* Catch more openapi changes
* Simplify middleware list operations to use lists directly
- Updated middleware signatures to work with list[Tool], list[Resource], etc instead of wrapper objects
- Removed unnecessary ListToolsResult, ListResourcesResult wrapper types
- Updated documentation to show simpler list-based filtering pattern
- Added tests for list-based middleware filtering
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Co-authored-by: Claude <noreply@anthropic.com>
* Add mirrored component support for proxy servers
Prevents enable/disable operations on mirrored components (tools, resources, prompts retrieved from proxy servers). Users must create local copies with .copy() and add them to their server to modify them. Local components take precedence over mirrored ones.
Closes#1102🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
* Update proxy.mdx
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Co-authored-by: Claude <noreply@anthropic.com>
Prevents enable/disable operations on mirrored components (tools, resources, prompts retrieved from proxy servers). Users must create local copies with .copy() and add them to their server to modify them. Local components take precedence over mirrored ones.
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Co-Authored-By: Claude <noreply@anthropic.com>
* 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.
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* 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- Removed outdated note about proxy feature limitations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
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Co-authored-by: Claude <noreply@anthropic.com>
Because the server now validates inputs, its no longer viable to provide a JSON string where e.g. an array is expected, so we can entirely remove FastMCP's "legacy json parsing" support from 1.x.
This is a breaking change (for legacy opt-in behavior)
Implements comprehensive notification system for tools, resources, and prompts with automatic client updates and flexible message handlers.
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Implements timing, logging, rate limiting, and error handling middleware to showcase
FastMCP's middleware capabilities as a headline feature. Each middleware includes:
- Production-ready implementations with full configurability
- Comprehensive unit and integration tests with real FastMCP servers
- Updated documentation with teaching examples and production usage patterns
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Fast follow to #881 to document the new session_id property.
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