commonspecs for ChatGPT

com.commonspecs/catalog

Product and service specs with per-field confidence, plus dated price offers.

client:ChatGPT transport:streamable-http

Install commonspecs in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.commonspecs.com/mcp

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