Applied AI Insights

Stefan Jansen on machine learning, language models, agents and the design of AI-assisted work.

Articles and research

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Projects and demonstrations

Inspect software, methods and saved demonstrations, with their evidence and limitations.

Claude Code Toolkit

28 commands, 5 specialized agents, and 6 domain skills for agentic coding. Built from 6+ months of daily use across book authoring, quant research, and full-stack development.

mdtoken

Pre-commit hook for markdown token limits. Blocks commits that violate limits, preventing context window bloat in AI-assisted development workflows.