Resumable server-sent event streams via the Last-Event-ID header are not supported in the 2026-07-28 revision.
Checked 2026-09-05
Resumable SSE streams via Last-Event-ID are not supported.
- Vendor
- Model Context Protocol project
- Product
- Model Context Protocol
- Subsystem
- protocol
- Deployment
- not restricted
- Region
- not restricted
- Release range
- specification revision 2026-07-28
- Checked
- 2026-09-05
Sources
- Model Context Protocol specification 2026-07-28, Streamable HTTP — Model Context Protocol project · tier 1 standards and regulators · Streamable HTTP
Cite this note
APA
WarmTransfer. (2026, September 5). The MCP subscriptions listen stream and notification delivery: source note mcpsub-no-last-event-id-resume. WarmTransfer. https://warmtransfer.net/knowledge/claims/mcpsub-no-last-event-id-resume
BibTeX
@misc{warmtransfer-claim-mcpsub-no-last-event-id-resume,
title = {The MCP subscriptions listen stream and notification delivery: source note mcpsub-no-last-event-id-resume},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/mcpsub-no-last-event-id-resume},
note = {Source note mcpsub-no-last-event-id-resume, checked 2026-09-05}
}