Sdk

Version 1.0.0 of the official Ruby SDK for the Model Context Protocol is now available. This is the first stable release of the mcp gem: the public API is now stable, and breaking changes ship only in major releases, following the Semantic Versioning policy documented in VERSIONING.md. Alongside the release, the Ruby SDK now meets every Tier 2 requirement of the SDK tiering system, as recorded in the Tier 2 assessment, and development toward Tier 1 is ongoing. ...

The MCP protocol is about to undergo its biggest revision since launch. As you might’ve seen from our recent release candidate announcement, the new protocol revision goes stateless, removing the initialize handshake and the protocol-level session, and completing the plan we laid out in The Future of MCP Transports. If you’re building MCP servers, you can now scale them using a simple round-robin load balancer, removing the need to manage sticky sessions and to store shared sessions. For client developers, new patterns, like Multi Round-Trip Requests (MRTR) enable a whole new range of possibilities for server-to-client interactions. You can check out the full changelog to see what’s coming. ...