Open source

What I build

Open source projects I maintain around AI, email, and developer productivity. Click through to see the source on GitHub.

TypeScript

Anpai.Life

AI-powered cross-platform task management

A task + calendar + AI planning productivity app with PC/mobile sync, natural-language task creation, and smart scheduling.

ProductivityCross-platformAI
Shell1

OPC Skills

Codex Skill for C-side + B-side delivery pipeline

A Codex Skill for OPC/Dida-style products that chains requirement clarification, product design, B-side ops pages, architecture governance, development, testing, integration, and release gates into one reusable workflow — so agents keep making correct calls in complex business contexts.

SkillDelivery PipelineAgent
TypeScript

AI Gateway

Unified multi-model gateway

Connect multiple LLMs in one place, centralizing keys, rate limiting, logging, and cost governance so the business side only cares about calling.

AIGatewayLLM
Go64

Mail Service

Ready-to-use transactional email service

A lightweight email API and template system for verification codes, notifications, and marketing, with deliverability tracking and retry.

EmailAPIInfrastructure