// TypeScript
Magatama Security Architecture Open Source TypeScript Fastify Monorepo Platform Engineering Decision Log

Building Magatama: The Architecture Decisions That Hurt

Magatama is a unified security platform with six pillars. The architecture looks clean now. Three decisions made it painful to get here — two I'd make again, one I'd reverse.

Rene Fichtmueller / 2026-05-28 / ~2 min read min read
AI Security Open Source ShieldX ShieldY LLM Prompt Injection Security MITRE ATLAS Red Team TypeScript

The Open Source AI Security Stack That Actually Exists

Vendor solutions for LLM security cost $50,000/year and scan for yesterday's attacks. The open source stack is fragmented but works. Here's what actually exists — and what's still missing.

Rene Fichtmueller / 2026-05-23 / ~2 min read min read
LLM Gateway AI Circuit Breaker Failover Production AI TypeScript Fastify Confidence Scoring Ollama Architecture

LLM Gateway Patterns: What We Learned After 50,000 Requests

Circuit breakers, confidence scoring, failover chains — an LLM gateway isn't a proxy. After 50,000 production requests through our internal gateway, here's what the patterns actually look like.

Rene Fichtmueller / 2026-05-21 / ~2 min read min read
Magatama Security Platform Open Source Origin Story AppSec Cloud Security AI Security LLM Defense ShieldX Compliance NOG Build in Public TypeScript

MAGATAMA 勾玉: Building a Security System That Learns From Every Fix

MAGATAMA is evolving from a security dashboard into a system that detects, prioritizes, remediates, verifies and learns from real incidents.

Rene Fichtmueller / 2026-04-21 / ~3 min read min read
Open Source LLM Security TypeScript AI Defense ShieldX AI Security Prompt Injection Defense Self-Evolving Systems

ShieldX v0.5.0 — Self-Evolving LLM Prompt Injection Defense (Open Source)

Learn about ShieldX v0.5.0 - the cutting-edge open-source solution for defending against prompt injection attacks on large language models.

Rene Fichtmueller / 2026-04-07 / ~4 min read min read
ShieldX LLM Security Open Source Red Team Prompt Injection AI Security Penetration Testing Detection Rate TypeScript MITRE ATLAS

ShieldX v0.4: Red Team Results — 386 Tests, 99.6% Detection, Zero Failures

We red-teamed ShieldX v0.4 with 386 automated and manual attack scenarios across 13 attack categories. The result: 99.6% attack detection, zero test failures, and 100% kill chain coverage.

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