#streaming

A terminal window showing the verbatim MCP 2026-07-28 changelog entry: eliminated Last-Event-ID header and SSE event IDs, broken streams require re-issuing as new requests

MCP Removes SSE Resumability (Last-Event-ID Gone)

The 2026-07-28 MCP spec eliminates Last-Event-ID and SSE event IDs. A broken stream now requires re-issuing the whole request, not resuming in place.

Aug 6, 2026Read more →

A terminal window showing a real MCP notification sent over a subscriptions/listen stream: notifications/tools/list_changed

AI Productivity

MCP Replaces SSE Subscriptions With subscriptions/listen

The 2026-07-28 MCP spec replaces the SSE GET endpoint with an opt-in subscriptions/listen stream. Clients now request each notification type explicitly.

Aug 6, 2026Read more →