Tools That Don't Upload for ChatGPT

com.toolsthatdontupload/tools

Run saved PDF/office file flows, convert HWP/HWPX to Markdown or DOCX, and call data/text APIs.

client:ChatGPT transport:streamable-http tools:3

Install Tools That Don't Upload in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://toolsthatdontupload.com/mcp

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