From 107e66d3e2615d316d58ed1d2d4a17b630d71a05 Mon Sep 17 00:00:00 2001 From: Felix Weinberger <3823880+felixweinberger@users.noreply.github.com> Date: Fri, 2 Oct 2026 19:14:37 +0000 Subject: [PATCH] [v1.x] docs: point the README at v2 and say what v1.x supports A banner at the top says this is the maintenance line, that it implements the spec up to 2025-11-25, that the 2026-07-28 spec is not planned for v1.x and lives in v2, and how long v1.x gets fixes. The licence badge now links to this branch's LICENSE, and the spec link names 2025-11-25 instead of the draft. --- README.md | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/README.md b/README.md index 2d2f19ae37..b12baa1f11 100644 --- a/README.md +++ b/README.md @@ -1,4 +1,10 @@ -# MCP TypeScript SDK [![NPM Version](https://img.shields.io/npm/v/%40modelcontextprotocol%2Fsdk)](https://www.npmjs.com/package/@modelcontextprotocol/sdk) [![MIT licensed](https://img.shields.io/npm/l/%40modelcontextprotocol%2Fsdk)](https://github.com/modelcontextprotocol/typescript-sdk/blob/main/LICENSE) +# MCP TypeScript SDK [![NPM Version](https://img.shields.io/npm/v/%40modelcontextprotocol%2Fsdk)](https://www.npmjs.com/package/@modelcontextprotocol/sdk) [![MIT licensed](https://img.shields.io/npm/l/%40modelcontextprotocol%2Fsdk)](https://github.com/modelcontextprotocol/typescript-sdk/blob/v1.x/LICENSE) + +> **This is v1.x of the MCP TypeScript SDK, the maintenance line.** It implements the MCP spec up to 2025-11-25. Support for the [2026-07-28 spec](https://modelcontextprotocol.io/specification/2026-07-28) is not planned for v1.x: it is in v2, the current stable release, which +> ships as separate packages, [`@modelcontextprotocol/server`](https://www.npmjs.com/package/@modelcontextprotocol/server) and [`@modelcontextprotocol/client`](https://www.npmjs.com/package/@modelcontextprotocol/client). See the +> [v2 documentation](https://ts.sdk.modelcontextprotocol.io/v2/) and the [migration guide](https://ts.sdk.modelcontextprotocol.io/v2/migration/upgrade-to-v2). +> +> **Staying on v1.x?** It continues to receive bug fixes and security updates for at least six months after the v2 release (2026-07-27). The v1 documentation is at .
Table of Contents @@ -17,7 +23,7 @@ ## Overview The Model Context Protocol allows applications to provide context for LLMs in a standardized way, separating the concerns of providing context from the actual LLM interaction. This TypeScript SDK implements -[the full MCP specification](https://modelcontextprotocol.io/specification/draft), making it easy to: +[the 2025-11-25 MCP specification](https://modelcontextprotocol.io/specification/2025-11-25), making it easy to: - Create MCP servers that expose resources, prompts and tools - Build MCP clients that can connect to any MCP server