Feature Request: Add Streamable HTTP

Feature Requests
1

The issue explains:

  • The problem: n8n’s hybrid POST+SSE protocol doesn’t match standard MCP transports

  • The impact: Gemini CLI (and other standard MCP clients) can’t connect

  • The solution: Use StreamableHTTPServerTransport from the official MCP SDK

  • Technical details showing exactly what’s expected vs what n8n returns