Module streamable_http 

Streamable HTTP Transport for MCP 2025-06-18

This module implements the “Streamable HTTP” transport mechanism introduced in MCP 2025-03-26, which replaces the previous HTTP+SSE approach from 2024-11-05.

Key Improvements over HTTP+SSE

• Serverless Compatibility: Enables deployment on AWS Lambda, Google Cloud Run
• Improved Scalability: Supports chunked transfer encoding and progressive delivery
• Session Management: Cryptographically secure session IDs for connection tracking
• Enterprise Network Friendly: No long-lived connections or polling requirements

Structs

StreamableHttpContext

Streamable HTTP request context

StreamableHttpHandler

Streamable HTTP transport handler

Enums

McpProtocolVersion

MCP Protocol versions

StreamableResponse

Streamable HTTP response types