blog.fichtmueller.org
// Open Source
ADHD Diary No-Travel-Day LLMs ShieldX Hyperfocus Open Source Software Engineering Neurodivergent Build in Public

ADHD Diary #002: No-Travel-Day — 155 Commits in 8 Days

155 commits. 8 days. 8 projects. 74 new features. 62 bug fixes. Those are the raw numbers from a week that was nothing special. No sprint, no hackathon, no deadline

Rene Fichtmueller / 2026-04-06 / ~3 min read min read
Open Source Claude Code AI Productivity Memory System Developer Tools CLI Context Management TypeScript

Claude-Cortex: Giving Claude Code a Long-Term Memory

Claude Code forgets everything between sessions. I built a structured memory system that fixes that — no database, no server, just Markdown files.

Rene Fichtmueller / 2026-04-05 / ~2 min read min read
Open Source AI Writing Quality Content Detection AI Slop NLP Developer Tools TypeScript Writing Tools

Slop-Radar: A Buzzword Detector for the Age of AI Slop

200+ English and 120+ German AI-style phrases. 14 structural patterns. Because "delve into" needs to die.

Rene Fichtmueller / 2026-04-05 / ~2 min read min read
Open Source AI Document Intelligence MCP Paperless-ngx OCR RAG Ollama TypeScript Knowledge Management

PaperCortex: Adding a Brain to Your Document Archive

Paperless-ngx is great at storing documents. It's terrible at understanding them. PaperCortex fixes that.

Rene Fichtmueller / 2026-04-05 / ~1 min read min read
Open Source Claude Code Productivity DevOps Sync Multi-Device Developer Tools CLI TypeScript

Claude-Sync: One Claude Brain Across All Your Devices

I work on a MacBook, a Mac Studio, and sometimes SSH into servers. Claude forgot everything every time I switched. Not anymore.

Rene Fichtmueller / 2026-04-05 / ~1 min read min read
Open Source Security Claude Code DevOps Git Hooks Secret Scanning Pre-commit Developer Tools AWS Credential Leak

Claude-Code-Hardened: The Security Hooks That Saved My Public Repos

I almost pushed AWS credentials to GitHub. Twice. Then I built a system that makes it impossible.

Rene Fichtmueller / 2026-04-05 / ~2 min read min read
Open Source Security AI LLM ShieldX Prompt Injection Self-Learning Kill Chain MITRE ATLAS MCP Guard TypeScript

ShieldX: Why Prompt Injection Defense Needs to Evolve Itself

500+ detection patterns. 10-layer pipeline. Kill chain mapping. And it learns from every attack it sees.

Rene Fichtmueller / 2026-04-05 / ~2 min read min read
Open Source Networking BGP RPKI PeerCortex ASPA Network Intelligence Internet Infrastructure Routing Security Health Check Peering

PeerCortex: Why I Built a Network Intelligence Platform

70,000+ networks. 13 health checks. One tool that didn't exist — so I built it.

Rene Fichtmueller / 2026-04-05 / ~2 min read min read