mcp architecture

The Architecture of MCP Servers: JSON-RPC 2.0, Transport Layers, and the 3 Core Primitives

The definitive technical specification for the Model Context Protocol (MCP). A deep dive into the JSON-RPC 2.0 communication model, transport layers (Streamable HTTP, SSE, stdio), the 3 core primitives (Tools, Resources, Prompts), the initialization handshake, lifecycle management, error handling, and the security architecture required for enterprise deployment.