studio for ChatGPT

net.reogrid/studio

Turn analyzed data into an Excel-like spreadsheet at a shareable URL: formulas, styles, filters.

client:ChatGPT transport:streamable-http tools:4

Install studio in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://api-studio.reogrid.net/studio/mcp

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