GridSmith Puzzle Maker for ChatGPT
io.github.theluckystrike/puzzle-maker
Crossword, word search, sudoku
client:ChatGPT
transport:streamable-http
tools:3
Install GridSmith Puzzle Maker in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://puzzle-maker.zovo.one/mcp
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs