27-day longest streak
Rees Calder I build AI agent systems that do real work in production. Kern is the main one: an autonomous agent that has run my actual life since April 2026,…
Rees Calder
I build AI agent systems that do real work in production.
Kern is the main one: an autonomous agent that has run my actual life since April 2026, on a Supabase Postgres instance it manages itself. 114 tables, 460k rows, 22k pgvector memories, 100% row-level security, ~68 migrations shipped entirely over the Management API. It reads my email, manages my calendar, remembers everything, and ships its own code.
Most of my work lives in private production repos under @LevityLeads, my systems studio. Ask me about any of it.
Before this: CMO at Thingiverse (the world's largest 3D printing community), founder of Levity Leads, 12 years across marketing, product and growth.
More at reescalder.com.
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agent-memory-supabase
Long-term memory for AI agents on plain Supabase Postgres. Hybrid vector + full-text + entity recall with RRF, temporal validity, write-time dedup. You own the SQL and the rows.
PLpgSQL ★ 3 5d agoExplain → -
thingiverse-labs
Source of challenges.thingiverse.com: challenges, events map, and 16 maker tools for the Thingiverse community
HTML ★ 0 2d agoExplain → -
memory-map
Single-file explainer site for a personal AI operating system's memory architecture.
HTML ★ 0 2d agoExplain → -
kern-nervous-system
Interactive nervous-system map of a personal AI-agent operating system. One self-contained HTML file.
HTML ★ 0 2d agoExplain → -
claude-skills
A working library of Claude Skills from real projects: video generation, agent memory, deploys, UI components, SEO.
Python ★ 0 2d agoExplain → -
kern-interface-starter
Next.js + Supabase frontend starter for a personal AI-assistant system.
TypeScript ★ 0 2d agoExplain → -
designrip
Extract any website's complete design system with one command.
JavaScript ★ 0 2d agoExplain → -
sortish
Daily fact-ranking puzzle game. Rank six real-world facts from lowest to highest. React + TypeScript + Vite.
TypeScript ★ 0 2d agoExplain → -
reescalder
Profile
★ 0 5d agoExplain → -
Ultracortex ⑂
Files related to the ultracortex, the OpenBCI 3D-printable EEG headset currently under development
★ 0 10y agoExplain →
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