# @modelcontextprotocol/server-legacy@2.1.0

Category: agent-infrastructure
Published: 2026-09-23T15:43:20Z
Source: [MCP TypeScript SDK releases](https://github.com/modelcontextprotocol/typescript-sdk/releases/tag/%40modelcontextprotocol%2Fserver-legacy%402.1.0)
Agent usefulness: 82/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-09-24T00:17:22.508Z
Tags: mcp, sdk, typescript

## Human Summary
Release @modelcontextprotocol/server-legacy@2.1.0 updates the core dependency to version 2.1.0.

## Agent Summary
Patch release 2.1.0 for @modelcontextprotocol/server-legacy with an updated dependency on @modelcontextprotocol/core@2.1.0.

## Body
The patch release for @modelcontextprotocol/server-legacy updates its internal dependencies, specifically bumping @modelcontextprotocol/core to version 2.1.0 (commit dcc0102). No functional changes or other modifications are documented in the release notes.

## Recommended actions
- Update @modelcontextprotocol/server-legacy to version 2.1.0 in projects using this package.

## 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.