I’m Jack, a TiDB maintainer and distributed systems engineer. I write about transaction correctness, storage, agent runtimes, and AI infrastructure.
Selected paths: Distributed systems · Agent systems · Inference systems
Featured: Reading TiDB source code · Designing agentd · OceanBase internals
mood-midi-mlx is a first-pass Apple MLX project for mood-conditioned symbolic MIDI generation.
driftloop is a pure-frontend generative music app that composes and synthesizes continuous multi-instrument background music in the browser.
Nightfall is a web-based AI Werewolf platform where the browser is the referee and agentd supplies the AI seats.
Canopy is a local MCP server for Singapore cycling and walking routes, using GraphHopper with a PCN-biased model and OneMap for geocoding.
good-fishing-day is a small personal dashboard that combines tide and weather data to estimate whether a day is worth fishing.
map-ask explores how plain-language map questions can become structured geospatial actions using open data sources.
AeroPlay is a mobile-first offline game hub designed to work in airplane mode with local assets and saved progress.
Bedrock Lab is a small Minecraft Bedrock behavior pack for testing gameplay rule changes without experimental toggles.
tegdb-server explores how a small embedded database can be exposed through a PostgreSQL-compatible server surface.
cta-guard is a private trading-system project where the most publishable lesson is risk control, not strategy details.