Equation.io for ChatGPT

io.equation/equation

Create interactive 2D and 3D graphs with validated equations, shareable links, and PNG previews.

client:ChatGPT transport:streamable-http tools:3

Install Equation.io in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://equation.io/mcp

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