Corium 21 Skin Tools for ChatGPT

io.github.jessejohnsohn/corium21

Decode skincare ingredient labels (1% line, % ranges, what each does) and get US dry skin forecasts.

client:ChatGPT transport:streamable-http tools:3

Install Corium 21 Skin Tools in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.corium21.com/mcp

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs