Erduo · Engineer · Trader · Writer
Hi, I'm
Erduo
Engineer · Trader · WriterBackend first, then product — these days mostly AI apps and indie development. Also a trader: no predictions, just rules and reviews.
Now
2026.09- Building
- Cortext, ClipDot and SnipDot — three Mac apps
- Learning
- ICT, coming over from price action — six notes in
- Writing
- A trading review every week, AI and engineering now and then
- Open source
- The skills I use every day, 940 stars
- Cortext
- ClipDot
- SnipDot
- Erduo Skills
- Weekly review
- Indie dev
- Skill
- Claude Code
- ICT series
- Order flow
- MNQ
- Prop firm
- Research strategy
- MCP
Cortext Local Markdown, grown into a living AI knowledge base 
ClipDot A tiny native clipboard for macOS 
SnipDot A macOS screenshot tool that knows when to stop 
PA Base Indicators ICT Base Indicators Research strategy Nasdaq-100 — annualized —
S&P 500 — annualized —
ICBC — annualized —
Yangtze Power — annualized —
CSI Dividend — annualized —
Monthly DCA · dividends reinvested Data through — Latest
Writing 20 Trading 1
Pruning Your AI Workflow: A TikTok Summarizer Case Computer science calls it pruning. Building a TikTok video summarizer end to end, and using pruning to cut an AI workflow to the bone. Nano Banana: Gemini Image Naming Decoded Explaining the version numbering logic of Google's Gemini Image series (Nano Banana), and why Nano Banana 2 didn't surpass Nano Banana Pro. 
Seven Tips for Using Claude Code From Plan mode to Sub-fractal Architecture, from MCP retrieval to Agent collaboration—seven battle-tested tips to double your Claude Code efficiency. 
Five Insights from Altman on AI and Entrepreneurship From Altman's live interview: the future of software engineers, GTM bottlenecks, moats for AI products, and the skills that matter most.