Selected Work

Projects

Things I've built and shipped — from agentic AI platforms to backends that hold ten thousand concurrent players.

A2A Discovery Server

GITHUB.COM/A2A-LIB · 2026

A2A Discovery Server

Open-source registration and discovery service for AI agents publishing A2A Agent Cards. Supports multiple runtime instances, TTL heartbeats, discovery by skill and capability, and an optional distributed etcd store. Includes a typed TypeScript client with managed registration leases and automatic renewal, used by this website's coding and weather agents.

A2ATypeScriptNode.jsAgent DiscoveryetcdDocker
Registry server ↗TypeScript client ↗
Mia Platform

AIBLY.IO · 2025 — 2026

Mia Platform

Agentic AI orchestration platform deploying specialised agent workflows for large-volume document analysis.

LangchainLangGraphCrewAIAWSSQSS3RedisCeleryPineconepgvectorBedrockPythonTypeScriptReactClaudeLlama.cpp
Online Casino Platform

WEWIP.CASINO · 2019 — 2023

Online Casino Platform

Architected and implemented the backend for game logic, studio management, and admin portal. Optimized system to support 10k+ concurrent players, ensuring seamless performance.

GoNode.jsPythonKafkaKubernetesMicroservicesDistributed Systems
Two decades of shipping at Digicrafts

DIGICRAFTS.COM.HK · 2004 — 2022

Two decades of shipping at Digicrafts

Founded and ran a software development company delivering full stack web and mobile products, managing the full lifecycle from solution design to deployment and client delivery.

FounderWeb & MobileFull lifecycle
fpv — Terminal File Cockpit & Previewer

GITHUB.COM/DIGICRAFTS · 2026

fpv — Terminal File Cockpit & Previewer

Ultra-fast terminal-native file cockpit and previewer built with Rust and Ratatui. Features split-pane tree navigation, tree-sitter syntax highlighting, Git diff reviews, and ASCII art previews.

RustRatatuiTUICLIDeveloper ToolsGit
Markdown Preview for macOS

GITHUB.COM/DIGICRAFTS · 2026

Markdown Preview for macOS

Native macOS Quick Look plugin that renders Markdown files as styled HTML directly in Finder, supporting syntax highlighting, tables, blockquotes, and code formatting.

macOSQuick LookSwiftMarkdownDeveloper Tools