Ditching "Sessions" and Going Back to Plain HTTP — MCP's Biggest Revision Yet Hands Long-Running Agents a Common Convention Called "Tasks"
MCP, the connectivity standard from Anthropic, reaches its biggest revision since launch on July 28, 2026. It removes "sessions" from the core to go stateless, and adds two extensions: "Tasks," a common convention for long-running work, and "MCP Apps," which return a UI. Breaking changes are include