Archboard for ChatGPT

app.getarchboard/archboard

Create, read and edit architecture, flow and ER diagrams on a live canvas shared with your team.

client:ChatGPT transport:streamable-http

Install Archboard in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://getarchboard.app/mcp

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