MatterCatalog for ChatGPT

com.mattercatalog/catalog

Is a smart home device Matter certified? CSA certificates, networks, platforms and US stores.

client:ChatGPT transport:streamable-http tools:5

Install MatterCatalog in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mattercatalog.com/api/mcp?src=mcp-registry

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