Julian

Julian Kaiser

I build AI agents and automations for founders. 10+ years shipping software, the last few deep in AI — agents, workflows, the whole stack.

Hamburg, Germany · Work with me

Latest

5,700 Messages in 16 Days

· 2 min read

I built a skill that analyzes my AI agent sessions. 5,700 messages, 65 projects, 111 context switches per day. Here are the numbers.

A Full Stack Migration in One Day

· 6 min read

PostgreSQL to SQLite, React to Hotwire, 8 gems removed. An autonomous AI agent ran 37 iterations and migrated a production Rails app in one day.

My AI Coding Workflow, January 2026

· 5 min read

How I use Claude Code with custom skills, voice input, and autonomous agents to ship 5 client projects and a dozen side projects per month.

What Levelsio Wants, I Already Have

· 3 min read

Levelsio tried to get vanilla Claude to automate startup creation. It refused. I already have the stack: domains, servers, DNS, deployment, all via chat.

Just Build It?

· 3 min read

Why I build custom AI agent skills instead of waiting for features. Session analysis, handoffs, model-specific tools, all from existing data.

Agent-Native CLI Design

· 3 min read

Design patterns for CLIs that AI agents actually use well. Structured output, composable atoms, accumulated state, and minimal round-trips.

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