Commit graph

135 commits

Author SHA1 Message Date
Jeremiah Lowin
d8ab493664
Add session-specific visibility control via Context (#2917) 2026-01-18 22:31:06 -05:00
Jeremiah Lowin
c3111a8978
Unify discovery API: deduplicate at protocol layer only (#2919) 2026-01-18 21:01:53 -05:00
Jeremiah Lowin
84d7d3b281 Support plural names/keys in enable/disable API
Change enable() and disable() to accept sets: names, keys, tags.
Use key-based disable for decorator enabled=False to scope exactly.
2026-01-18 14:58:29 -05:00
Jeremiah Lowin
50ba6ea5a4 Refactor visibility to mark-based enabled system
Rename Visibility to Enabled, collapse VisibilityRule into the transform,
and move enabled filtering from Provider to Server level so server-level
transforms can override provider-level disables.
2026-01-18 14:36:33 -05:00
Jeremiah Lowin
6ba5e5d194 Fix type errors and add type ignore comments
- Add None checks in auth and tool transform tests
- Add assertions in component_service.py for None returns
- Add type ignore comments for max() with version_sort_key
2026-01-17 07:23:29 -05:00
Jeremiah Lowin
a6cd764b5f
Add component versioning and VersionFilter transform (#2894) 2026-01-16 20:53:18 -05:00
Jeremiah Lowin
2d838315f0
Add timeout parameter for tool foreground execution (#2872) 2026-01-13 21:05:34 -05:00
Jeremiah Lowin
8c471a499d
Run sync tools/resources/prompts in threadpool automatically (#2865) 2026-01-13 11:03:05 -05:00
Jeremiah Lowin
2b6a0faf1c
Add loq file size limits and clean up type ignores (#2859) 2026-01-13 07:29:12 -05:00
Jeremiah Lowin
1b723f302d
Decorators return functions instead of component objects (#2856) 2026-01-12 21:58:07 -05:00
Jeremiah Lowin
daa2dace2f
Add standalone decorators and eliminate fastmcp.fs module (#2832) 2026-01-10 12:16:35 -05:00
Jeremiah Lowin
627c6cdad4
Dereference $ref in tool schemas for MCP client compatibility (#2808) 2026-01-07 18:30:08 -05:00
Jeremiah Lowin
a3123176b3
Deprecate tool_serializer parameter (#2753) 2025-12-26 16:03:04 -05:00
lif
8d80299f82
Fix: resolve root-level $ref in outputSchema for MCP spec compliance (#2720) 2025-12-25 08:42:29 -05:00
Jeremiah Lowin
7a1796fbdf
Add VisibilityFilter for hierarchical enable/disable (#2708) 2025-12-24 14:43:41 -05:00
Jeremiah Lowin
f36b147f60
Unify component storage in LocalProvider (#2680) 2025-12-23 19:24:09 -05:00
Jeremiah Lowin
7ff23a06f4
Add poll_interval to TaskConfig (#2666)
* Add poll_interval to TaskConfig

Allow users to configure polling interval per component via
TaskConfig(poll_interval=timedelta(...)). Default is 5 seconds.

* Update snapshots for poll_interval field

* Add version badge to poll_interval docs

* Add defensive handling for Redis data and align default poll intervals
2025-12-21 16:59:43 -05:00
Jeremiah Lowin
049bd22827
Replace type: ignore[attr-defined] with isinstance assertions in tests (#2665)
* Replace type: ignore[attr-defined] with isinstance assertions in tests

* Fix isinstance assertions in failing tests

- Fix enum test to check for ResponseEnum instead of str
- Fix binary resource test to check for BlobResourceContents instead of TextResourceContents
- Fix Root type tests to check attributes directly instead of isinstance checks

* Fix type errors without using type: ignore

- Remove execution methods from TransformingProvider (only handles transformations)
- Add execution methods to base Provider class with default implementations
- Fix type narrowing in tests using cast() instead of type: ignore
- Fix PromptResult type handling in prompt render tests
- Fix type narrowing in middleware test for arguments and structured_content
2025-12-21 16:37:20 -05:00
Jeremiah Lowin
19fdac7b02
Refactor provider execution: components own their execution (#2663)
* Add test_custom_subclass_tasks.py

* Refactor provider execution: delegate to middleware via wrapper components

- Remove execution methods (call_tool, read_resource, etc.) from Provider base
- Add FastMCPProvider* wrapper classes that delegate to child server middleware
- Move task routing to Tool._run() using contextvars (_task_metadata, _tool_call_key)
- Add convert_to_tool_result(result, output_schema) utility for Docket results
- Add convert_to_prompt_result() utility for prompt task results
- Pass namespaced key via add_to_docket(name=) for mounted tool lookup

* Standardize add_to_docket() with fn_key/task_key parameters

All components now use explicit fn_key (function lookup) and task_key
(result storage) parameters instead of relying on implicit key handling.
This fixes mounted component task execution where the MCP-visible key
differs from the Docket-registered function name.

* Add middleware chain tests for three-level mount hierarchy

Tests verify middleware runs at parent, child, and grandchild levels
for tools, resources, prompts, and resource templates.

* WIP: Provider refactor - unified submit_to_docket, template _read() in progress

Work in progress on refactoring execution to use component _read()/_run()/_render() methods.
Template background tasks not yet working - needs fix for Docket key lookup.

* Fix conversion functions to take full component for attribute access

Pass Tool/Prompt/Resource/Template to conversion functions instead of
individual attributes, ensuring access to serializer, output_schema,
mime_type, etc. Also fixes mixed-content output schema validation.

* Refactor: unified convert_result() methods and check_background_task helper

- Add convert_result() instance methods to all component types (Tool, Prompt, Resource, ResourceTemplate)
- Extract duplicated task routing logic into check_background_task() helper
- Fix type annotations on FastMCPProviderResource.read() and FastMCPProviderPrompt.render()
- Update protocol.py to use component.convert_result() uniformly

* Update tests to use namespace= instead of deprecated prefix= parameter
2025-12-21 15:03:24 -05:00
Jeremiah Lowin
caeaa86394
Simplify .key as computed property (#2648)
* Simplify .key as computed property

Keep .key as the standard lookup interface for all components but
implement it as a computed property instead of a stored field.

- Remove _key private attribute and custom model_copy(key=...)
- .key returns .name for tools/prompts, str(.uri) for resources,
  .uri_template for templates
- Use .key universally for component lookups in managers
- MountedProvider: prefix URIs only for resources/templates, not names
- Docket registration: tools/prompts use .key, resources use .name
  (matches fn.__name__ for function lookup)

* Simplify .key as computed property

Keep .key as the standard lookup interface for all components but
implement it as a computed property instead of a stored field.

- Remove _key private attribute and custom model_copy(key=...)
- .key returns .name for tools/prompts, str(.uri) for resources,
  .uri_template for templates
- Use .key universally for component lookups and Docket registration
- MountedProvider: prefix URIs only for resources/templates, not names
- Add _backend_* fields to proxy classes to preserve original identifiers
  for backend calls when prefixed via import_server

* Standardize .key as computed property

- .key is now a read-only computed property:
  - Tools/Prompts: returns .name
  - Resources: returns str(.uri)
  - Templates: returns .uri_template
- Prefixing uses model_copy(update={...}) to change underlying field
- Resource/template names are NOT prefixed, only URIs
- Move import_server tests to tests/deprecated/
2025-12-18 14:48:47 -05:00
Jeremiah Lowin
ede8ff6703
Convert mounted servers to MountedProvider (#2635)
* Simplify Provider interface and consolidate docket registration

- Remove get_http_routes from Provider (unused)
- Remove ProviderLifespanConfig, _base_lifespan, _register_tasks
- Remove supports_tasks flag from Provider.__init__
- Consolidate all docket registration in server._docket_lifespan()
- Simplify lifespan() to take no parameters
- Move MountedProvider to separate module

* Fix control flow in ComponentService resource methods

* Move providers to server/providers

* Ensure MountedProvider get_* methods go through middleware

* Fix get_resource to only return concrete resources

Reverts template-checking in get_resource that broke task execution.
Tasks need access to the original template, not instantiated resources.

* Move prefix utilities into mounted.py, deprecate import_server

- Add resource prefix functions (add/remove/has_resource_prefix) to mounted.py
- Deprecate import_server with warning to use mount() instead
- Add tool_names uniqueness validation in MountedProvider

* Fix provider iteration order and remove dead _is_mounted flag

- Remove unused _is_mounted flag (MountedProvider.lifespan() calls _lifespan
  not _lifespan_manager, so the flag was never checked)
- Fix provider iteration: change reversed() to forward order in execution
  methods (_call_tool, _read_resource_middleware, _get_prompt_content_middleware)
  to match documented "first non-None wins" semantics
- Fix ComponentService to handle prefix-less mounted servers using
  _strip_tool_prefix()/_strip_resource_prefix() methods
- Update conflict resolution tests to expect first-registered provider wins
- Add regression tests for Docket behavior and prefix-less ComponentService

* Add TaskComponents type and exception handling for provider task registration

- Create TaskComponents dataclass with FunctionTool/FunctionResource/etc. types
  for proper typing of get_tasks() return value
- Add try/except wrapper around provider.get_tasks() in _docket_lifespan for
  consistent error handling (warn + continue or raise based on settings)
- Remove type: ignore comments from server.py task registration loop
2025-12-17 22:21:51 -05:00
Chris Guidry
17520ec5d5 Add execution field to base Tool class
The base Tool class now has an optional `execution` field for storing
task execution metadata (SEP-1686). This lets gateways/proxies preserve
execution info when forwarding tools from backends - previously this
metadata was lost because Tool had no way to store it.

FunctionTool continues to derive execution from task_config as before.

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

Co-Authored-By: Claude <noreply@anthropic.com>
2025-12-08 17:07:49 -05:00
Jeremiah Lowin
b291abb460 Fix inline snapshots for task_config rename 2025-12-06 21:05:11 -05:00
Jeremiah Lowin
a231ea4c3c Add TaskConfig for SEP-1686 execution modes
Expose the full MCP task execution modes (forbidden/optional/required)
via TaskConfig instead of just boolean task=True/False.
2025-12-06 21:01:11 -05:00
Jeremiah Lowin
0cf12fa30c
Add regression tests for functools.wraps + Context (#2524) (#2566)
Follow-up to PR #2563 which fixed the signature handling in
create_function_without_params. These tests ensure the fix
works end-to-end for all object types that support Context injection.
2025-12-06 12:32:39 -05:00
Chris Guidry
66aaf420c9
[2.14] SEP-1686 tasks (#2378)
* Implement MCP background tasks (SEP-1686) using Docket

Adds support for background task execution via the MCP task protocol,
powered by Docket for task queue management.

- Tools, resources, and prompts can be marked with `task=True` to run async
- Progress dependency for tracking task progress
- CurrentDocket and CurrentWorker dependencies for advanced use cases
- Client API with `.call_tool(..., task=True)` returns task handles
- Task status notifications via subscriptions
- CLI worker command for distributed task processing

Configuration via environment:
- FASTMCP_ENABLE_DOCKET=true
- FASTMCP_ENABLE_TASKS=true
- FASTMCP_DOCKET_URL=redis://... (or memory:// for single-process)

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

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

* Fix tasks example import (TaskStatusResponse → GetTaskResult)

The example was using a non-existent TaskStatusResponse type.
Updated to use mcp.types.GetTaskResult which is what the
on_status_change callback actually receives.

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

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

* Fix env var name in Docket error messages

The error messages referenced FASTMCP_EXPERIMENTAL_ENABLE_DOCKET but the
actual setting is FASTMCP_ENABLE_DOCKET.

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

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

* Remove deprecated code re-added from pre-#2329 branch

- Remove ExtendedEnvSettingsSource (FASTMCP_SERVER_ prefix support)
- Remove dependencies parameter from FastMCP.__init__

* Replace fakeredis git pin with PyPI release

* Remove redundant fakeredis dev dep (pulled via pydocket)

---------

Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: Jeremiah Lowin <153965+jlowin@users.noreply.github.com>
2025-12-04 20:10:35 -05:00
Jeremiah Lowin
fe2ec99cc0
Validate tool names at registration time (SEP-986) (#2540) 2025-12-03 20:12:06 -05:00
Jeremiah Lowin
f6635aa15b Fix type errors in oauth_proxy and test_auth_integration
- Add null checks for client_id before using in OAuthTransaction, AuthorizationCode, AccessToken, RefreshToken
- Add null check for redirect_uris before len() call
- Import AuthorizeError from mcp.server.auth.provider
2025-11-15 12:21:15 -05:00
Brandon Shar
c18782f02b
Add meta support to ToolResult (#2283)
* Add meta to ToolResult

* add this at the client level and test the full integration

* add example

* slipped through linting somehow

---------

Co-authored-by: Jeremiah Lowin <153965+jlowin@users.noreply.github.com>
2025-11-02 16:46:52 -05:00
Jeremiah Lowin
e036cba383
Add Pydantic-compatible input validation (#2073) 2025-10-14 11:49:30 -07:00
Jeremiah Lowin
1f11b5e641
Refactor mounting logic from managers to server (#2069) 2025-10-11 18:28:21 -04:00
William Easton
664b67d26f
Fix exclusion of content helpers if they are in a list 2025-10-03 15:02:26 -05:00
Jeremiah Lowin
a41600d838
Fix: Remove JSON schema title metadata while preserving parameters named 'title' (#1872) 2025-09-23 10:19:34 -04:00
William Easton
408415c174
Merge branch 'main' into content_block_handling 2025-09-07 10:17:41 -05:00
William Easton
fe4f31c2c7
Enable more type checking rules (#1775) 2025-09-07 11:11:44 -04:00
William Easton
64010ff276
Cleanup content conversion 2025-09-06 17:32:33 -05:00
William Easton
d7a74419b2
Preserve order in mixed text/image tool returns (#1704)
Co-authored-by: William Easton <strawgate@users.noreply.github.com>
Co-authored-by: marvin-context-protocol[bot] <225465937+marvin-context-protocol[bot]@users.noreply.github.com>
2025-09-06 14:22:29 -04:00
William Easton
0114f0ad3c
PR Clean-up 2025-08-25 10:18:39 -05:00
William Easton
1a72bfa4a7
Merge branch 'main' into main 2025-08-25 10:06:59 -05:00
William Easton
94b1eb9d6e
feat: introduce inline snapshots (#1605)
Co-authored-by: William Easton <strawgate@users.noreply.github.com>
Co-authored-by: marvin-context-protocol[bot] <225465937+marvin-context-protocol[bot]@users.noreply.github.com>
2025-08-25 10:08:55 -04:00
pldesch-chift
6575768d4d
Refactor TransformedTool
- Remove _find_referenced_defs method
- Update merging of defs in _merge_schema_with_precedence.
- Adjust tests in test_tool_transform.py to reflect these changes.
2025-08-25 09:33:16 +02:00
pldesch-chift
68f264ec01
Implement _find_referenced_defs method for schema reference resolution and enhance _merge_schema_with_precedence to prune unused $defs. Add comprehensive tests for new functionality in test_tool_transform.py. 2025-08-22 10:53:59 +02:00
Jeremiah Lowin
a302385361
fix: eliminate pytest warnings (#1559)
Co-authored-by: marvin-context-protocol[bot] <225465937+marvin-context-protocol[bot]@users.noreply.github.com>
Co-authored-by: Jeremiah Lowin <jlowin@users.noreply.github.com>
2025-08-21 07:49:42 -04:00
Jeremiah Lowin
26969e80c3
Add mounted_components_raise_on_load_error setting for debugging (#1534)
Co-authored-by: Jeremiah Lowin <jlowin@users.noreply.github.com>
Co-authored-by: marvin-context-protocol[bot] <225465937+marvin-context-protocol[bot]@users.noreply.github.com>
2025-08-18 13:42:33 -04:00
Jeremiah Lowin
1df4771909
Ensure transformed tools generate structured content (#1443) 2025-08-11 12:34:43 -04:00
Jeremiah Lowin
19a4dd85d4
Ensure resource + template names are properly prefixed when importing/mounting (#1423) 2025-08-08 21:29:07 -04:00
Jeremiah Lowin
3e53e62f24
Add meta support to tool transformation utilities (#1295) 2025-07-29 17:34:07 -04:00
Jeremiah Lowin
3fc2510110
Add meta parameter support to tools, resources, templates, and prompts decorators (#1294) 2025-07-29 17:16:05 -04:00
Muhammad Khalid
a63d44576b
Fix: prune hidden parameter defs (#1257) 2025-07-28 14:00:56 -04:00
William Easton
653fe0f89f
Log tool name on transform validation error (#1238) 2025-07-23 09:56:17 -04:00