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fastmcp.client.messages

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Classes

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MessageHandler

This class is used to handle MCP messages sent to the client. It is used to handle all messages, requests, notifications, and exceptions. Users can override any of the hooks Methods:

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dispatch 

dispatch(self, message: Message) -> None

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on_message 

on_message(self, message: Message) -> None

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on_request 

on_request(self, message: RequestResponder[mcp.types.ServerRequest, mcp.types.ClientResult]) -> None

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on_ping 

on_ping(self, message: mcp.types.PingRequest) -> None

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on_list_roots 

on_list_roots(self, message: mcp.types.ListRootsRequest) -> None

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on_create_message 

on_create_message(self, message: mcp.types.CreateMessageRequest) -> None

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on_notification 

on_notification(self, message: mcp.types.ServerNotification) -> None

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on_exception 

on_exception(self, message: Exception) -> None

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on_progress 

on_progress(self, message: mcp.types.ProgressNotification) -> None

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on_logging_message 

on_logging_message(self, message: mcp.types.LoggingMessageNotification) -> None

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on_tool_list_changed 

on_tool_list_changed(self, message: mcp.types.ToolListChangedNotification) -> None

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on_resource_list_changed 

on_resource_list_changed(self, message: mcp.types.ResourceListChangedNotification) -> None

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on_prompt_list_changed 

on_prompt_list_changed(self, message: mcp.types.PromptListChangedNotification) -> None

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on_resource_updated 

on_resource_updated(self, message: mcp.types.ResourceUpdatedNotification) -> None

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on_cancelled 

on_cancelled(self, message: mcp.types.CancelledNotification) -> None