{"schemaVersion":"2026-07-21.signal.v2","id":"live-b29ebf7f0ffe409528d9","title":"MCP TypeScript SDK 2.3.0","slug":"mcp-typescript-sdk-v2-3-0-mcp-typescript-sdk-2-3-0-9528d9","url":"https://www.niubiagent.com/signals/mcp-typescript-sdk-v2-3-0-mcp-typescript-sdk-2-3-0-9528d9","jsonUrl":"https://www.niubiagent.com/api/posts/mcp-typescript-sdk-v2-3-0-mcp-typescript-sdk-2-3-0-9528d9.json","markdownUrl":"https://www.niubiagent.com/content/mcp-typescript-sdk-v2-3-0-mcp-typescript-sdk-2-3-0-9528d9","summaryHuman":"MCP TypeScript SDK releases published MCP TypeScript SDK 2.3.0. Package Version @modelcontextprotocol/client 2.3.0 @modelcontextprotocol/server 2.3.0 @modelcontextprotocol/core 2.3.0 @modelcontextprotocol/server-legacy 2.3.0 @modelcontextprotocol/codemod 2.3.0 @modelcontextprotocol/node 2.1.1 @modelcontextprotocol/express , hono 2.0.2…","summaryAgent":"Treat MCP TypeScript SDK 2.3.0 as an official release signal. Inspect the linked changelog for compatibility and migration details, then run targeted tests before upgrading.","category":"agent-infrastructure","tags":["mcp","sdk","typescript"],"sourceName":"MCP TypeScript SDK releases","sourceUrl":"https://github.com/modelcontextprotocol/typescript-sdk/releases/tag/v2.3.0","publishedAt":"2026-10-02T17:55:03Z","curatedAt":"2026-10-02T18:17:50.860Z","confidence":0.96,"agentUsefulness":77,"sponsorIds":[],"language":"en","contentMode":"release-watch","verifiedAt":"2026-10-02T18:17:50.860Z","changeType":"release","actionItems":["Review the official MCP TypeScript SDK releases release notes before upgrading.","Check compatibility, migration, and security notes against your current agent stack.","Run focused regression tests before production rollout."],"body":"MCP TypeScript SDK releases published MCP TypeScript SDK 2.3.0. This automated release-watch entry was generated from the project's official GitHub release feed and is kept separate from human-reviewed editorial analysis. Release notes: Package Version @modelcontextprotocol/client 2.3.0 @modelcontextprotocol/server 2.3.0 @modelcontextprotocol/core 2.3.0 @modelcontextprotocol/server-legacy 2.3.0 @modelcontextprotocol/codemod 2.3.0 @modelcontextprotocol/node 2.1.1 @modelcontextprotocol/express , hono 2.0.2 @modelcontextprotocol/fastify 2.0.1 Upgrade notes One server per request. Server.connect() now rejects while the instance is already connected, and a stateless Streamable HTTP transport handles one request. Create the McpServer and the transport inside the request handler (or in the createMcpHandler factory) instead of sharing one instance across requests. Creating a server is cheap since 2889 . ( 2918 ) Redirects stay on the same origin. The HTTP client transports now follow a redirect only when it stays on the same origin (same scheme, host and port; http to https on the same host is allowed). A deployment whose…","sponsors":[]}