XLSX.now MCP Server for ChatGPT
io.github.chrisyau83/xlsx-now
Convert XLSX spreadsheets to and from XLS, CSV, PDF, JPG, HTML and ODS.
client:ChatGPT
transport:streamable-http
tools:4
Install XLSX.now MCP Server in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://xlsx.now/mcp
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs