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Santos Li avatar

AI Product BuilderFull-Stack Engineer

I design and build AI-native products—from agents and tools to the systems behind them. I work across engineering, product design, and applied research to turn complex problems into products that work.

Hangzhou, China

Featured Products

Proof Take wordmark above the macOS app’s review window

Proof Take

Check recordings against your script on Mac

Proof Take flags possible misreads, omissions, and extra words in English and Chinese recordings. Listen to each flagged passage, export a timestamped list of fixes, and check the revised take. Audio and scripts stay on your Mac.

SkillBox wordmark above its local agent skills dashboard

SkillBox

Local-first skill management

SkillBox is a local-first macOS app for managing SKILL.md-based capabilities across Codex, Claude Code, Cursor, and other agent runtimes—with review-before-write workflows and versioned updates.

My Toolkit

AI Subscriptions

ChatGPT ProX Premium即梦 ProClaude Pro

Daily Tools

ChatGPTCursorClaudeGhosttyObsidianTypeless

Let’s build something interesting.