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Merged
merged 3 commits into from
Feb 25, 2025
Merged

Update sample project to use library version 0.3.0 #47

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c87695a
Update sample project to use library version 0.3.0
JsFlo Feb 21, 2025
980661d
Merge branch 'main' into joseflores/updateServerSampleWith030
e5l Feb 21, 2025
b648763
Merge branch 'main' into joseflores/updateServerSampleWith030
e5l Feb 24, 2025
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4 changes: 1 addition & 3 deletions samples/kotlin-mcp-server/build.gradle.kts
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Original file line number Diff line number Diff line change
Expand Up @@ -13,10 +13,8 @@ group = "org.example"
version = "0.1.0"

dependencies {
implementation("io.modelcontextprotocol:kotlin-sdk:0.2.0")
implementation("io.modelcontextprotocol:kotlin-sdk:0.3.0")
implementation("org.slf4j:slf4j-nop:2.0.9")

testImplementation(kotlin("test"))
}

tasks.test {
Expand Down
22 changes: 14 additions & 8 deletions samples/kotlin-mcp-server/src/main/kotlin/Main.kt
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Expand Up @@ -22,6 +22,9 @@ import io.modelcontextprotocol.kotlin.sdk.server.StdioServerTransport
import kotlinx.coroutines.CompletableDeferred
import kotlinx.coroutines.Job
import kotlinx.coroutines.runBlocking
import kotlinx.io.asSink
import kotlinx.io.asSource
import kotlinx.io.buffered

/**
* Start sse-server mcp on port 3001.
Expand All @@ -35,9 +38,9 @@ fun main(args: Array<String>) {
val command = args.firstOrNull() ?: "--sse-server-ktor"
val port = args.getOrNull(1)?.toIntOrNull() ?: 3001
when (command) {
"--stdio" -> `run mcp server using stdio`()
"--sse-server-ktor" -> `run sse mcp server using Ktor plugin`(port)
"--sse-server" -> `run sse mcp server with plain configuration`(port)
"--stdio" -> runMcpServerUsingStdio()
"--sse-server-ktor" -> runSseMcpServerUsingKtorPlugin(port)
"--sse-server" -> runSseMcpServerWithPlainConfiguration(port)
else -> {
System.err.println("Unknown command: $command")
}
Expand Down Expand Up @@ -114,11 +117,14 @@ fun configureServer(): Server {
return server
}

fun `run mcp server using stdio`() {
fun runMcpServerUsingStdio() {
// Note: The server will handle listing prompts, tools, and resources automatically.
// The handleListResourceTemplates will return empty as defined in the Server code.
val server = configureServer()
val transport = StdioServerTransport()
val transport = StdioServerTransport(
inputStream = System.`in`.asSource().buffered(),
outputStream = System.out.asSink().buffered()
)

runBlocking {
server.connect(transport)
Expand All @@ -132,7 +138,7 @@ fun `run mcp server using stdio`() {
}
}

fun `run sse mcp server with plain configuration`(port: Int): Unit = runBlocking {
fun runSseMcpServerWithPlainConfiguration(port: Int): Unit = runBlocking {
val servers = ConcurrentMap<String, Server>()
println("Starting sse server on port $port. ")
println("Use inspector to connect to the http://localhost:$port/sse")
Expand Down Expand Up @@ -179,13 +185,13 @@ fun `run sse mcp server with plain configuration`(port: Int): Unit = runBlocking
* @param port The port number on which the SSE MCP server will listen for client connections.
* @return Unit This method does not return a value.
*/
fun `run sse mcp server using Ktor plugin`(port: Int): Unit = runBlocking {
fun runSseMcpServerUsingKtorPlugin(port: Int): Unit = runBlocking {
println("Starting sse server on port $port")
println("Use inspector to connect to the http://localhost:$port/sse")

embeddedServer(CIO, host = "0.0.0.0", port = port) {
MCP {
return@MCP configureServer()
}
}
}.start(wait = true)
}