Source note · Model Context Protocol transports compared
On stdio in MCP revision 2026-07-28, if the connection is terminated and then re-established the client MUST re-send subscriptions/listen to re-establish its subscriptions, because the server holds no subscription state across reconnections.
Checked 2026-09-30
- Vendor
- Model Context Protocol project
- Product
- MCP specification
- Subsystem
- subscriptions
- Deployment
- local-subprocess
- Region
- not restricted
- Release range
- MCP revision 2026-07-28
- Checked
- 2026-09-30
Sources
- Model Context Protocol specification 2026-07-28, Subscriptions — Model Context Protocol project · tier 1 standards and regulators · section Cancellation, subsection Graceful Closure, paragraph beginning On stdio
Cite this note
APA
WarmTransfer. (2026, September 30). Model Context Protocol transports compared: source note mcp-transport-differences-stdio-resubscribe. WarmTransfer. https://warmtransfer.net/knowledge/claims/mcp-transport-differences-stdio-resubscribe
BibTeX
@misc{warmtransfer-claim-mcp-transport-differences-stdio-resubscribe,
title = {Model Context Protocol transports compared: source note mcp-transport-differences-stdio-resubscribe},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/mcp-transport-differences-stdio-resubscribe},
note = {Source note mcp-transport-differences-stdio-resubscribe, checked 2026-09-30}
}