http4k-ai-mcp-core/org.http4k.ai.mcp

Package-level declarations

Types

CapabilityRequest

interface CapabilityRequest

Client

interface Client

CompletionFilter

fun interface CompletionFilter

CompletionHandler

typealias CompletionHandler = (CompletionRequest) -> CompletionResponse

A CompletionHandler is a function which creates a Completion from a set of inputs

CompletionRequest

data class CompletionRequest(val argument: CompletionArgument, val context: CompletionContext = CompletionContext(), val meta: Meta = default, val client: Client = NoOp, val connectRequest: Request? = null) : CapabilityRequest

CompletionResponse

sealed interface CompletionResponse

ElicitationFilter

fun interface ElicitationFilter

ElicitationHandler

typealias ElicitationHandler = (ElicitationRequest) -> ElicitationResponse

Processes a elicitation request from an MCP server to a client

ElicitationRequest

sealed class ElicitationRequest : McpLensTarget

ElicitationResponse

sealed interface ElicitationResponse

InitializeFilter

fun interface InitializeFilter

InitializeHandler

typealias InitializeHandler = (InitializeRequest) -> InitializeResponse

Processes an initialize request from an MCP server to a client

InitializeRequest

data class InitializeRequest(val clientInfo: VersionedMcpEntity, val capabilities: ClientCapabilities = All, val protocolVersion: ProtocolVersion = LATEST_VERSION, val meta: Meta = default, val connectRequest: Request? = null) : CapabilityRequest

InitializeResponse

sealed interface InitializeResponse

McpError

sealed interface McpError

Sealed type encapsulating the known failure modes of MCP clients

McpResult

typealias McpResult<T> = Result4k<T, McpError>

PromptFilter

fun interface PromptFilter

PromptHandler

typealias PromptHandler = (PromptRequest) -> PromptResponse

A PromptHandler is a function which creates a Prompt from a set of inputs

PromptRequest

data class PromptRequest(val args: Map<String, String> = emptyMap(), val meta: Meta = default, val client: Client = NoOp, val connectRequest: Request? = null) : Map<String, String> , CapabilityRequest, McpLensTarget

PromptResponse

sealed interface PromptResponse

ResourceFilter

fun interface ResourceFilter

ResourceHandler

typealias ResourceHandler = (ResourceRequest) -> ResourceResponse

A resource handler is responsible for loading the content of a Resource

ResourceRequest

data class ResourceRequest(val uri: Uri, val meta: Meta = default, val client: Client = NoOp, val connectRequest: Request? = null) : CapabilityRequest

ResourceResponse

sealed interface ResourceResponse

SamplingFilter

fun interface SamplingFilter

SamplingHandler

typealias SamplingHandler = (SamplingRequest) -> Sequence<SamplingResponse>

Processes a sampling request from an MCP server to a client

SamplingRequest

data class SamplingRequest(val messages: List<Message>, val maxTokens: MaxTokens, val systemPrompt: SystemPrompt? = null, val includeContext: SamplingIncludeContext? = null, val temperature: Temperature? = null, val stopSequences: List<String>? = null, val modelPreferences: ModelPreferences? = null, val metadata: Map<String, Any> = emptyMap(), val tools: List<McpTool> = emptyList(), val toolChoice: ToolChoice = ToolChoice(ToolChoiceMode.auto), val progressToken: ProgressToken? = null)

SamplingResponse

sealed interface SamplingResponse

ToolFilter

fun interface ToolFilter

ToolHandler

typealias ToolHandler = (ToolRequest) -> ToolResponse

A tool handler invokes a tool with an input and returns a response

ToolRequest

data class ToolRequest(val args: Map<String, Any> = emptyMap(), val meta: Meta = default, val task: TaskMeta? = null, val client: Client = NoOp, val connectRequest: Request? = null) : CapabilityRequest, McpLensTarget, Map<String, Any>

ToolResponse

sealed interface ToolResponse