Index (LangChain4j :: Integration :: Model Context Protocol 1.0.0-beta1 API)

A B C D E F G H I J L M N O P R S T V W
All Classes and Interfaces|All Packages|Constant Field Values

A

ALERT - Enum constant in enum class dev.langchain4j.mcp.client.logging.McpLogLevel

B

build() - Method in class dev.langchain4j.mcp.client.DefaultMcpClient.Builder
build() - Method in class dev.langchain4j.mcp.client.transport.http.HttpMcpTransport.Builder
build() - Method in class dev.langchain4j.mcp.client.transport.stdio.StdioMcpTransport.Builder
build() - Method in class dev.langchain4j.mcp.McpToolProvider.Builder
builder() - Static method in class dev.langchain4j.mcp.McpToolProvider
Builder() - Constructor for class dev.langchain4j.mcp.client.DefaultMcpClient.Builder
Builder() - Constructor for class dev.langchain4j.mcp.client.transport.http.HttpMcpTransport.Builder
Builder() - Constructor for class dev.langchain4j.mcp.client.transport.stdio.StdioMcpTransport.Builder
Builder() - Constructor for class dev.langchain4j.mcp.McpToolProvider.Builder

C

CancellationNotification - Class in dev.langchain4j.mcp.client.protocol
CancellationNotification(Long, String) - Constructor for class dev.langchain4j.mcp.client.protocol.CancellationNotification
Capabilities() - Constructor for class dev.langchain4j.mcp.client.protocol.InitializeParams.Capabilities
ClientInfo() - Constructor for class dev.langchain4j.mcp.client.protocol.InitializeParams.ClientInfo
ClientMethod - Enum Class in dev.langchain4j.mcp.client.protocol
clientName(String) - Method in class dev.langchain4j.mcp.client.DefaultMcpClient.Builder: Sets the name that the client will use to identify itself to the MCP server in the initialization message.
clientVersion(String) - Method in class dev.langchain4j.mcp.client.DefaultMcpClient.Builder: Sets the version string that the client will use to identify itself to the MCP server in the initialization message.
close() - Method in class dev.langchain4j.mcp.client.DefaultMcpClient
close() - Method in class dev.langchain4j.mcp.client.transport.http.HttpMcpTransport
close() - Method in class dev.langchain4j.mcp.client.transport.stdio.StdioMcpTransport
command(List<String>) - Method in class dev.langchain4j.mcp.client.transport.stdio.StdioMcpTransport.Builder
CRITICAL - Enum constant in enum class dev.langchain4j.mcp.client.logging.McpLogLevel

D

data() - Method in record class dev.langchain4j.mcp.client.logging.McpLogMessage: Returns the value of the data record component.
DEBUG - Enum constant in enum class dev.langchain4j.mcp.client.logging.McpLogLevel
DefaultMcpClient - Class in dev.langchain4j.mcp.client
DefaultMcpClient(DefaultMcpClient.Builder) - Constructor for class dev.langchain4j.mcp.client.DefaultMcpClient
DefaultMcpClient.Builder - Class in dev.langchain4j.mcp.client
DefaultMcpLogMessageHandler - Class in dev.langchain4j.mcp.client.logging: The default implementation of McpLogMessageHandler that simply forwards MCP log notifications to the SLF4J logger.
DefaultMcpLogMessageHandler() - Constructor for class dev.langchain4j.mcp.client.logging.DefaultMcpLogMessageHandler
dev.langchain4j.mcp - package dev.langchain4j.mcp
dev.langchain4j.mcp.client - package dev.langchain4j.mcp.client
dev.langchain4j.mcp.client.logging - package dev.langchain4j.mcp.client.logging
dev.langchain4j.mcp.client.protocol - package dev.langchain4j.mcp.client.protocol
dev.langchain4j.mcp.client.transport - package dev.langchain4j.mcp.client.transport
dev.langchain4j.mcp.client.transport.http - package dev.langchain4j.mcp.client.transport.http
dev.langchain4j.mcp.client.transport.stdio - package dev.langchain4j.mcp.client.transport.stdio

E

EMERGENCY - Enum constant in enum class dev.langchain4j.mcp.client.logging.McpLogLevel
environment(Map<String, String>) - Method in class dev.langchain4j.mcp.client.transport.stdio.StdioMcpTransport.Builder
equals(Object) - Method in record class dev.langchain4j.mcp.client.logging.McpLogMessage: Indicates whether some other object is "equal to" this one.
ERROR - Enum constant in enum class dev.langchain4j.mcp.client.logging.McpLogLevel
executeOperationWithoutResponse(McpClientMessage) - Method in class dev.langchain4j.mcp.client.transport.http.HttpMcpTransport
executeOperationWithoutResponse(McpClientMessage) - Method in interface dev.langchain4j.mcp.client.transport.McpTransport: Sends a message that does not expect a response from the server.
executeOperationWithoutResponse(McpClientMessage) - Method in class dev.langchain4j.mcp.client.transport.stdio.StdioMcpTransport
executeOperationWithResponse(McpClientMessage) - Method in class dev.langchain4j.mcp.client.transport.http.HttpMcpTransport
executeOperationWithResponse(McpClientMessage) - Method in interface dev.langchain4j.mcp.client.transport.McpTransport: Executes an operation that expects a response from the server.
executeOperationWithResponse(McpClientMessage) - Method in class dev.langchain4j.mcp.client.transport.stdio.StdioMcpTransport
executeTool(ToolExecutionRequest) - Method in class dev.langchain4j.mcp.client.DefaultMcpClient
executeTool(ToolExecutionRequest) - Method in interface dev.langchain4j.mcp.client.McpClient: Executes a tool on the MCP server and returns the result as a String.

F

failIfOneServerFails(boolean) - Method in class dev.langchain4j.mcp.McpToolProvider.Builder: If this is true, then the tool provider will throw an exception if it fails to list tools from any of the servers.
from(String) - Static method in enum class dev.langchain4j.mcp.client.logging.McpLogLevel
fromJson(JsonNode) - Static method in record class dev.langchain4j.mcp.client.logging.McpLogMessage: Parses a McpLogMessage from the contents of the 'params' object inside a 'notifications/message' message.

G

getCapabilities() - Method in class dev.langchain4j.mcp.client.protocol.InitializeParams
getClientInfo() - Method in class dev.langchain4j.mcp.client.protocol.InitializeParams
getId() - Method in class dev.langchain4j.mcp.client.protocol.McpClientMessage
getName() - Method in class dev.langchain4j.mcp.client.protocol.InitializeParams.ClientInfo
getParams() - Method in class dev.langchain4j.mcp.client.protocol.CancellationNotification
getParams() - Method in class dev.langchain4j.mcp.client.protocol.McpCallToolRequest
getParams() - Method in class dev.langchain4j.mcp.client.protocol.McpInitializeRequest
getParams() - Method in class dev.langchain4j.mcp.client.protocol.McpListToolsRequest
getProtocolVersion() - Method in class dev.langchain4j.mcp.client.protocol.InitializeParams
getRoots() - Method in class dev.langchain4j.mcp.client.protocol.InitializeParams.Capabilities
getSampling() - Method in class dev.langchain4j.mcp.client.protocol.InitializeParams.Capabilities
getVersion() - Method in class dev.langchain4j.mcp.client.protocol.InitializeParams.ClientInfo

H

handle(JsonNode) - Method in class dev.langchain4j.mcp.client.transport.McpOperationHandler
handleLogMessage(McpLogMessage) - Method in class dev.langchain4j.mcp.client.logging.DefaultMcpLogMessageHandler
handleLogMessage(McpLogMessage) - Method in interface dev.langchain4j.mcp.client.logging.McpLogMessageHandler
hashCode() - Method in record class dev.langchain4j.mcp.client.logging.McpLogMessage: Returns a hash code value for this object.
HttpMcpTransport - Class in dev.langchain4j.mcp.client.transport.http
HttpMcpTransport(HttpMcpTransport.Builder) - Constructor for class dev.langchain4j.mcp.client.transport.http.HttpMcpTransport
HttpMcpTransport.Builder - Class in dev.langchain4j.mcp.client.transport.http

I

INFO - Enum constant in enum class dev.langchain4j.mcp.client.logging.McpLogLevel
InitializationNotification - Class in dev.langchain4j.mcp.client.protocol
InitializationNotification() - Constructor for class dev.langchain4j.mcp.client.protocol.InitializationNotification
initialize(McpInitializeRequest) - Method in class dev.langchain4j.mcp.client.transport.http.HttpMcpTransport
initialize(McpInitializeRequest) - Method in interface dev.langchain4j.mcp.client.transport.McpTransport: Sends the "initialize" message to the MCP server to negotiate capabilities, supported protocol version etc.
initialize(McpInitializeRequest) - Method in class dev.langchain4j.mcp.client.transport.stdio.StdioMcpTransport
INITIALIZE - Enum constant in enum class dev.langchain4j.mcp.client.protocol.ClientMethod
InitializeParams - Class in dev.langchain4j.mcp.client.protocol
InitializeParams() - Constructor for class dev.langchain4j.mcp.client.protocol.InitializeParams
InitializeParams.Capabilities - Class in dev.langchain4j.mcp.client.protocol
InitializeParams.Capabilities.Roots - Class in dev.langchain4j.mcp.client.protocol
InitializeParams.Capabilities.Sampling - Class in dev.langchain4j.mcp.client.protocol
InitializeParams.ClientInfo - Class in dev.langchain4j.mcp.client.protocol
isListChanged() - Method in class dev.langchain4j.mcp.client.protocol.InitializeParams.Capabilities.Roots

J

jsonrpc - Variable in class dev.langchain4j.mcp.client.protocol.McpClientMessage

L

level() - Method in record class dev.langchain4j.mcp.client.logging.McpLogMessage: Returns the value of the level record component.
listTools() - Method in class dev.langchain4j.mcp.client.DefaultMcpClient
listTools() - Method in interface dev.langchain4j.mcp.client.McpClient: Obtains a list of tools from the MCP server.
logEvents(boolean) - Method in class dev.langchain4j.mcp.client.transport.stdio.StdioMcpTransport.Builder
logger() - Method in record class dev.langchain4j.mcp.client.logging.McpLogMessage: Returns the value of the logger record component.
logHandler(McpLogMessageHandler) - Method in class dev.langchain4j.mcp.client.DefaultMcpClient.Builder: Sets the log message handler for the client.
logRequests(boolean) - Method in class dev.langchain4j.mcp.client.transport.http.HttpMcpTransport.Builder
logResponses(boolean) - Method in class dev.langchain4j.mcp.client.transport.http.HttpMcpTransport.Builder

M

McpCallToolRequest - Class in dev.langchain4j.mcp.client.protocol
McpCallToolRequest(Long, String, ObjectNode) - Constructor for class dev.langchain4j.mcp.client.protocol.McpCallToolRequest
McpClient - Interface in dev.langchain4j.mcp.client: Represents a client that can communicate with an MCP server over a given transport protocol, retrieve and execute tools using the server.
McpClientMessage - Class in dev.langchain4j.mcp.client.protocol
McpClientMessage(Long) - Constructor for class dev.langchain4j.mcp.client.protocol.McpClientMessage
mcpClients(McpClient...) - Method in class dev.langchain4j.mcp.McpToolProvider.Builder: The list of MCP clients to use for retrieving tools.
mcpClients(List<McpClient>) - Method in class dev.langchain4j.mcp.McpToolProvider.Builder: The list of MCP clients to use for retrieving tools.
McpInitializeRequest - Class in dev.langchain4j.mcp.client.protocol
McpInitializeRequest(Long) - Constructor for class dev.langchain4j.mcp.client.protocol.McpInitializeRequest
McpListToolsRequest - Class in dev.langchain4j.mcp.client.protocol
McpListToolsRequest(Long) - Constructor for class dev.langchain4j.mcp.client.protocol.McpListToolsRequest
McpLogLevel - Enum Class in dev.langchain4j.mcp.client.logging: Log level of an MCP log message.
McpLogMessage - Record Class in dev.langchain4j.mcp.client.logging
McpLogMessage(McpLogLevel, String, JsonNode) - Constructor for record class dev.langchain4j.mcp.client.logging.McpLogMessage: Creates an instance of a McpLogMessage record class.
McpLogMessageHandler - Interface in dev.langchain4j.mcp.client.logging: A handler that decides what to do with received log messages from an MCP server.
McpOperationHandler - Class in dev.langchain4j.mcp.client.transport: Handles incoming messages from the MCP server.
McpOperationHandler(Map<Long, CompletableFuture<JsonNode>>, McpTransport, Consumer<McpLogMessage>) - Constructor for class dev.langchain4j.mcp.client.transport.McpOperationHandler
McpToolProvider - Class in dev.langchain4j.mcp: A tool provider backed by one or more MCP clients.
McpToolProvider.Builder - Class in dev.langchain4j.mcp
McpTransport - Interface in dev.langchain4j.mcp.client.transport
method - Variable in class dev.langchain4j.mcp.client.protocol.CancellationNotification
method - Variable in class dev.langchain4j.mcp.client.protocol.InitializationNotification
method - Variable in class dev.langchain4j.mcp.client.protocol.McpCallToolRequest
method - Variable in class dev.langchain4j.mcp.client.protocol.McpInitializeRequest
method - Variable in class dev.langchain4j.mcp.client.protocol.McpListToolsRequest

N

NOTICE - Enum constant in enum class dev.langchain4j.mcp.client.logging.McpLogLevel
NOTIFICATION_CANCELLED - Enum constant in enum class dev.langchain4j.mcp.client.protocol.ClientMethod
NOTIFICATION_INITIALIZED - Enum constant in enum class dev.langchain4j.mcp.client.protocol.ClientMethod

O

onClosed(EventSource) - Method in class dev.langchain4j.mcp.client.transport.http.SseEventListener
onEvent(EventSource, String, String, String) - Method in class dev.langchain4j.mcp.client.transport.http.SseEventListener
onFailure(EventSource, Throwable, Response) - Method in class dev.langchain4j.mcp.client.transport.http.SseEventListener
onOpen(EventSource, Response) - Method in class dev.langchain4j.mcp.client.transport.http.SseEventListener

P

PING - Enum constant in enum class dev.langchain4j.mcp.client.protocol.ClientMethod
PingResponse - Class in dev.langchain4j.mcp.client.protocol
PingResponse(Long) - Constructor for class dev.langchain4j.mcp.client.protocol.PingResponse
protocolVersion(String) - Method in class dev.langchain4j.mcp.client.DefaultMcpClient.Builder: Sets the protocol version that the client will advertise in the initialization message.
provideTools(ToolProviderRequest) - Method in class dev.langchain4j.mcp.McpToolProvider

R

Roots() - Constructor for class dev.langchain4j.mcp.client.protocol.InitializeParams.Capabilities.Roots

S

Sampling() - Constructor for class dev.langchain4j.mcp.client.protocol.InitializeParams.Capabilities.Sampling
setCapabilities(InitializeParams.Capabilities) - Method in class dev.langchain4j.mcp.client.protocol.InitializeParams
setClientInfo(InitializeParams.ClientInfo) - Method in class dev.langchain4j.mcp.client.protocol.InitializeParams
setCursor(String) - Method in class dev.langchain4j.mcp.client.protocol.McpListToolsRequest
setId(Long) - Method in class dev.langchain4j.mcp.client.protocol.McpClientMessage
setListChanged(boolean) - Method in class dev.langchain4j.mcp.client.protocol.InitializeParams.Capabilities.Roots
setName(String) - Method in class dev.langchain4j.mcp.client.protocol.InitializeParams.ClientInfo
setParams(InitializeParams) - Method in class dev.langchain4j.mcp.client.protocol.McpInitializeRequest
setProtocolVersion(String) - Method in class dev.langchain4j.mcp.client.protocol.InitializeParams
setRoots(InitializeParams.Capabilities.Roots) - Method in class dev.langchain4j.mcp.client.protocol.InitializeParams.Capabilities
setSampling(InitializeParams.Capabilities.Sampling) - Method in class dev.langchain4j.mcp.client.protocol.InitializeParams.Capabilities
setVersion(String) - Method in class dev.langchain4j.mcp.client.protocol.InitializeParams.ClientInfo
SseEventListener - Class in dev.langchain4j.mcp.client.transport.http
SseEventListener(McpOperationHandler, boolean, CompletableFuture) - Constructor for class dev.langchain4j.mcp.client.transport.http.SseEventListener
sseUrl(String) - Method in class dev.langchain4j.mcp.client.transport.http.HttpMcpTransport.Builder: The initial URL where to connect to the server and request a SSE channel.
start(McpOperationHandler) - Method in class dev.langchain4j.mcp.client.transport.http.HttpMcpTransport
start(McpOperationHandler) - Method in interface dev.langchain4j.mcp.client.transport.McpTransport: Creates a connection to the MCP server (runs the server as a subprocess if needed).
start(McpOperationHandler) - Method in class dev.langchain4j.mcp.client.transport.stdio.StdioMcpTransport
startOperation(Long, CompletableFuture<JsonNode>) - Method in class dev.langchain4j.mcp.client.transport.McpOperationHandler
StdioMcpTransport - Class in dev.langchain4j.mcp.client.transport.stdio
StdioMcpTransport(StdioMcpTransport.Builder) - Constructor for class dev.langchain4j.mcp.client.transport.stdio.StdioMcpTransport
StdioMcpTransport.Builder - Class in dev.langchain4j.mcp.client.transport.stdio

T

timeout(Duration) - Method in class dev.langchain4j.mcp.client.transport.http.HttpMcpTransport.Builder
toolExecutionTimeout(Duration) - Method in class dev.langchain4j.mcp.client.DefaultMcpClient.Builder: Sets the timeout for tool execution.
toolExecutionTimeoutErrorMessage(String) - Method in class dev.langchain4j.mcp.client.DefaultMcpClient.Builder: Sets the error message to return when a tool execution times out.
TOOLS_CALL - Enum constant in enum class dev.langchain4j.mcp.client.protocol.ClientMethod
TOOLS_LIST - Enum constant in enum class dev.langchain4j.mcp.client.protocol.ClientMethod
toString() - Method in record class dev.langchain4j.mcp.client.logging.McpLogMessage: Returns a string representation of this record class.
transport(McpTransport) - Method in class dev.langchain4j.mcp.client.DefaultMcpClient.Builder

V

valueOf(String) - Static method in enum class dev.langchain4j.mcp.client.logging.McpLogLevel: Returns the enum constant of this class with the specified name.
valueOf(String) - Static method in enum class dev.langchain4j.mcp.client.protocol.ClientMethod: Returns the enum constant of this class with the specified name.
values() - Static method in enum class dev.langchain4j.mcp.client.logging.McpLogLevel: Returns an array containing the constants of this enum class, in the order they are declared.
values() - Static method in enum class dev.langchain4j.mcp.client.protocol.ClientMethod: Returns an array containing the constants of this enum class, in the order they are declared.

W

WARNING - Enum constant in enum class dev.langchain4j.mcp.client.logging.McpLogLevel

A B C D E F G H I J L M N O P R S T V W
All Classes and Interfaces|All Packages|Constant Field Values