Repository Issue Activity (beta)

modelcontextprotocol/csharp-sdk

Current issue state, recent activity, and per-issue timelines from the indexed issue data.

Open Issues
124
New in 7 Days
8
Closed in 7 Days
4
Average Open Age
230 days
Stale 30+ Days
86
Stale 90+ Days
0
Last 2 Weeks
DateOpenedClosedCommentsEventsOpen Backlog
2026-09-150000124
2026-09-1400000
2026-09-1302000
2026-09-1200000
2026-09-1130000
2026-09-1010000
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2026-09-0710000
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2026-09-0411000
2026-09-0311000
2026-09-0200000
This Week

Opened: 6

Closed: 3

Comments: 0

Events: 0

Top Labels
enhancement (248)
bug (235)
needs confirmation (88)
ready for work (76)
P2 (60)
P3 (52)
area-auth (45)
area-tests (19)
Issue Explorer
IssueAuthorStateLabelsCommentsReactionsUpdated

#1774 server/discover advertises deprecated `logging` unconditionally, but logging/setLevel rejects 2026-07-28+ with MethodNotFound

Opened 2 months ago
bseekford-st
closed - completed
bug
ready for work
P2
001 day ago

#1783 SDK 2.0 rejects ChatGPT requests containing 2026-07-28 metadata with protocol 2025-11-25

Opened 1 month ago
matteocontrini
closed - completed
bug
needs confirmation
P1
1111 day ago

#1862 StreamableHttpClientSessionTransport loses a correlated JSON-RPC error in a chunked HTTP 200 response

Opened 6 days ago
anushree1808
open
bug
101 day ago

#1602 McpServerToolCreateOptions miss MarshalResult option.

Opened 4 months ago
truelife2
open
enhancement
ready for work
P2
202 days ago

#1846 Serialization exception when invoking a tool with an array parameter

Opened 17 days ago
KubaZ2
open
bug
303 days ago

#1871 csharp-sdk graded A (93/100) on OpenTrustBench, badge inside

Opened 4 days ago
gautamkishore
open
No labels
004 days ago

#1785 Tool Call Failed: Request timed out

Opened 1 month ago
khteh
open
bug
help wanted
needs repro
804 days ago

#1868 MCP Protocol-Version Ceiling for the C# Client SDK

Opened 4 days ago
anushree1808
open
enhancement
004 days ago

#1867 Document ClientOAuthOptions.ScopeSelector usage

Opened 4 days ago
z0rimo
open
No labels
004 days ago

#1866 Support explicit OAuth authorization when MCP initialization succeeds anonymously

Opened 5 days ago
Aaronontheweb
open
No labels
005 days ago

#1851 ProcessMessagesAsync's internal fire-and-forget task duplicates Completion's failure signal via TaskScheduler.UnobservedTaskException

Opened 12 days ago
aymericbouzy
open
No labels
205 days ago

#1772 SEP-2575 HTTP status mapping is timing-sensitive under load

Opened 2 months ago
PranavSenthilnathan
closed - completed
bug
area-tests
ready for work
106 days ago

#1859 .net 9 targeting .net 10 packages

Opened 8 days ago
sleepydog999
open
No labels
206 days ago

#1865 Configure McpServerToolCreateOptions via WithTools

Opened 6 days ago
adrianm64
open
enhancement
006 days ago

#1863 Add support for the Skills extension (SEP-2640)

Opened 6 days ago
PederHP
open
No labels
006 days ago

#1861 Stateful connection is intermittent.

Opened 7 days ago
khteh
open
bug
006 days ago

#1782 Failed to connect to streaming HTTP MCP server HTTPS endpoint

Opened 1 month ago
khteh
closed - completed
enhancement
407 days ago

#1811 Support the OAuth 2.0 Device Authorization Grant (RFC 8628) for headless clients

Opened 1 month ago
Aaronontheweb
open
enhancement
area-auth
107 days ago

#1799 server/discover fallback fails when 400 body isn't JSON-RPC shaped (non-JSON-RPC error envelope)

Opened 1 month ago
philipthomas-tecman
closed - completed
bug
ready for work
P1
408 days ago

#710 Is it possible to make the `StreamableHttpHandler` and `SseHandler` public?

Opened 1 year ago
glen-84
open
enhancement
needs confirmation
P3
408 days ago

#889 Make EverythingServer capable of running either stdio or http

Opened 11 months ago
mikekistler
open
enhancement
help wanted
area-tests
229 days ago

#1854 ElicitAsync<T> throws where the untyped ElicitAsync succeeds under an outgoing-request interceptor

Opened 11 days ago
ConnorMoss02
open
No labels
0011 days ago

#1790 Fix structured HTTP error classification during server/discover fallback

Opened 1 month ago
PranavSenthilnathan
closed - completed
bug
ready for work
P2
1011 days ago

#1612 Can't implement a CIMD client if auth provider doesn't put "none" first in it's list of supported token auth methods

Opened 4 months ago
mikeholczer
open
bug
area-auth
P2
1113 days ago

#1848 SDK Client: `ConnectAsync` discover→initialize fallback unreachable when `AutoDetect` transport fails with `HttpRequestException`

Opened 14 days ago
anushree1808
open
bug
1014 days ago

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