Use Which Tool for ChatGPT

com.usewhichtool/ai-tools

Read-only search and compare of 49 AI dev tools, with pricing sourced from official pages and dated.

client:ChatGPT transport:streamable-http tools:4

Install Use Which Tool in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://usewhichtool.com/mcp

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