Source note · Model Context Protocol transports compared
In MCP revision 2025-03-26, the body of a Streamable HTTP POST could be a single JSON-RPC request, notification or response, or an array batching one or more requests and/or notifications, or an array batching one or more responses.
Checked 2026-09-30
- Vendor
- Model Context Protocol project
- Product
- MCP specification
- Subsystem
- Streamable HTTP transport
- Deployment
- remote-http
- Region
- not restricted
- Release range
- MCP revision 2025-03-26 only (legacy)
- Checked
- 2026-09-30
Sources
- Transports - MCP specification revision 2025-03-26 — Model Context Protocol project · tier 1 standards and regulators · section Streamable HTTP, subsection Sending Messages to the Server, item 3
Cite this note
APA
WarmTransfer. (2026, September 30). Model Context Protocol transports compared: source note mcp-transport-differences-v2025-03-26-batching. WarmTransfer. https://warmtransfer.net/knowledge/claims/mcp-transport-differences-v2025-03-26-batching
BibTeX
@misc{warmtransfer-claim-mcp-transport-differences-v2025-03-26-batching,
title = {Model Context Protocol transports compared: source note mcp-transport-differences-v2025-03-26-batching},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/mcp-transport-differences-v2025-03-26-batching},
note = {Source note mcp-transport-differences-v2025-03-26-batching, checked 2026-09-30}
}