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Pull requests: modelcontextprotocol/csharp-sdk

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Pull requests list

Replace concrete List<T> with IList<T> in public API surface
#1326 opened Feb 20, 2026 by Copilot AI • Draft
@stephentoub
2
Omit null mimeType from ResourceContents JSON serialization
#1325 opened Feb 20, 2026 by Copilot AI Loading…
@stephentoub
Fix flaky DiagnosticTests on net10.0 by waiting for specific activities
#1324 opened Feb 20, 2026 by Copilot AI Loading…
@stephentoub
Remove unnecessary _connectCts field from McpClientImpl
#1323 opened Feb 20, 2026 by Copilot AI Loading…
@stephentoub
Remove dead code: options ??= new() in McpServerImpl constructor
#1322 opened Feb 20, 2026 by Copilot AI Loading…
@stephentoub
Validate mimeType in ImageContentBlock.FromBytes and AudioContentBlock.FromBytes
#1321 opened Feb 20, 2026 by Copilot AI Loading…
@stephentoub
Add missing Title and Icons properties to ResourceLinkBlock
#1320 opened Feb 20, 2026 by Copilot AI Loading…
@stephentoub
Avoid string intermediates in MCP transport read path
#1319 opened Feb 19, 2026 by Copilot AI • Draft
1
@ericstj
Add Extensions support to ClientCapabilities and ServerCapabilities
#1317 opened Feb 19, 2026 by Copilot AI Loading…
8 tasks done
@stephentoub
2
Bump hono from 4.11.7 to 4.12.0 in the npm_and_yarn group across 1 directory dependencies Pull requests that update a dependency file javascript Pull requests that update javascript code
#1316 opened Feb 19, 2026 by dependabot bot Loading…
feat: expose StreamableHttpHandler for MVC controller support
#1311 opened Feb 19, 2026 by jtarquino Loading…
7 of 9 tasks
2
feat: Add Enterprise Managed Authorization (SEP-990) support
#1305 opened Feb 18, 2026 by aniket-okta Loading…
1
4
Allow .NET 8 projects to consume the MCP SDK NO MERGE PR should not be merged until the label is removed
#1297 opened Feb 17, 2026 by dagirard Loading…
6 of 9 tasks
7
Add DeleteStreamsForSessionAsync to ISseEventStreamStore
#1288 opened Feb 16, 2026 by mikekistler Loading…
1
5
Add CallToolResult<T>, CallToolAsync<T>, and OutputSchema for tools returning CallToolResult
#1272 opened Feb 14, 2026 by Copilot AI • Draft
1
@stephentoub
66
Add protected resource metadata response inspect & modify support
#1262 opened Feb 11, 2026 by FICTURE7 Loading…
5 of 9 tasks
9
ClientOAuthProvider.Scopes have priority again (#1236)
#1238 opened Feb 2, 2026 by halllo Loading…
4 of 9 tasks
5
Add cross-platform netstandard2.0 test coverage
#1235 opened Feb 2, 2026 by Copilot AI Loading…
@eiriktsarpalis
20
Fix JsonSerializerOptions without TypeInfoResolver
#1221 opened Jan 30, 2026 by Copilot AI • Draft
@stephentoub
5
Support https+http scheme for .NET Aspire service discovery
#1180 opened Jan 27, 2026 by bbartels Loading…
5 of 9 tasks
10
WIP: Reduce copies, eliminate a lot of UTF-16 transcoding NO MERGE PR should not be merged until the label is removed
#1120 opened Dec 24, 2025 by Tyler-IN • Draft
7 of 9 tasks
3
Add UseMcpClient
#1086 opened Dec 11, 2025 by jozkee • Draft
40
Add back EverythingServer for stdio
#950 opened Nov 7, 2025 by asklar Loading…
5 of 9 tasks
1
6
Add configurable JsonSerializerOptions and SchemaCreateOptions to McpServerOptions
#925 opened Oct 30, 2025 by Copilot AI • Draft
1
@eiriktsarpalis
20
Introduce acceptance helpers to ElicitResult and client capability checks on IMcpServer
#666 opened Aug 1, 2025 by dogukandemir Loading…
5 of 9 tasks
16
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