McpStamp Spreadsheets for ChatGPT

io.github.theluckystrike/excel-spreadsheet-xlsx-csv

Read, filter, group and write XLSX, CSV, TSV and JSON data, and convert between the formats.

client:ChatGPT transport:streamable-http runtime:mcpb tools:13

Install McpStamp Spreadsheets in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.zovo.one/mcp/spreadsheet

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