Whimsical for ChatGPT

com.whimsical/mcp

Create and edit flowcharts, mind maps, wireframes, and docs in Whimsical, or search your workspace.

client:ChatGPT transport:streamable-http

Install Whimsical in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.whimsical.com/mcp

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