MCP Kotlin SDK

repositories {
    mavenCentral()
}

dependencies {
    implementation("io.modelcontextprotocol:kotlin-sdk:0.1.0")
}

import io.modelcontextprotocol.kotlin.sdk.client.Client
import io.modelcontextprotocol.kotlin.sdk.client.StdioClientTransport
import io.modelcontextprotocol.kotlin.sdk.Implementation

val client = Client(
    clientInfo = Implementation(
        name = "example-client",
        version = "1.0.0"
    )
)

val transport = StdioClientTransport(
    inputStream = processInputStream,
    outputStream = processOutputStream
)

// Connect to server
client.connect(transport)

// List available resources
val resources = client.listResources()

// Read a specific resource
val resourceContent = client.readResource(
    ReadResourceRequest(uri = "file:///example.txt")
)

import io.modelcontextprotocol.kotlin.sdk.server.Server
import io.modelcontextprotocol.kotlin.sdk.server.ServerOptions
import io.modelcontextprotocol.kotlin.sdk.server.StdioServerTransport
import io.modelcontextprotocol.kotlin.sdk.ServerCapabilities

val server = Server(
    serverInfo = Implementation(
        name = "example-server",
        version = "1.0.0"
    ),
    options = ServerOptions(
        capabilities = ServerCapabilities(
            resources = ServerCapabilities.Resources(
                subscribe = true,
                listChanged = true
            )
        )
    )
)

// Add a resource
server.addResource(
    uri = "file:///example.txt",
    name = "Example Resource",
    description = "An example text file",
    mimeType = "text/plain"
) { request ->
    ReadResourceResult(
        contents = listOf(
            TextResourceContents(
                text = "This is the content of the example resource.",
                uri = request.uri,
                mimeType = "text/plain"
            )
        )
    )
}

// Start server with stdio transport
val transport = StdioServerTransport()
server.connect(transport)

import io.ktor.server.application.*
import io.modelcontextprotocol.kotlin.sdk.server.MCP

fun Application.module() {
    MCP {
        Server(
            serverInfo = Implementation(
                name = "example-sse-server",
                version = "1.0.0"
            ),
            options = ServerOptions(
                capabilities = ServerCapabilities(
                    prompts = ServerCapabilities.Prompts(listChanged = null),
                    resources = ServerCapabilities.Resources(subscribe = null, listChanged = null)
                )
            )
        )
    }
}