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12 changes: 5 additions & 7 deletions README.md
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<!-- prettier-ignore -->
> [!IMPORTANT]
> **This is the `main` branch — v2 of the SDK** (`@modelcontextprotocol/server`, `@modelcontextprotocol/client`), implementing the [2026-07-28 MCP spec](https://modelcontextprotocol.io/specification/2026-07-28).
> **This is the `main` branch: v2 of the SDK** (`@modelcontextprotocol/server`, `@modelcontextprotocol/client`), the stable release line, implementing the [2026-07-28 MCP spec](https://modelcontextprotocol.io/specification/2026-07-28). Start with the [v2 documentation](https://ts.sdk.modelcontextprotocol.io/v2/); coming from v1, see the [migration guide](https://ts.sdk.modelcontextprotocol.io/v2/migration/upgrade-to-v2).
>
> **Have feedback? Please [open a v2 issue](https://github.com/modelcontextprotocol/typescript-sdk/issues/new?template=v2-feedback.yml)** — it is the most useful thing you can do for the SDK right now. The [v2 documentation](https://ts.sdk.modelcontextprotocol.io/v2/) starts with a ten-minute server tutorial.
> **v1.x** (`@modelcontextprotocol/sdk`) lives on the [`v1.x` branch](https://github.com/modelcontextprotocol/typescript-sdk/tree/v1.x) and continues to receive bug fixes and security updates for at least six months after the v2 release (2026-07-27). Its documentation is at [ts.sdk.modelcontextprotocol.io](https://ts.sdk.modelcontextprotocol.io/).
>
> **v2 is the stable release line**, released alongside the 2026-07-28 spec. v1.x continues to receive bug fixes and security updates for at least 6 months after v2's release. v1 documentation: [ts.sdk.modelcontextprotocol.io](https://ts.sdk.modelcontextprotocol.io/) · v2: [`/v2/`](https://ts.sdk.modelcontextprotocol.io/v2/).
> Found a problem in v2? [Open an issue](https://github.com/modelcontextprotocol/typescript-sdk/issues/new?template=v2-feedback.yml).

<!-- prettier-ignore -->
> [!WARNING]
> **We're limiting pull requests to 1 per new contributor while v2 settles after the [2026-07-28 spec](https://modelcontextprotocol.io/specification/2026-07-28) release.**
>
> [Issues](https://github.com/modelcontextprotocol/typescript-sdk/issues/new?template=v2-feedback.yml) are the most useful feedback right now — we'll reopen PRs as v2 stabilizes.
> [!NOTE]
> **Contributors without write access can have one open pull request at a time.** Draft pull requests don't count toward the limit. For a feature or a larger change, please [open an issue](https://github.com/modelcontextprotocol/typescript-sdk/issues/new/choose) first; see [CONTRIBUTING.md](CONTRIBUTING.md).

[![NPM Version - Server](https://img.shields.io/npm/v/%40modelcontextprotocol%2Fserver?label=%40modelcontextprotocol%2Fserver)](https://www.npmjs.com/package/@modelcontextprotocol/server)
[![NPM Version - Client](https://img.shields.io/npm/v/%40modelcontextprotocol%2Fclient?label=%40modelcontextprotocol%2Fclient)](https://www.npmjs.com/package/@modelcontextprotocol/client) ![Apache-2.0 licensed](https://img.shields.io/npm/l/%40modelcontextprotocol%2Fserver)
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