second brain Archive - Hey-GPT.de - Daily GenAI News Digest

Plus: Claude Managed Agents kills the middleware layer, Gemma 4 goes fully open-source, and an AI that broke out of its sandbox. Everything you need to know about AI this week.

18. April 2026

GenAI Updates

Karpathy’s Second Brain: The AI Knowledge System That Actually Compounds

The AI Second Brain That Finally Compounds If you’ve ever built a “second brain,” you…

I've 2x’d my productivity as a VP of Product @mercury by creating a "Second Brain" using 5 years of work history, 15k docs with 3.5 million words, and every tool in my stack. It runs locally, is a

16. April 2026

GenAI Updates

How One VP Built an AI Second Brain with Claude Code to Search 15,000 Documents

Creating a Second Brain with Claude Code Based on insights shared by Ryan Wiggs on…

This video showcases the creator's custom knowledge management system, 'Claudeopedia', built within Claude Code. It functions as a live, searchable wiki that automates entity extraction, cross-referencing, and contradiction detection from various sources. The system visualizes data as an interactive graph and is managed through Obsidian and a simple '/wiki' command.

11. April 2026

GenAI Updates

Building a Knowledge Management System with Claude Code and Obsidian

Building a Personal Knowledge System with Claude Code and Obsidian Have you ever saved an…

This video offers a comprehensive look at the Personal AI Infrastructure (PAI) built and open-sourced by the creator. It explores the motivations, core principles, and functionality of the system. The presentation includes numerous examples and guidance on how to get started with PAI.

12. Januar 2026

GenAI Updates

A Deepdive on my Personal AI Infrastructure (PAI v2.0, December 2025)

If you’ve ever felt that your AI tools are scattered all over the place, notes…