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Franz Paul

AI Engineer, IT Consultant. Building AI agents that run in production.

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The State of AGENTS.md: Scoring the Agent-Makers' Own Instructions

I scored the AGENTS.md files of the 16 biggest AI agent repos with a deterministic engine. ~1.46M combined stars, zero A grades, and the repo that popularized the convention ranks 13th of 16.

Loop Engineering

Writing an agent loop is one line. Engineering what it carries between wakeups — idempotency, pacing, convergence, a cost ceiling — is the job.

The Missing Layer: Static Security Analysis for CLAUDE.md and AGENTS.md

OWASP LLM Top 10 risks live in your instruction files. Runtime evals don't lint them. Here's what static security analysis catches — with a concrete finding.

Scoring My Own MCP Contribution

A CLAUDE.md I wrote was merged into modelcontextprotocol/servers. My own scorer returned 59.2/100. Where it was right, where it was structurally unfair, and what the gap to 80 would cost.

The blindspot, fixed

Earlier today I published a self-audit that named a blindspot in schliff. Hours later, the fix is up as a PR. The same CLAUDE.md now scores 61.0 instead of 59.2.

What the EU AI Act Actually Asks of a Solo Builder

I built an AI matching system, ran it into Annex III, and walked out the other side. A solo builder's walk-through of EU AI Act compliance — what changed, what I filed, what nobody warned me about.

Your CLAUDE.md Is an Agent Harness

Your CLAUDE.md is an agent harness. Skills are tools, hooks are guardrails, memory is persistence. How to stop configuring and start designing.

Karpathy's LLM Wiki and the Problem Nobody Solved for 80 Years

Karpathy's LLM Wiki solves a problem older than computers: knowledge maintenance. Why every system from Memex to Obsidian failed — and what's different now.

Hydra: A Multi-Model Code Review Council

A code review council built on Karpathy's LLM Council — six advisors across Claude Opus and Codex, cross-examined and synthesized into one verdict.

Claude Code vs. Codex in 2026: What the Benchmarks Miss

I stopped comparing Claude Code and Codex last Tuesday. That's when Codex started reviewing Claude's code — from inside Claude Code.

The Most Useful Claude Code Skills You Should Install

A curated guide to the Claude Code skills that actually save time — from automated debugging to spec-driven workflows.

CLI > MCP: When a Bash Command Beats a Protocol Server

MCP has 97 million monthly downloads and 10,000 servers. But for 80% of what developers actually do, curl and jq is faster, cheaper, and more reliable.

Claude Code Hooks: Automating Your AI Workflow

Claude Code hooks are shell commands that fire on events inside the agent loop. A working guide to the schema, the full event list, and the four traps people keep hitting.

Skills Are the New Dotfiles

How Claude Code skills became the new dotfiles — a personal developer identity layer that defines not just your tools, but how you think.

MCP Servers That Actually Improve Your Dev Workflow

A practical look at Model Context Protocol servers — which ones matter, how to configure them, and what they enable.

Why I Write Specs Before Code

Every non-trivial article on this blog starts as a markdown spec. A practitioner's case for spec-first work with AI assistants — with the artifacts named.