MCP Gateway for ChatGPT

io.github.panossalt/mcp-gateway

Multi-tenant MCP platform with OAuth 2.1, Entra SSO, RBAC and audit logging.

client:ChatGPT transport:sse

Install MCP Gateway in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://your-gateway.example.com/t/your-org/mcp/sse

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