II.
Capability overview
Reference · livecapability:mcp-protocol-version-header
MCP-Protocol-Version header overview
The entity sends/honors the mandatory `MCP-Protocol-Version` HTTP header on Streamable HTTP transports, recording the negotiated protocol version on every subsequent request. Required by MCP spec revision 2025-06-18. See https://modelcontextprotocol.io/specification/2025-06-18/basic/transports
Attributes
displayName
MCP-Protocol-Version header
description
The entity sends/honors the mandatory `MCP-Protocol-Version` HTTP
header on Streamable HTTP transports, recording the negotiated
protocol version on every subsequent request. Required by MCP spec
revision 2025-06-18.
See https://modelcontextprotocol.io/specification/2025-06-18/basic/transports
appliesToNodeKinds
- AgentRuntimeImpl
- ToolServer
category
agent
Outgoing edges
None.
Incoming edges
supports1
- agent-runtime-impl:claude-code.runtime@1.x·AgentRuntimeImplClaude Code Runtime (1.x)