Louis Tsang

TypeScript, Next.js, Node, Python (FastAPI + audio DSP), Postgres/Prisma, BullMQ, Web Audio API. Generalist — I ship the whole stack, from storage plumbing to waveform UI.

MCP server design for long-running tools, and pitch-shifting DSP with the WORLD vocoder.

Lacuna: AI Song Generator, AI Lyrics Generator, stem splitting, sheet-music-to-MIDI and mastering. Plus lacuna-toolkit — the open-source SDK, CLI and MCP server on its public API.

Talking about MCP servers, long-running tool design, audio pipelines, or anything AI music API related.