Sandy Music Lab for ChatGPT
com.sandymusiclab/tools
Free guitar and songwriting tools: transpose chords, capo, chord charts, vocal key, delay, strings.
client:ChatGPT
transport:streamable-http
tools:14
Install Sandy Music Lab in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://sandymusiclab.com/mcp/Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs