Notes from the field.

Essays and engineering notes on AI, robotics, and production systems — written like white papers, readable like conversations. Keep scrolling; the feed loads as you go.

August 1, 202610 min read

RAG finds the sentence. SPIRE remembers where it lives.

Most RAG pipelines flatten HTML into chunks and throw away the structure that makes evidence intelligible. SPIRE keeps the document tree, retrieves precise sentence-level paths, and adds context only when it is needed.

July 13, 20265 min read

graphmem: one shared brain for every Claude and Codex session I run

Claude Code and Codex are absurdly capable. The mess is everything around them: secrets, deployments, and context scattered across MongoDB, GCP, Vercel, Tailscale, and four machines. So I built a knowledge-graph memory on Oracle's free tier, and now every session everywhere shares one brain.

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