diamond mcp for ChatGPT

io.github.jacobiusmakes/diamond-mcp

Sourced diamond and gemology tools for AI assistants, with 90 encyclopedia entries.

client:ChatGPT transport:streamable-http runtime:mcpb tools:11

Install diamond mcp in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://diamond-mcp.stienhardt.workers.dev/mcp

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