{"schemaVersion":"2026-07-21.signal.v2","id":"live-486277952bb805142506","title":"@modelcontextprotocol/server@2.2.0","slug":"mcp-typescript-sdk-modelcontextprotocol-server-2-2-0-modelcontextprotocol-server-2-2-0-142506","url":"https://www.niubiagent.com/signals/mcp-typescript-sdk-modelcontextprotocol-server-2-2-0-modelcontextprotocol-server-2-2-0-142506","jsonUrl":"https://www.niubiagent.com/api/posts/mcp-typescript-sdk-modelcontextprotocol-server-2-2-0-modelcontextprotocol-server-2-2-0-142506.json","markdownUrl":"https://www.niubiagent.com/content/mcp-typescript-sdk-modelcontextprotocol-server-2-2-0-modelcontextprotocol-server-2-2-0-142506","summaryHuman":"MCP TypeScript SDK releases published @modelcontextprotocol/server@2.2.0. Patch Changes - 2885 (https://github.com/modelcontextprotocol/typescript-sdk/pull/2885) 9dd722f (https://github.com/modelcontextprotocol/typescript-sdk/commit/9dd722fd0b533b3cb44cd2834409f7ea4dd32b00) Thanks @claude (https://github.com/apps/claude)! - Sending a notification on a…","summaryAgent":"Treat @modelcontextprotocol/server@2.2.0 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/%40modelcontextprotocol/server%402.2.0","publishedAt":"2026-09-28T19:07:55Z","curatedAt":"2026-09-28T20:17:30.892Z","confidence":0.96,"agentUsefulness":77,"sponsorIds":[],"language":"en","contentMode":"release-watch","verifiedAt":"2026-09-28T22:17:29.331Z","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 @modelcontextprotocol/server@2.2.0. 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: Patch Changes - 2885 (https://github.com/modelcontextprotocol/typescript-sdk/pull/2885) 9dd722f (https://github.com/modelcontextprotocol/typescript-sdk/commit/9dd722fd0b533b3cb44cd2834409f7ea4dd32b00) Thanks @claude (https://github.com/apps/claude)! - Sending a notification on a closed connection no longer produces a briefly unhandled promise rejection (seen as unhandledrejection on Cloudflare Workers) in addition to the returned rejection. - 2778 (https://github.com/modelcontextprotocol/typescript-sdk/pull/2778) e3fb9ed (https://github.com/modelcontextprotocol/typescript-sdk/commit/e3fb9edcdec70ed7c8463548ea9b90bbcb74c4ab) Thanks @vjymisal0 (https://github.com/vjymisal0)! - Fix a stack overflow in createMcpHandler when the factory returns the same server instance for more than one request. Returning a fresh instance per request is still required. - 2651…","sponsors":[]}