privateGPT MCP Server
by Fujitsu-AI
import org.json.JSONObject;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.Socket;
import java.nio.charset.StandardCharsets;
public class MCPStoreGroupClient {
public static void main(String[] args) {
// Minimaler Check: Wir erwarten mindestens 4 "Paare"
// (--server-ip <IP> --server-port <PORT> --group-name <NAME> --token <TOKEN>)
// plus optional: --description <TEXT>
if (args.length < 8) {
printUsage();
return;
}
String serverIp = getArgument(args, "--server-ip");
String portStr = getArgument(args, "--server-port");
String groupName = getArgument(args, "--group-name");
String token = getArgument(args, "--token");
String description= getArgument(args, "--description");
if (description == null) {
description = "";
}
// Falls eines der Argumente null ist -> Usage
if (serverIp == null || portStr == null || groupName == null || token == null) {
printUsage();
return;
}
int serverPort = Integer.parseInt(portStr);
System.out.println("π€ Sende Anfrage zur Erstellung einer Gruppe...");
// JSON-Payload
JSONObject payload = new JSONObject();
payload.put("command", "store_group");
payload.put("token", token);
// arguments
JSONObject arguments = new JSONObject();
arguments.put("groupName", groupName);
arguments.put("description", description);
payload.put("arguments", arguments);
// Server-Anfrage
String response = sendRequest(serverIp, serverPort, payload);
System.out.println("βοΈ Antwort vom Server:");
System.out.println(response);
}
/**
* Sucht im args-Array nach key und gibt den Wert zurΓΌck,
* oder null, wenn key nicht gefunden wurde oder kein Wert folgt.
*/
private static String getArgument(String[] args, String key) {
for (int i = 0; i < args.length - 1; i++) {
if (args[i].equals(key)) {
return args[i + 1];
}
}
return null;
}
/**
* Stellt eine TCP-Verbindung her, sendet das JSON und empfΓ€ngt die Antwort.
*/
private static String sendRequest(String serverIp, int serverPort, JSONObject payload) {
String payloadJson = payload.toString();
try (Socket client = new Socket(serverIp, serverPort)) {
// Daten senden
OutputStream out = client.getOutputStream();
byte[] data = payloadJson.getBytes(StandardCharsets.UTF_8);
out.write(data);
out.flush();
// Antwort lesen
InputStream in = client.getInputStream();
byte[] buffer = new byte[4096];
StringBuilder responseBuilder = new StringBuilder();
int bytesRead;
do {
bytesRead = in.read(buffer);
if (bytesRead > 0) {
responseBuilder.append(new String(buffer, 0, bytesRead, StandardCharsets.UTF_8));
}
} while (bytesRead == buffer.length);
return responseBuilder.toString();
} catch (IOException e) {
return "Error: " + e.getMessage();
}
}
private static void printUsage() {
System.out.println("Usage: --server-ip <IP> --server-port <PORT> --group-name <GROUP_NAME> --token <TOKEN> [--description <DESCRIPTION>]");
System.out.println();
System.out.println("Beispiel:");
System.out.println(" java -cp .;json-20241224.jar MCPStoreGroupClient \\");
System.out.println(" --server-ip 127.0.0.1 --server-port 1234 --group-name MyGroup --token MyToken --description \"Testgruppe\"");
}
}