Nymwell Lookup for ChatGPT

com.nymwell/lookup

Check domain availability and prices, and look up any domain's public records. Read-only.

client:ChatGPT transport:streamable-http tools:5

Install Nymwell Lookup in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://nymwell.com/mcp/lookup

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