II. Section two

Products.

Things shipped, with the decisions, trade-offs, and what would be done differently - left in.

Natural language analysis over your own datasets

Drop in a flat file and get back answers, analysis, plots, and written-up reports - not just a query.

Built Apr 2025 Written Jan 2026 Single agents · Python sunset write-up coming soon

Automatic data visualisation from CSVs and spreadsheets

How a six-stage prompt chain turned raw CSVs into shareable charts in August 2024 - the design decisions, the evals we built too late, and why the agents that killed it are the ones I'd build today.

Built Aug 2024 Written Dec 2025 Prompt chaining · Python sunset