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v2 backcompat: server legacy package (#2206)

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Co-authored-by: Felix Weinberger <3823880+felixweinberger@users.noreply.github.com>
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Konstantin Konstantinov 2026-06-01 17:33:32 +03:00 • committed by GitHub
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docs/faq.md
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@ -71,7 +71,7 @@ The [server quickstart](./server-quickstart.md) walks you through building a wea
### Where are the server auth helpers?
Resource Server helpers (`requireBearerAuth`, `mcpAuthMetadataRouter`, `OAuthTokenVerifier`) are first-class in `@modelcontextprotocol/express`. The Authorization Server helpers (`mcpAuthRouter`, `ProxyOAuthServerProvider`, etc.) have been removed from the core SDK; new code should use a dedicated IdP/OAuth library. Example packages provide a demo with `better-auth`.
Resource Server helpers (`requireBearerAuth`, `mcpAuthMetadataRouter`, `OAuthTokenVerifier`) are first-class in `@modelcontextprotocol/express`. Authorization Server helpers (`mcpAuthRouter`, `ProxyOAuthServerProvider`, etc.) are available from `@modelcontextprotocol/server-legacy/auth` (deprecated, frozen v1 copy). New code should use a dedicated IdP/OAuth library for the AS. Example packages provide a demo with `better-auth`.
### Why did we remove `server` SSE transport?