PickShade color tools for ChatGPT
com.pickshade/pickshade
18 color tools: OKLCH, WCAG and APCA contrast fixes, palettes, gradients, color blindness, tokens.
client:ChatGPT
transport:streamable-http
tools:18
Install PickShade color tools in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://pickshade.com/api/mcp
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs