HTTP MCP Server

This crate provides HTTP transport for Model Context Protocol (MCP) servers. It supports both modern Streamable HTTP (2025-03-26+) and legacy HTTP+SSE transports for maximum compatibility with all MCP clients.

Supported Transports

• Streamable HTTP (2025-03-26+): Recommended for production deployments
• HTTP+SSE (2024-11-05): Legacy transport for backwards compatibility

Features

• Automatic protocol version detection and routing
• CORS support for browser-based clients
• Session management with cryptographically secure IDs
• Graceful error handling and JSON-RPC 2.0 compliance