GraphOS MCP Server for ChatGPT
io.github.apollographql/graphos-mcp-server
Search Apollo docs, specs, and best practices
client:ChatGPT
transport:streamable-http
tools:14
Install GraphOS MCP Server in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://mcp.apollographql.com
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs