212aa4aac2
Add multi-version protocol types: complete per-version model packages
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One superset type set in mcp.types plus a complete, hand-validated model
package per spec version; serialization validates dumps through the
negotiated version's models at a single wire boundary.
2026-06-12 08:50:42 +00:00
7267818e44
Fix unknown-method error code and add a protocol version registry ( #2836 )
2026-06-11 16:47:22 +01:00
1e21814ed5
Update the v2 status banner and pin spawned environments to the running SDK version ( #2834 )
CI / checks (push) Failing after 0s
CI / all-green (push) Has been cancelled
2026-06-11 09:41:19 +01:00
5d826490b6
[v2] Dispatcher/ServerRunner receive-path swap — replaces BaseSession ( #2710 )
2026-06-09 12:58:47 +01:00
b478bff56d
Remove the unsupported WebSocket transport ( #2785 )
2026-06-08 12:05:27 +01:00
ac96f88abd
Deflake the session-level timeout test with trio's virtual clock ( #2788 )
2026-06-05 21:33:48 +01:00
bdc48e98b1
Fix stdio client shutdown bugs and rebuild the stdio test suite ( #2773 )
2026-06-05 16:15:43 +01:00
19fe9faec8
Run StreamableHTTP transport tests in process instead of over sockets ( #2767 )
2026-06-03 12:45:00 +01:00
ed39e73c0b
Run SSE and Unicode transport tests in process instead of over sockets ( #2765 )
2026-06-02 21:46:53 +01:00
b3025f93b4
Run transport security tests in process instead of over sockets ( #2764 )
2026-06-02 20:30:17 +01:00
8cc187fac0
Remove Tasks (SEP-1686) from the SDK ( #2714 )
2026-06-02 18:27:05 +02:00
616476f692
Bind transport sessions to the authenticated principal ( #2718 )
2026-05-29 17:48:40 +01:00
24725633f1
test: interaction-model end-to-end suite with a requirements manifest ( #2691 )
2026-05-28 18:48:30 +00:00
3eb579948a
Add subject and claims to AccessToken ( #2686 )
2026-05-26 13:13:55 +00:00
3d7b311de0
fix: align Context logging methods with MCP spec data type ( #2366 )
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Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com >
Co-authored-by: Max Isbey <224885523+maxisbey@users.noreply.github.com >
2026-04-14 21:41:51 +00:00
437d15aa71
SEP-2207: Refresh token guidance ( #2039 )
2026-04-14 11:48:07 +01:00
2dfb51a4d1
fix(auth): coerce empty-string optional URL fields to None in OAuthClientMetadata ( #2404 )
2026-04-13 15:42:35 +01:00
c5f12ec1e9
Add resources parameter to MCPServer ( #2414 )
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Co-authored-by: Marcelo Trylesinski <marcelotryle@gmail.com >
2026-04-12 14:42:12 +02:00
37891f42a4
Add basic OpenTelemetry tracing for client and server requests ( #2381 )
2026-03-31 20:33:33 +00:00
3ce0f76e6e
Don't block the event loop on sync resource and prompt functions ( #2380 )
2026-03-31 13:43:56 -04:00
e6235d1667
Propagate contextvars.Context through anyio streams without modifying SessionMessage ( #2298 )
2026-03-31 12:49:38 -04:00
3517a29c82
feat(server): restore dependencies parameter on MCPServer ( #2358 )
2026-03-27 13:42:15 +00:00
92c693bb73
fix: cancel in-flight handlers when transport closes in server.run() ( #2306 )
2026-03-20 13:37:32 +00:00
883d893097
test: rewrite cli.claude config tests to assert JSON output directly ( #2311 )
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Co-authored-by: claude[bot] <209825114+claude[bot]@users.noreply.github.com>
Co-authored-by: Felix Weinberger <felixweinberger@users.noreply.github.com >
2026-03-19 15:16:34 +00:00
20dd94632e
feat(client): store InitializeResult as initialize_result ( #2300 )
2026-03-18 17:31:26 +00:00
67201a9bbd
test: fix WS test port race; narrow to single smoke test covering both transport ends ( #2267 )
2026-03-18 15:48:30 +00:00
7826ade12b
test: convert test_integration.py to in-memory transport (fix flaky) ( #2277 )
2026-03-18 15:25:11 +00:00
1a2244f402
fix: handle non-UTF-8 bytes in stdio server stdin ( #2302 )
2026-03-17 18:40:39 +00:00
75a80b6f07
refactor: connect-first stream lifecycle for sse and streamable_http ( #2292 )
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Co-authored-by: Marcelo Trylesinski <marcelotryle@gmail.com >
2026-03-16 23:30:20 +00:00
e1fd62e0f3
fix: close all memory stream ends in client transport cleanup ( #2266 )
2026-03-13 14:43:54 +00:00
dd52713517
Rewrite TestChildProcessCleanup with socket-based deterministic liveness probe ( #2265 )
2026-03-12 12:52:32 +00:00
62eb08e5b2
fix: don't send log notification on transport error ( #2257 )
2026-03-09 17:47:27 +00:00
31a38b5078
fix: correct Context type parameters across examples and tests ( #2256 )
2026-03-09 16:52:56 +00:00
51c53f2c18
fix: accept wildcard media types in Accept header per RFC 7231 ( #2152 )
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Co-authored-by: Shivam <shivam@Shivams-MacBook-Air-2.local >
2026-03-09 16:30:02 +00:00
7ba41dcfae
fix: make local coverage runs reliable ( #2236 )
2026-03-06 17:24:18 +00:00
eaf971cf25
Add warning log when rejecting request with unknown/expired session ID ( #2212 )
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Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com >
Co-authored-by: Max Isbey <224885523+maxisbey@users.noreply.github.com >
2026-03-06 16:55:37 +00:00
92f1b1500d
fix: remove MIME type validation from MCPServer Resource ( #2235 )
2026-03-06 14:50:58 +00:00
b33c811675
perf: use deque for InMemoryTaskMessageQueue FIFO operations ( #2165 )
2026-03-05 15:44:33 +00:00
7c0224828b
fix(oauth): include client_id in token request body for client_secret_post ( #2185 )
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Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com >
2026-03-05 14:57:33 +00:00
528abfab86
tests: remove lax-no-cover pragmas by moving assertions before cancellation ( #2206 )
2026-03-04 16:11:34 +00:00
b3149d2f33
fix: clean up SSE session on client disconnect ( #2200 )
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Co-authored-by: Varun Sharma <sharmava@microsoft.com >
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com >
Co-authored-by: Max Isbey <224885523+maxisbey@users.noreply.github.com >
2026-03-04 14:45:11 +00:00
cc22bf5464
refactor: remove request_ctx ContextVar, thread Context explicitly ( #2203 )
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Co-authored-by: Marcelo Trylesinski <marcelotryle@gmail.com >
2026-03-04 13:23:02 +00:00
cb07adeca3
docs: add code fences to Example: docstring blocks ( #2104 )
2026-02-19 21:06:11 +01:00
0e96aecd1d
fix: use exact match for loopback hosts in issuer URL validation ( #2089 )
2026-02-18 19:40:52 +00:00
e82203bfc4
refactor: remove unused mcp.shared.progress module ( #2080 )
2026-02-18 13:10:02 +00:00
fc57c2c4c5
test: fix progress notification assertions for related_request_id ( #2038 )
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Co-authored-by: Lee Hubbard <hubbard.zlee@unknowncyber.com >
Co-authored-by: Max Isbey <224885523+maxisbey@users.noreply.github.com >
2026-02-18 11:53:03 +00:00
92140e5086
Add idle session timeout to StreamableHTTPSessionManager ( #2022 )
2026-02-18 10:47:02 +00:00
be5bb7c4f2
fix: normalize trailing slashes before length check in check_resource_allowed ( #2074 )
2026-02-17 14:34:59 +00:00
705497a593
fix: allow null id in JSONRPCError per JSON-RPC 2.0 spec ( #2056 )
2026-02-17 10:30:34 +00:00
3b53fb9a00
fix: add HTTP readiness check to wait_for_server and remove dead code in SSE tests ( #2073 )
2026-02-17 08:34:47 +01:00
Max Isbey