Skip to content
// Builder / Writer

Build products from ideas, write lessons from shipping.

This is Erduo's personal site for engineering writing, practical tools, and selected projects.

// writing

Latest Posts

View All

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.

AI/Agent
8 min read
// tools

Featured Tools

View All
Ready
/tools/markpix

MarkPix

Turn Markdown into social cards with multiple themes and HD export.

Contentopen
Ready
/tools/markwx

MarkWx

Convert Markdown to WeChat-ready layout with themes and code highlighting.

Contentopen
Ready
/tools/gemini-watermark-remover

Gemini Watermark Remover

Upload a Gemini image, remove the visible bottom-right watermark locally, and download the result instantly.

Utilityopen
Ready
/tools/timestamp

Timestamp Pro

Convert between timestamps and dates with seconds, milliseconds, and ISO format support.

Developeropen