MCP Client

Connection State

Mcp-Session-Id: —

LB

Streamable HTTP (Shared Init State)

Node 1

Connection State

Mcp-Session-Id: —

Node 2

Connection State

Mcp-Session-Id: —

Node 3

Connection State

Mcp-Session-Id: —

initialize →

InitializeRequest

Mcp-Session-Id: sess_abc123

○ Shared storage syncs initialize state across servers...