HornLib — Interactive French Horn F/Bb Double Horn Fingering & Harmonics Engine for ChatGPT
com.hornlib/mcp
Look up French Horn F/Bb double horn valve fingerings, trigger combinations & partials.
client:ChatGPT
transport:streamable-http
tools:8
Install HornLib — Interactive French Horn F/Bb Double Horn Fingering & Harmonics Engine in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://hornlib.com/api/mcpCustom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs