Uses of Class
dev.langchain4j.mcp.protocol.McpClientMessage

Packages that use McpClientMessage

Package	Description
dev.langchain4j.mcp.client
dev.langchain4j.mcp.client.transport
dev.langchain4j.mcp.protocol

Uses of McpClientMessage in dev.langchain4j.mcp.client

Methods in dev.langchain4j.mcp.client that return McpClientMessage

Modifier and Type	Method	Description
McpClientMessage	McpCallContext.message()	Returns the value of the message record component.

Constructors in dev.langchain4j.mcp.client with parameters of type McpClientMessage

Modifier	Constructor	Description
	McpCallContext(@Nullable InvocationContext invocationContext, McpClientMessage message)
	McpCallContext(@Nullable InvocationContext invocationContext, McpClientMessage message, @Nullable Map<String,String> mcpParamHeaders)	Creates an instance of a McpCallContext record class.

Uses of McpClientMessage in dev.langchain4j.mcp.client.transport

Methods in dev.langchain4j.mcp.client.transport with parameters of type McpClientMessage

Modifier and Type	Method	Description
default void	McpTransport.sendMessage(McpClientMessage request)	Sends a message that does not expect a reply and carries no per-call headers or _meta.
default CompletableFuture<String>	McpTransport.sendRequest(McpClientMessage request)	Sends a JSON-RPC request that carries no per-call headers or _meta, and returns the server's response as unparsed JSON text.

Uses of McpClientMessage in dev.langchain4j.mcp.protocol

Subclasses of McpClientMessage in dev.langchain4j.mcp.protocol

Modifier and Type	Class	Description
class	McpCallToolRequest	Corresponds to the CallToolRequest type from the MCP schema.
class	McpCancellationNotification	Corresponds to the CancelledNotification type from the MCP schema.
class	McpClientNotification	Corresponds to the JSONRPCNotification type from the MCP schema.
class	McpClientRequest	Corresponds to the JSONRPCRequest type from the MCP schema.
class	McpClientResponse	Corresponds to the JSONRPCResponse type from the MCP schema.
class	McpGetPromptRequest	Corresponds to the GetPromptRequest type from the MCP schema.
class	McpInitializationNotification	Corresponds to the InitializedNotification type from the MCP schema.
class	McpInitializeRequest	Corresponds to the InitializeRequest type from the MCP schema.
class	McpListPromptsRequest	Corresponds to the ListPromptsRequest type from the MCP schema.
class	McpListResourcesRequest	Corresponds to the ListResourcesRequest type from the MCP schema.
class	McpListResourceTemplatesRequest	Corresponds to the ListResourceTemplatesRequest type from the MCP schema.
class	McpListToolsRequest	Corresponds to the ListToolsRequest type from the MCP schema.
class	McpPingRequest	Corresponds to the PingRequest type from the MCP schema.
class	McpPingResponse	Corresponds to the EmptyResult type from the MCP schema (response to a PingRequest).
class	McpReadResourceRequest	Corresponds to the ReadResourceRequest type from the MCP schema.
class	McpRootsListChangedNotification	Corresponds to the RootsListChangedNotification type from the MCP schema.
class	McpRootsListResponse	Corresponds to the ListRootsResult type from the MCP schema.
class	McpServerDiscoverRequest	Corresponds to the ServerDiscoverRequest type from the MCP schema.
class	McpSubscribeResourceRequest	Only used with the legacy MCP protocol (versions up to 2025-11-25).
class	McpSubscriptionsListenRequest	Corresponds to the SubscriptionsListenRequest type from the MCP schema.
class	McpUnsubscribeResourceRequest	Only used with the legacy MCP protocol (versions up to 2025-11-25).