Source note · Model Context Protocol transports compared
In Streamable HTTP under MCP revision 2026-07-28, the Mcp-Method header (mirroring method) is required on all requests and the Mcp-Name header (mirroring params.name or params.uri) is required on tools/call, resources/read and prompts/get requests.
Checked 2026-09-30
- Vendor
- Model Context Protocol project
- Product
- MCP specification
- Subsystem
- request metadata
- Deployment
- remote-http
- Region
- not restricted
- Release range
- MCP revision 2026-07-28
- Checked
- 2026-09-30
Sources
- Model Context Protocol specification 2026-07-28, Streamable HTTP — Model Context Protocol project · tier 1 standards and regulators · section Request Metadata, subsection Standard Request Headers, table
Cite this note
APA
WarmTransfer. (2026, September 30). Model Context Protocol transports compared: source note mcp-transport-differences-http-standard-headers. WarmTransfer. https://warmtransfer.net/knowledge/claims/mcp-transport-differences-http-standard-headers
BibTeX
@misc{warmtransfer-claim-mcp-transport-differences-http-standard-headers,
title = {Model Context Protocol transports compared: source note mcp-transport-differences-http-standard-headers},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/mcp-transport-differences-http-standard-headers},
note = {Source note mcp-transport-differences-http-standard-headers, checked 2026-09-30}
}