Wei Tan

A custom publishing platform with per-channel content visibility, scoped full-text search, and AI-assisted content management via an MCP API — built on Next.js, Cloudflare Workers, D1/R2, and an OAuth 2.0 + PKCE auth server.

A privacy-first macOS menu bar app that visualises keystrokes and mouse activity across a 30-day window to reveal work rhythm and app-level attention patterns — fully on-device, zero telemetry.

A local-first Slack agent that intercepts @mentions, replies in your voice via Claude Code, and continuously distils your communication patterns and facts into a personal knowledge base — zero message history in the cloud.