25fb05f416
feat(mrtr): add IncompleteResult types and client retry loop (SEP-2322)
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Lowlevel plumbing for Multi Round-Trip Requests:
Types:
- IncompleteResult with result_type discriminator, input_requests, request_state
- InputRequest/InputResponse unions (elicitation, sampling, roots)
- input_responses + request_state fields on RequestParams
Server (lowlevel):
- on_call_tool return widened to include IncompleteResult
Session:
- send_request accepts TypeAdapter (overload) for union result parsing
- call_tool_mrtr() returns CallToolResult | IncompleteResult
- call_tool() stays narrow, raises on IncompleteResult with migration hint
Client:
- call_tool() drives MRTR retry loop internally — dispatches embedded
input requests to elicitation/sampling/list_roots callbacks, retries
with collected responses + echoed request_state
- max_mrtr_rounds bound (default 8)
The client-side delta from today's code is zero: elicitation_callback is the
same function whether it fires from SSE push or MRTR retry.
2026-03-20 15:54:11 +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
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
31a38b5078
fix: correct Context type parameters across examples and tests ( #2256 )
2026-03-09 16:52:56 +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
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
2fe56e56de
fix: handle HTTP error status codes in streamable HTTP client ( #2047 )
2026-02-14 09:49:42 +01:00
0a22a9dc33
refactor: replace lowlevel Server decorators with on_* constructor kwargs ( #1985 )
2026-02-12 15:55:54 +00:00
239d682b6f
fix: pass conformance auth scenarios, add RFC 8707 resource validation ( #2010 )
2026-02-09 11:41:03 +00:00
7c7c13b648
fix: send JSONRPCError instead of bare exceptions in streamable HTTP client ( #2005 )
2026-02-09 10:38:46 +00:00
1a8c14a5b8
refactor: replace mcp.types as types to from mcp import types ( #1986 )
2026-02-03 16:42:29 +00:00
4fc49c62bd
feat: add ClientRequestContext type alias for client-side handlers ( #1989 )
2026-02-03 17:37:38 +01:00
b1f7eec3cd
refactor: split RequestContext between server and client ( #1987 )
2026-02-03 14:35:07 +01:00
21822053df
Support different transports in Client ( #1972 )
2026-01-30 12:11:27 +00:00
acba5478a9
refactor: McpError renamed to MCPError and flatten parameters ( #1956 )
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Co-authored-by: Max Isbey <224885523+maxisbey@users.noreply.github.com >
2026-01-26 14:37:44 +01:00
65c614e48e
Rename FastMCP to MCPServer ( #1951 )
2026-01-25 14:45:52 +01:00
a7ddfdae07
ci: add strict-no-cover to detect unnecessary coverage pragmas ( #1897 )
2026-01-23 21:00:20 +01:00
f0ab53e194
Add meta to Client methods ( #1923 )
2026-01-22 14:50:39 +01:00
d77292fb06
refactor: drop test classes ( #1924 )
2026-01-22 12:37:52 +01:00
bcb07c2b25
refactor: flatten the methods in Client ( #1914 )
2026-01-20 13:12:07 +01:00
5fdd48a0d3
Completely drop RootModel from types module ( #1910 )
2026-01-19 14:29:15 +01:00
f4672c5084
Drop RootModel from JSONRPCMessage ( #1908 )
2026-01-19 14:04:15 +01:00
dcc9b4f8e0
refactor: use Client class in tests ( #1900 )
2026-01-17 09:46:58 +01:00
d41d0c0128
chore: add D212 lint rule to enforce Google-style docstrings ( #1892 )
2026-01-16 16:10:52 +00:00
df039bf97c
Add ergonomic Client class for testing MCP servers ( #1870 )
2026-01-16 15:49:26 +00:00
5d80f4efc8
refactor: move inline imports to module level ( #1893 )
2026-01-16 14:54:08 +00:00
e94b386a13
refactor: use snake case instead of camel case in types ( #1894 )
2026-01-16 15:51:27 +01:00
812a46ab97
Remove deprecated cursor parameter and ResourceReference ( #1871 )
2026-01-15 21:33:21 +01:00
024d7597fd
Drop Content and args parameter in ClientSessionGroup.call_tool ( #1866 )
2026-01-15 16:24:53 +00:00
a9cc822a10
fix: accept HTTP 201 status code in token exchange ( #1503 )
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Co-authored-by: Paul Carleton <paulcarletonjr@gmail.com >
2025-12-19 18:22:00 +00:00
06748eb4c4
fix: Include extra field for context log ( #1535 )
2025-12-19 17:54:03 +00:00
2aa1ad2a69
feat: standardize timeout values to floats in seconds ( #1766 )
2025-12-19 12:22:56 +00:00
65b36de4eb
fix: use correct python command name in test_stdio.py ( #1782 )
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Main branch checks / checks (push) Failing after 0s
Signed-off-by: Ondrej Mosnáček <omosnacek@gmail.com >
2025-12-12 14:02:38 +00:00
a3a4b8d11a
Add streamable_http_client which accepts httpx.AsyncClient instead of httpx_client_factory ( #1177 )
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Co-authored-by: Felix Weinberger <fweinberger@anthropic.com >
2025-12-10 16:39:00 +00:00
0dedbd9831
feat: client-side support for SEP-1577 sampling with tools ( #1722 )
2025-12-09 23:36:28 +00:00
8b984d93a3
refactor(auth): remove unused _register_client method ( #1748 )
2025-12-08 21:50:20 +00:00
fa851d93a2
feat: backwards-compatible create_message overloads for SEP-1577 ( #1713 )
2025-12-02 13:17:45 +00:00
f82b0c9371
Support client_credentials flow with JWT and Basic auth ( #1663 )
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Co-authored-by: Claude <noreply@anthropic.com >
Co-authored-by: Felix Weinberger <3823880+felixweinberger@users.noreply.github.com >
2025-12-02 12:53:55 +00:00
f22501315e
feat: implement SEP-991 URL-based client ID (CIMD) support ( #1652 )
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Co-authored-by: Claude <noreply@anthropic.com >
Co-authored-by: Felix Weinberger <3823880+felixweinberger@users.noreply.github.com >
2025-11-24 17:21:03 +00:00
c51936f61f
Add client_secret_basic authentication support ( #1334 )
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Co-authored-by: Paul Carleton <paulc@anthropic.com >
2025-11-20 20:53:37 +00:00
9c8f763aa8
chore: Lazy import jsonschema library ( #1596 )
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Co-authored-by: Max Isbey <224885523+maxisbey@users.noreply.github.com >
2025-11-19 15:30:52 +00:00
5489e8b6fb
fix get_client_metadata_scopes on 401 ( #1631 )
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Co-authored-by: Max Isbey <224885523+maxisbey@users.noreply.github.com >
2025-11-16 17:18:50 +00:00
a357380cfa
feat: Pass through and expose additional parameters in ClientSessionGroup.call_tool and .connect_to_server ( #1576 )
2025-11-16 15:57:43 +00:00
91ccdb3d65
Fix OAuth discovery fallback and URL ordering ( #1624 )
2025-11-13 19:37:24 +00:00
7d12e83cf4
refactor: extract OAuth helper functions and simplify provider state ( #1586 )
2025-11-13 13:28:48 +00:00
Max Isbey