Model Context Protocol Blog

The official Ruby SDK for the Model Context Protocol is now a Tier 1 SDK, as recorded in the Tier 1 assessment under the SDK tiering system. Ruby joins TypeScript, Python, C#, Go, and Rust as the sixth Tier 1 SDK, meeting the tier’s requirements for full feature support, a 100% conformance pass rate, and a maintenance commitment with defined response times. Full support for the 2026-07-28 revision Version 1.2.0 of the mcp gem completes support for the 2026-07-28 revision: ...

Today we’re excited to publish an updated roadmap for the Model Context Protocol (MCP), covering the next specification release and beyond. It sets the direction for protocol work over the coming months and was developed by the Core Maintainers together with our community of maintainers and Working Groups. Explore the roadmap → Looking back The previously published roadmap came out in March with four priority areas: transport evolution and scalability, agent communication, governance maturation, and enterprise readiness. We’ve made significant progress in all of these over the past five months. ...

Since our last November release MCP continued to grow at an astonishing rate. Across our Tier 1 SDKs, we’re seeing close to half-a-billion downloads a month, with both TypeScript and Python SDKs crossing the 1 billion total downloads threshold. In just a few months, the protocol continued to grow as the data and interactivity substrate for agentic workflows. Today, we’re officially pushing the release button on the next version of the MCP specification, 2026-07-28, along with the SDKs that will allow you to start building clients and servers right away. ...