All series

Building

Mio Saga

An AI companion, from v0.0.1 to rethinking the whole thing · 27 parts · Mar 19, 2026

PanPanMao

29 days building an AI Chinese-metaphysics platform · 11 parts · Feb 18, 2026

Souls & Companions

Personality, memory, and restraint for AI companions · 10 parts · Apr 13, 2026

Builder Logs

Build logs for everything else: Agora, ÉLAN, Radar, Shichuan… · 15 parts · Apr 23, 2026

Essays

Agentic AI Thoughts

Long-horizon takes on the agent era · 26 parts · Apr 6, 2026

AI Field Notes

Field notes on whatever is happening in AI · 13 parts · May 29, 2026

Collision & Resonance

Ideas that came out of conversations · 7 parts · May 30, 2026

AI-Native Investor

A ten-chapter course on AI-native investing, zero code · 10 parts · Apr 10, 2026

Explainers & Lore

The Memory Stack

Memory and storage, DRAM to HBM — explainer plus opinion · 6 parts · May 31, 2026

Warhammer 40K

Warhammer 40K lore explainers · 5 parts · May 28, 2026

Warhammer Fantasy

The Old World and the End Times · 4 parts · May 23, 2026

Workflow

Shipping with Claude Code

Real-world Claude Code workflows · 14 parts · Apr 23, 2026

Tools & Skills

Tools, skills, and the occasional rabbit hole · 9 parts · May 29, 2026


© Xingfan Xia 2024 - 2026 · CC BY-NC 4.0