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149 commits

Author SHA1 Message Date
Jeremiah Lowin
ec38507f9b Exclude MCP SDK 1.21.1 and update OAuth client tests 
- Exclude MCP SDK 1.21.1 due to bug adding metadata URL to scopes
- Update OAuth client tests to use valid scopes
 2025-11-15 12:21:15 -05:00
Giovanna Zanardini
a6ddde27df
 		Allow OAuth instance to use the same httpx factory as the Transport (#2324) 
* Allow OAuth instance to use the same httpx factory as the Transport

* Fix test

* Update SSL verification mode assertion in tests

* This is actually not needed

* Creating a Client instance is not needed for this test

* Fix test

* Apply httpx_client_factory fix to SSETransport

Extends the OAuth httpx_client_factory changes to SSETransport.
SSETransport had the same issues as StreamableHttpTransport where it
wasn't passing the custom httpx client factory to OAuth, causing
certificate verification settings to be ignored during OAuth flows.

Changes:
- Set httpx_client_factory before calling _set_auth()
- Pass httpx_client_factory to OAuth constructor
- Add test for SSETransport OAuth client factory propagation

---------

Co-authored-by: Jeremiah Lowin <153965+jlowin@users.noreply.github.com>
 2025-11-04 12:14:28 -05:00
Antonio Iorga
7e6610b7b6
 		Add meta to call tool (#2206) 
* feat: Add optional meta parameter to Client tool call methods

* fix: Add support for mcp<1.19

* chore: cleaner solution

* Refactor call_tool to directly accept meta parameter and add tests for meta functionality

---------

Co-authored-by: Jeremiah Lowin <153965+jlowin@users.noreply.github.com>
 2025-11-04 10:25:52 -05:00
Jeremiah Lowin
9c861b232b
 		Add manual initialization control to Client (#2355) 
* Add manual initialization control to Client

- Add auto_initialize parameter (default True) to control automatic initialization
- Make initialize() method public with idempotent caching
- Add comprehensive test suite for initialization behavior

* Document client initialization control and server instructions

- Expand documentation to cover auto_initialize parameter
- Show manual initialization for advanced use cases
- Document accessing server instructions via initialize_result

* Update client.mdx
 2025-11-03 16:01:30 -05:00
Jeremiah Lowin
6cc9559f84
 		Bump ty to ==0.0.1a25 (#2350) 
* Bump ty to >=0.0.1a25 with type fixes

Follow-up to #2295. Updates ty and fixes compatibility issues with alpha 25, including:

- Updated ignore comment syntax (possibly-unbound-attribute → possibly-missing-attribute)
- Fixed async generator type handling with anext()
- Fixed type narrowing for timeout parameters
- Converted base_url assignments to AnyHttpUrl after string manipulation
- Added CallToolResult to return type annotations
- Removed redundant type casts
- Fixed test form data to use strings instead of bytes

ty alpha 25 has limitations with isinstance() narrowing on unions (see pyproject.toml for details), requiring some targeted type ignores.

* Pin ty to ==0.0.1a25

Alpha releases can have breaking changes, so pin to the tested version.
 2025-11-02 20:02:45 -05:00
Jeremiah Lowin
dab125e069
 		Remove test warnings (#2331) 2025-11-01 14:53:51 -04:00
Jeremiah Lowin
3321644ad3
 		Replace subprocess tests with in-process async servers (#2006) 
* Use anyio as testing backend

* Remove asyncio markers

* Update streamable http tests

* Replace all subprocess tests

* Replace anyio task groups with asyncio context managers in tests

- Convert run_server_async from anyio task group pattern to asyncio.create_task with async context manager
- Remove task_group fixture from conftest
- Update all test fixtures to use async with run_server_async pattern
- Remove TaskGroup imports from all test files
- Tests now work with pytest-asyncio instead of pytest-anyio

* Update test_github_provider_integration.py
 2025-10-19 10:47:54 -04:00
Jeremiah Lowin
52e9af1214
 		Add RFC 7662 token introspection provider (#2074) 2025-10-16 10:57:06 -04:00
Jeremiah Lowin
5988873601
 		Fix log handler to accept any JSON-serializable data type (#2102) 2025-10-15 10:20:04 -07:00
Jeremiah Lowin
2a20f54617
 		Escape all HTML to prevent XSS attack (#2090) 2025-10-14 12:30:21 -07:00
William Easton
5d195878c4
 		Switch Lifespan to being a Server Lifespan (#2013) 
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Jeremiah Lowin <153965+jlowin@users.noreply.github.com>
 2025-10-14 11:49:53 -07:00
Jeremiah Lowin
e036cba383
 		Add Pydantic-compatible input validation (#2073) 2025-10-14 11:49:30 -07:00
William Easton
1ec2bd7d92
 		Also push client messages (info/warn/debug) to server debug log (#2063) 
Co-authored-by: William Easton <strawgate@users.noreply.github.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: claude[bot] <41898282+claude[bot]@users.noreply.github.com>
Co-authored-by: Jeremiah Lowin <153965+jlowin@users.noreply.github.com>
 2025-10-14 11:38:26 -07:00
Marcin Jan Puhacz
05a73e16f1
 		feat: expose errlog on stdio transport (#1991) 
Co-authored-by: William Easton <williamseaston@gmail.com>
Co-authored-by: Jeremiah Lowin <153965+jlowin@users.noreply.github.com>
 2025-10-11 18:33:06 -04:00
Jeremiah Lowin
1f11b5e641
 		Refactor mounting logic from managers to server (#2069) 2025-10-11 18:28:21 -04:00
William Easton
93c41e815c
 		Merge branch 'main' into switch-kvstore 2025-10-09 09:20:55 -04:00
Jeremiah Lowin
b1458c6082
 		Default to FastMCP version when server version not specified (#2022) 
Co-authored-by: claude[bot] <41898282+claude[bot]@users.noreply.github.com>
Co-authored-by: William Easton <strawgate@users.noreply.github.com>
 2025-10-08 19:57:30 -04:00
William Easton
fc2a5c3b8b
 		Merge branch 'main' into switch-kvstore 2025-09-29 20:17:05 -05:00
Jeremiah Lowin
3a21e7b9b2
 		Fix path resolution in install commands (#1951) 2025-09-29 20:04:12 -04:00
Jeremiah Lowin
7c10feaeb1
 		Expand timeouts (#1954) 2025-09-29 20:03:21 -04:00
William Easton
a9ee0b577a
 		Merge branch 'main' into switch-kvstore 2025-09-29 17:12:09 -05:00
Jeremiah Lowin
e8673b4d8b
 		Fix Python 3.13 websockets deprecation warning (#1949) 2025-09-29 15:24:20 -04:00
William Easton
55ac070a59
 		Merge branch 'main' into switch-kvstore 2025-09-28 21:35:46 -05:00
Christian Clauss
d6aa980ff5
 		Fix typos discovered by codespell (#1922) 2025-09-26 12:02:28 -04:00
William Easton
2f8ec7628c
 		Small PR cleanup 2025-09-24 18:18:32 -05:00
William Easton
dee2bb51d9
 		Switch to DiskStore KV implementation 2025-09-24 18:07:57 -05:00
nate nowack
04831b75c2
 		optimize test suite (#1893) 
Co-authored-by: Claude <noreply@anthropic.com>
 2025-09-22 20:07:04 -04:00
Jeremiah Lowin
7176d4f293
 		Add persistent storage for OAuth client registrations (#1879) 2025-09-21 10:56:08 -04:00
William Easton
fe4f31c2c7
 		Enable more type checking rules (#1775) 2025-09-07 11:11:44 -04:00
Jeremiah Lowin
5fe8e2fe6b
 		Fix OAuth token expiry handling (#1649) (#1671) 2025-08-29 21:14:56 -04:00
William Easton
3fc21a2811
 		Merge branch 'main' into claude/issue-1625-20250826-0138 2025-08-25 22:40:29 -05:00
William Easton
f848b4d14c
 		stdio client updates 2025-08-25 22:37:24 -05:00
Jeremiah Lowin
953d3eb64b
 		Fix elicitation enums (#1632) 2025-08-25 22:14:00 -04:00
William Easton
d32a2b953e
 		✨ Fallback to a Completions API when Sampling is not available (#1145) 2025-08-21 07:49:29 -04:00
nate nowack
77b425c47d
 		switch from pyright to ty (#1545) 2025-08-19 17:22:52 -04:00
Jeremiah Lowin
ce0a044835
 		Remove trailing slash in unit tests (#1535) 2025-08-18 08:10:46 -04:00
William Easton
8d14c0916c
 		Improve stdio and mcp_config clean-up (#1444) 2025-08-15 11:03:44 -04:00
Jeremiah Lowin
87e103222e
 		Improve redirect handling to address 307's (#1387) 2025-08-08 11:55:30 -04:00
633WHU
dd1389178c
 		Fix client-side logging bug #1394 (#1397) 2025-08-08 11:37:10 -04:00
Jeremiah Lowin
b46d4934a8
 		Add comprehensive OAuth 2.1 authentication system with WorkOS integration (#1327) 2025-08-01 17:06:55 -04:00
Jeremiah Lowin
c40149d970
 		Ensure validation errors are raised when masked (#1330) 2025-08-01 17:06:27 -04:00
Jeremiah Lowin
23f7873314
 		Add unit test for sampling with image messages (#1329) 2025-08-01 15:55:05 -04:00
Colin Jermain
7f3c3cc24b
 		Structured client-side logging (#1326) 2025-08-01 14:47:21 -04:00
William Easton
3be8f5ea93
 		Add UV Transport (#1270) 
Co-authored-by: Jeremiah Lowin <153965+jlowin@users.noreply.github.com>
 2025-07-28 15:41:36 -04:00
Jeremiah Lowin
d043511370
 		Add tests for headers with both legacy and experimental openapi parser (#1259) 2025-07-25 15:11:17 -04:00
Jeremiah Lowin
c452164e86
 		Fix concurrent proxy client operations with session isolation (#1083) 
* Refactor Client session state with ClientSessionState dataclass

Fixes #1068 by introducing ClientSessionState to encapsulate session management
attributes, simplifying Client.new() and preventing concurrent proxy client
context mixing through client factory pattern.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

* Update proxy documentation for new client factory pattern

Documents the new session management behavior, client_factory parameter,
and concurrent operation safety introduced in v2.10.3 to fix #1068.

* Remove deprecation of client parameter and update documentation

- Undeprecated FastMCPProxy client parameter
- Made client_factory the advanced option for custom control
- Added detailed explanation of how client factories work internally
- Removed outdated note about proxy feature limitations
- Removed fabricated Advanced Usage section

* Re-do proxy documentation

* Fix deprecated client parameter to provide session isolation

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

---------

Co-authored-by: Claude <noreply@anthropic.com>
 2025-07-08 17:22:43 -04:00
Jeremiah Lowin
0600834da4 Fix single-element list unwrapping in tool content 
Single-element lists like [1] were being incorrectly unwrapped to "1"
in unstructured content while multi-element lists remained as lists.
This created inconsistent behavior where the structure was lost for
single items.

This fix ensures lists always preserve their structure in unstructured
content regardless of length, making behavior consistent and predictable.

Also removes pretty-printing from JSON serialization for more compact
output across tools, prompts, and resources.

Fixes #1064

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-07-07 12:07:16 -04:00
Jeremiah Lowin
ef742d9400
 		Ensure multi-client configurations use new ProxyClient (#1045) 
* Validate elicitation responses are dicts

* Ensure advanced MCP features are forwarded through proxy

* Use proxy client in tests
 2025-07-05 11:57:03 -04:00
Jeremiah Lowin
a52c28c319 Ensure tests use stateless mode 2025-07-03 19:55:49 -04:00
Jeremiah Lowin
aab1f74810 response_type is None 2025-06-30 13:12:25 -04:00