stagenth · 数据工具箱 for ChatGPT
com.stagenth/data-kit
Query, join, profile, clean and convert CSV/JSON/Parquet with server-side DuckDB over MCP.
client:ChatGPT
transport:streamable-http
Install stagenth · 数据工具箱 in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://stagenth.com/mcp/data-kit/Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs