026

Blessing and curse: what happens when building costs nothing, with Nicolas Grenié

For a while, someone rebuilt Typeform every day. Nicolas Grenié saw it from the inside, because he was working there when the first vibe…

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27 Oct 2026

CEOs are coding again | Amir Salihefendic, CEO of Todoist

Amir Salihefendic, CEO of Todoist, is more involved in the code than ever. This week alone he vibe coded a table view that would have taken…

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13 Oct 2026

Why we closed Startups BCN after 11 years

After 11 years, we’re closing Startups BCN, the Slack community we started in October 2015 to keep the conversation going between Startup…

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Complex Ruby project, worldwide distributed stakeholders, thin definition. And with all that, MarsBased pulled it off. Great maintainable code, on time and within budget.
Sergio Gago
Sergio Gago
Former CTO @ Rakuten Europe