Lead · MCP Ecosystem
MCP moving from a persistent bidirectional connection to a request-response model sounds like an architecture detail, but it's what actually determines whether an MCP server can run on serverless — the least flashy, most practical line in this whole update.
Hannah Scott
·
August 29, 2026
MCP (Model Context Protocol) received its most significant spec update to date on July 28, 2026. This isn't a surface-level adjustment — it touches the protocol's underlying architecture. If you regularly connect to MCP servers, or you're considering building one yourself, this update directly affects practical questions like how to architect it and whether it can hold up under load.From a...