Projects
Things I've built, on and off the web.
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- maiSQL2026 (opens in new tab)
SQL practice skinned as the maimai rhythm game — solve exercises against a 200k-row SQLite database in the browser, scored PERFECT / GREAT / GOOD / MISS.
- RAG-template2024 (opens in new tab)
Enterprise RAG starter — document ingestion, embeddings, and chat over an organization's knowledge base.
- vocaloid-type2025 (opens in new tab)
Typing rhythm trainer for VOCALOID and UTAU tracks, with maimai-inspired grading.
- bdfz.app2023 (opens in new tab)
北大附中 AI 助手 — RAG over school documents with OpenAI embeddings, serving students and teachers.
- AInnotator2023 (opens in new tab)
Annotate PDFs with AI.