October 23, 2026 • 27 min read

Give your LangChain tools and agents a voice in Python: PolyAI's Dialog-RSN-1 hears the caller and writes the reply, LangChain does the work, and the tests run offline.

October 22, 2026 • 18 min read

Build a drop-in voice assistant for any web page in JavaScript: a React 19 widget packaged as one custom element, a small Express relay that holds your key, and PolyAI's Dialog-RSN-1 listening, thinking and speaking in a single model.

May 20, 2026 • 3 min read

Why ShrikeDB uses extendible hashing for its keyspace, and how it avoids the stop-the-world rehash that bites most open-addressing tables.

April 8, 2026 • 2 min read

I moved petermckee.dev from a hand-rolled CRA single-page app to Next.js. Here's what got simpler and what I'd do again.