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Merged
jeffhandley merged 2 commits into from
Aug 5, 2026
Merged

Release v2.1.0 #1792

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6d839c6
Prepare release v2.1.0
jeffhandley Aug 5, 2026
24c252c
Clear stale API compat suppressions from v1.4.1..v2.0.0
jeffhandley Aug 5, 2026
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10 changes: 10 additions & 0 deletions docs/concepts/resources/resources.md
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Expand Up @@ -231,6 +231,16 @@ builder.Services.AddMcpServer()
});
```

#### Customizing a subscriptions/listen stream

For the `2026-07-28` protocol version and later, a server can fully own a long-lived
`subscriptions/listen` stream by registering `WithSubscriptionsListenHandler`. This replaces the
SDK's built-in listen handling. The handler must send one
`notifications/subscriptions/acknowledged` notification before other events, tag every streamed
notification with the listen request ID in `_meta.subscriptionId`, and remain active until its
cancellation token is cancelled. It must also configure only the server capabilities that the
handler actually supports; this extension does not advertise capabilities automatically.

#### Sending resource update notifications

When a resource's content changes, the server notifies subscribed clients:
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4 changes: 2 additions & 2 deletions src/Directory.Build.props
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Expand Up @@ -5,7 +5,7 @@
<PackageProjectUrl>https://csharp.sdk.modelcontextprotocol.io</PackageProjectUrl>
<RepositoryUrl>https://github.com/modelcontextprotocol/csharp-sdk</RepositoryUrl>
<RepositoryType>git</RepositoryType>
<VersionPrefix>2.0.0</VersionPrefix>
<VersionPrefix>2.1.0</VersionPrefix>
<VersionSuffix></VersionSuffix>
<Authors>ModelContextProtocol</Authors>
<Copyright>© Model Context Protocol a Series of LF Projects, LLC.</Copyright>
Expand All @@ -18,7 +18,7 @@
<AssemblyOriginatorKeyFile>$(RepoRoot)\Open.snk</AssemblyOriginatorKeyFile>
<SignAssembly>true</SignAssembly>
<EnablePackageValidation>true</EnablePackageValidation>
<PackageValidationBaselineVersion>1.4.1</PackageValidationBaselineVersion>
<PackageValidationBaselineVersion>2.0.0</PackageValidationBaselineVersion>
</PropertyGroup>

<ItemGroup>
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