3Q PDF & SheetKit for ChatGPT

com.getwold/3q-pdf

One-time purchase, no subscription: Windows PDF app with 36 offline commands and 8 Excel templates.

client:ChatGPT transport:streamable-http tools:3

Install 3Q PDF & SheetKit in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://getwold.com/mcp

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