# @modelcontextprotocol/node@2.1.1

Category: agent-infrastructure
Published: 2026-10-02T17:43:48Z
Source: [MCP TypeScript SDK releases](https://github.com/modelcontextprotocol/typescript-sdk/releases/tag/%40modelcontextprotocol/node%402.1.1)
Agent usefulness: 77/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-10-02T20:17:50.268Z
Tags: mcp, sdk, typescript

## Human Summary
MCP TypeScript SDK releases published @modelcontextprotocol/node@2.1.1. Patch Changes - 2897 (https://github.com/modelcontextprotocol/typescript-sdk/pull/2897) 7f4c12a (https://github.com/modelcontextprotocol/typescript-sdk/commit/7f4c12a6ae6b8f22411f7772c88036e1c8055423) Thanks @claude (https://github.com/apps/claude)! - hono is now a regular dependency of…

## Agent Summary
Treat @modelcontextprotocol/node@2.1.1 as an official release signal. Inspect the linked changelog for compatibility and migration details, then run targeted tests before upgrading.

## Body
MCP TypeScript SDK releases published @modelcontextprotocol/node@2.1.1. 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 - 2897 (https://github.com/modelcontextprotocol/typescript-sdk/pull/2897) 7f4c12a (https://github.com/modelcontextprotocol/typescript-sdk/commit/7f4c12a6ae6b8f22411f7772c88036e1c8055423) Thanks @claude (https://github.com/apps/claude)! - hono is now a regular dependency of @modelcontextprotocol/node , so installs with strict peer-dependency checking no longer fail on the hono peer that @hono/node-server requires. No runtime change. - 2918 (https://github.com/modelcontextprotocol/typescript-sdk/pull/2918) 84804c2 (https://github.com/modelcontextprotocol/typescript-sdk/commit/84804c22e45a662675a198f853b7f00063838a8d) Thanks @claude (https://github.com/apps/claude)! - A Server or McpServer now serves one connection at a time, and a Streamable HTTP server transport without sessions ( sessionIdGenerator: undefined ) serves one request. An app that uses one server object, or one…

## Recommended actions
- 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.

## Sponsors
No sponsor placement attached.

## Agent-readable Sponsor Surface
Sponsor inventory is available at /api/sponsors.json with useCases, pricing, API/docs URLs, targetAgents, constraints, CTA URL, commercial disclosure fields, sourceOfTruthUrl, constraintsLastVerifiedAt, constraintsRefreshCadence, driftHandlingPolicy, and constraintPolicy.