Thomas Chang
Builder in the Bay Area
Hello! I'm Thomas. Fullstack product engineer of 5 years with experience building at Amazon and scaling 0 to 1 at pre-seed YC startups.
Check out my open sourced projects on github, or connect with me on Twitter :)
Things I've built
Central (YC S24)
Back-office platform for founders
YC S24
Engineer #1
Clayboard (YC W20)
Virtual workshops made simple and engaging
YC W20
Engineer #1
iMessager
Desktop app for iMessage automation with AI
Infinite News
Endless AI-generated news stream on Twitch
Claude Model Context Protocol Tools and Servers
Collection of several MCP projects
Degrom
AI for construction report writing
Founder
Obsidian AI Reflection
Obsidian plugin for reflective Claude journaling
Soul RAG
Ask questions and get answers across religions
Poptake
Educational lesson planner
YC W20
Engineer #1
Pathspace
Science-based, collaborative brainstorming with AI
YC W20
Engineer #1
Shrigma
A niche LLM Slackbot assistant for my personal tasks
AI Speech Coach
Actionable feedback from your AI speech coach
Dinah
Prompt template manager
GPTweet
AI-powered tweet generator
Amazon Returns
Repair workflows for customer returns
Software Engineer
My first job!
Blog posts
Use Claude to control your iMessages
How to build an MCP server for iMessage
Guide
Scene detection with timestamps from videos using Gemini
Using Gemini's video understanding to automate scene detection
Build an LLM Journaling Reflection Plugin for Obsidian
How to add LLMs to Obsidian for better journaling
Guide
Turning old projects into Claude tools
Rapid Claude tool creation with MCP
Guide
Create Claude Model Context Protocol (MCP) tools via CLI
How to add LLMs to Obsidian for better journaling
Guide
My AI tech stack in 2024
What I used to build AI-enabled apps in 2024
A delightful PostgreSQL setup for early startups
A developer-friendly PostgreSQL setup for small startups beginning to scale
Guide