Stateless MCP Guide [2026]: What Changed in the Model Context Protocol 2.0

You have an AI agent, a database, and a growing suspicion that wiring them together should not require a custom integration every single time. That is the exact problem the Model Context Protocol (MCP) was built to solve — and in July 2026 it got its most significant update since launch: stateless MCP , the defining change of the 2026-07-28 specification (informally, MCP 2.0). This guide covers…