# MCP TypeScript SDK 1.30.0

Category: agent-infrastructure
Published: 2026-07-27T17:54:36Z
Source: [MCP TypeScript SDK releases](https://github.com/modelcontextprotocol/typescript-sdk/releases/tag/1.30.0)
Agent usefulness: 82/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-09-19T00:17:26.897Z
Tags: mcp, sdk, typescript

## Human Summary
MCP TypeScript SDK releases published MCP TypeScript SDK 1.30.0. What's Changed fix(server): prioritize zod issues and format them by @mozmo15 in https://github.com/modelcontextprotocol/typescript-sdk/pull/1503 chore(ci): switch publish to OIDC trusted publishing by @felixweinberger in https://github.com/modelcontextprotocol/typescript-sdk/pull/1839 Add…

## Agent Summary
Treat MCP TypeScript SDK 1.30.0 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 MCP TypeScript SDK 1.30.0. This release-watch entry was generated from the project's official GitHub release feed and is kept separate from human-reviewed editorial analysis. Release notes: What's Changed fix(server): prioritize zod issues and format them by @mozmo15 in https://github.com/modelcontextprotocol/typescript-sdk/pull/1503 chore(ci): switch publish to OIDC trusted publishing by @felixweinberger in https://github.com/modelcontextprotocol/typescript-sdk/pull/1839 Add end-to-end test suite by @felixweinberger in https://github.com/modelcontextprotocol/typescript-sdk/pull/2167 v1 stdio buffer limit by @KKonstantinov in https://github.com/modelcontextprotocol/typescript-sdk/pull/2239 fix: support Zod 3.25 method literals by @mattzcarey in https://github.com/modelcontextprotocol/typescript-sdk/pull/2368 Validate Content-Type by parsed media type instead of substring match (v1.x) by @felixweinberger in https://github.com/modelcontextprotocol/typescript-sdk/pull/2444 fix: send SSE keep-alive comment frames from Streamable HTTP server transport (v1.x) by @mattzcarey in…

## 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
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## Agent-readable Sponsor Surface
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