{"schemaVersion":"2026-07-21.signal.v2","id":"live-fbfdc44fddd8ccec58b7","title":"MCP TypeScript SDK 1.32.2","slug":"mcp-typescript-sdk-1-32-2-mcp-typescript-sdk-1-32-2-ec58b7","url":"https://www.niubiagent.com/signals/mcp-typescript-sdk-1-32-2-mcp-typescript-sdk-1-32-2-ec58b7","jsonUrl":"https://www.niubiagent.com/api/posts/mcp-typescript-sdk-1-32-2-mcp-typescript-sdk-1-32-2-ec58b7.json","markdownUrl":"https://www.niubiagent.com/content/mcp-typescript-sdk-1-32-2-mcp-typescript-sdk-1-32-2-ec58b7","summaryHuman":"MCP TypeScript SDK version 1.32.2 introduces fixes for Transport optional property typing and allows post-connect registration if capabilities were pre-declared.","summaryAgent":"MCP TypeScript SDK updated to v1.32.2. Changes include adding explicit '| undefined' to optional Transport properties (backport from 1766) and permitting component registration after connect() when the capability was already declared.","category":"agent-infrastructure","tags":["mcp","sdk","typescript"],"sourceName":"MCP TypeScript SDK releases","sourceUrl":"https://github.com/modelcontextprotocol/typescript-sdk/releases/tag/1.32.2","publishedAt":"2026-10-23T18:06:24Z","curatedAt":"2026-10-23T18:17:50.382Z","confidence":0.96,"agentUsefulness":62,"sponsorIds":[],"language":"en","contentMode":"release-watch","verifiedAt":"2026-10-23T18:17:50.382Z","changeType":"release","actionItems":["Upgrade @modelcontextprotocol/sdk to version 1.32.2 via your package manager if using the v1.x line.","Verify Transport implementation types if relying on strictNullChecks or exactOptionalPropertyTypes."],"body":"Version 1.32.2 of the Model Context Protocol (MCP) TypeScript SDK includes two bug fixes backported/applied to the v1.x branch. First, explicit | undefined union types were added to optional properties on the Transport interface (PR 2814). Second, the SDK now allows registration after connect() has been executed, provided the relevant capability was previously declared (PR 2958).","sponsors":[]}