Open Swimcast
Another little app I only built because it was essentially free to build - this one gets my podcast feed onto a pair of underwater swimming headphones.
Artificial intelligence
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David's Debbie App
Another little bespoke app I built for myself - this one translates English and German live so I can talk to my sister-in-law.
Climbing the Ladder of Abstraction
I gave a talk at AI Practitioner London on what 'good enough' looks like when you can no longer review every line an AI writes.
Recent Post
Claude Agent SDK: Part 2
Continuing to explore Anthropic's Agent SDK - making tool calls more descriptive and learning about Python introspection.
First Impressions of Claude Cowork Mode
Trying out Anthropic's new Claude Cowork mode.
Exploring the Claude Agent SDK
Learning in public: experimenting with Anthropic's Agent SDK after hearing that anything Claude Code can do, you can do with the SDK.
Three Things I Did Over Christmas
One of the nice things about time off is the chance to play a little.
LLM Evals Course: Complete Course Recap
This is my recap of Hamel and Shreya's LLM evaluation course. I'm hoping I come back here in the future every time I need to remind myself of how to do this the right way.
LLM Evals Lesson 8: Improving LLM Products
Notes from the final lesson of Hamel and Shreya's LLM evaluation course - practical strategies for improving accuracy and reducing costs through prompt refinement, architecture changes, fine-tuning, and model cascades.