Commit graph csharp-sdk/src/ModelContextProtocol.AspNetCore/StreamableHttpHandler.cs
Author SHA1 Message Date
Stephen Halter
453132009a Validate user on Streamable HTTP session DELETE (#1604) 2026-06-03 02:00:35 -07:00
Stephen Halter
8eb4023c20
Add stateless doc, prefer stateless mode and disable legacy SSE by default (#1468) 2026-03-27 13:56:16 -07:00
Copilot
84cd6917bb
Mark RunSessionHandler experimental (MCPEXP002) (#1383)
Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: halter73 <54385+halter73@users.noreply.github.com>
Co-authored-by: jeffhandley <1031940+jeffhandley@users.noreply.github.com>
2026-02-24 15:02:34 -08:00
Mackinnon Buck
669c36b229
Unify service configuration for ISseEventStreamStore, IMcpTaskStore, and ISessionMigrationHandler (#1362) 2026-02-23 23:22:59 -08:00
Mackinnon Buck
27a3196c7f
Add ISessionMigrationHandler (#1270) 2026-02-19 15:31:34 -08:00
Copilot
5da0fe506f
Validate MCP-Protocol-Version header in Streamable HTTP handler (#1277)
Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: stephentoub <2642209+stephentoub@users.noreply.github.com>
Co-authored-by: Stephen Toub <stoub@microsoft.com>
2026-02-18 22:18:00 -05:00
Copilot
2e17550303
Add X-Accel-Buffering header to SSE responses (#1294)
Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: stephentoub <2642209+stephentoub@users.noreply.github.com>
2026-02-17 16:03:10 -05:00
Copilot
5084a79068
Add ILoggerFactory to StreamableHttpServerTransport (#1213)
Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: stephentoub <2642209+stephentoub@users.noreply.github.com>
Co-authored-by: Stephen Toub <stoub@microsoft.com>
2026-01-30 17:45:39 -05:00
Stephen Toub
f9dec13660
Fix race condition in SSE GET request initialization (#1212) 2026-01-29 23:04:51 -05:00
Mackinnon Buck
b8311756b4
Streamable HTTP resumability + redelivery + SSE polling via server-side disconnect (#1077)
Co-authored-by: Stephen Halter <halter73@gmail.com>
2026-01-14 22:54:25 -08:00
Stephen Halter
31f8d20a1a
Support incremental scope consent (SEP-835) (#1084) 2025-12-11 19:51:47 -08:00
Mackinnon Buck
d540dc1fb1
Make RequestId non-required (#984) 2025-11-18 16:03:31 -08:00
Mackinnon Buck
121929da36
Audit protocol types (#892) 2025-11-04 15:41:10 -08:00
Stephen Halter
e01edc143a
Fix slow shutdown when a Streamable HTTP client is connected (#843)
* Add "Async" suffix to async methods
2025-10-10 17:50:57 -07:00
Stephen Halter
47b9582fd7
Make "Stateless" mode sessionless (#760)
- This removes the requirement to configure data protection which is the motivating reason for this change
- This means that McpServer.ClientInfo will always be null in stateless mode
2025-10-02 15:57:01 -07:00
Mackinnon Buck
38b4a26998
Restructure IMcpEndpoint, IMcpClient, and IMcpServer (#723)
* Remove `McpEndpoint` & `IMcpClient`

* Revise naming, add abstract classes

* Fix missing renames

* Move extension methods to instance methods

* Add back old API, but obsoleted

* Add back obsoleted factory classes

* Move deprecation attributes

* `SseClientTransport` -> `HttpClientTransport`

* Update src/ModelContextProtocol.Core/Server/AugmentedServiceProvider.cs

Co-authored-by: Stephen Halter <halter73@gmail.com>

* PR feedback

* PR feedback

* Add back dispose lock

* Fix docs projects

* PR feedback

* Undo `docs/*.md` changes

---------

Co-authored-by: Stephen Halter <halter73@gmail.com>
2025-09-16 10:22:10 -07:00
Stephen Halter
d344c65120
Add middleware and authz support for server-side handlers (#733) 2025-09-10 10:07:45 -07:00
Stephen Halter
b067261ca7
Prune idle sessions before starting new ones (#701) 2025-08-18 11:04:27 -07:00
Stephen Halter
a88ef0deb7
Flow ExecutionContext with JsonRpcMessage (#616)
The primary goal of this change is to support IHttpContextAccessor in tool calls when the Streamable HTTP is in its default non-Stateless mode.
2025-07-15 13:58:43 -07:00
Stephen Halter
befa31d5c9
Send MCP-Protocol-Version header in Streamable HTTP client transport (#500) 2025-06-17 14:27:26 -07:00
Eirik Tsarpalis
d7d9eab3f8
Pass session id's to MCP endpoints. (#466)
* Pass session id's to MCP endpoints.

* Update src/ModelContextProtocol/Client/McpClient.cs

Co-authored-by: Stephen Halter <halter73@gmail.com>

* Update src/ModelContextProtocol.AspNetCore/StreamableHttpHandler.cs

Co-authored-by: Stephen Halter <halter73@gmail.com>

* Make init callback asynchronous.

* Address feedback.

---------

Co-authored-by: Stephen Halter <halter73@gmail.com>
2025-06-12 17:56:57 +03:00
Stephen Halter
d23f442a69
Allow more accept headers (#429) 2025-05-19 17:31:20 -07:00
Stephen Toub
106ab8064f
Clean up namespaces (#410)
No meaningful code changes, just lots of namespace shuffling to have fewer namespaces and to put things in better namespaces.
2025-05-14 14:50:26 -04:00
Stephen Halter
ce9f73f43f
Add stateless Streamable HTTP support (#392)
- It allows a single MCP session spanning multiple requests
  to be handled by different servers without sharing state
- It does require the servers share data protection keys, but this
  is standard for ASP.NET Core cookies and antiforgery as well
- It immediately throws for unsupported operations like sampling
2025-05-14 04:51:03 -07:00
Stephen Halter
e913d80f05
Add client-side Streamable HTTP transport support (#356) 2025-04-30 17:21:43 -07:00
Stephen Halter
e3ff552824
Improve testing for StreamableHttpHandler and IdleTrackingBackgroundService (#345)
* Add idle session pruning tests
* Remove redundant CTS from StreamableHttpHandler
  * StreamableHttpServerTransport.HandlePostRequest already creates the equivelant CTS
    which DeleteRequest_CompletesSession_WhichCancelsLongRunningToolCalls verifies
* Fix accept header validation for GET
* Use InvalidOperationException for transport-not-connected errors in doc comments
* Fix flaky Cancellation_ThrowsCancellationException test
2025-04-24 10:49:02 -07:00
Stephen Halter
7dcba357d4
Add server-side Streamable HTTP transport support (#330)
- Changes IJsonRpcMessage to an abstract base class so RelatedTransport will always be available
- Streamable HTTP supports multiple concurrent HTTP request with their own indpendent SSE response streams
- RelatedTransport indicates the source or destination of the JsonRpcMessage

- Changes the default RequestId to a JSON number for better compatibility with MCP servers in the wild
2025-04-18 17:07:23 -07:00
Stephen Toub
312aede7d6
Clean up logging (#286) 2025-04-14 10:55:45 -04:00
Stephen Halter
9c124b1770
Add StreamableHttpHandler and WithHttpTransport (#291)
* Simplify ModelContextProtocol.AspNetCore README

* Add StreamableHttpHandler

* Use "docker info" in CheckIsDockerAvailable

* Call WithHttpTransport in samples, tests and README

* Cleanup test namespaces

* Add CanConnect_WithMcpClient_AfterCustomizingRoute test

* Simplify relative URI handling

* Handle request made directly to the MapMcp route pattern

* Add Messages_FromNewUser_AreRejected test

* Fix README

* Shorten UserIdClaim ValueTuple names

* Remove MaxReconnectAttempts and ReconnectDelay from SseClientTransportOptions

- Add proper AdditionalHeaders support
2025-04-14 10:15:33 -04:00