Atomic CSS for ChatGPT

io.github.yoodaekyung/atomic-css

Utility CSS for any platform — near-zero learning curve. Built for developers and AI alike

client:ChatGPT transport:sse

Install Atomic CSS in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://atomiccss.dev/mcp

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