privateGPT MCP Server

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 MCPGetSourceClient { public static void main(String[] args) { // Minimaler Check: // --server-ip <IP> // --server-port <PORT> // --token <TOKEN> // --source-id <SOURCE_ID> // => Das sind 4 SchlΓΌssel und 4 Werte = 8 Strings im args[]-Array. if (args.length < 8) { printUsage(); return; } String serverIp = getArgument(args, "--server-ip"); String portStr = getArgument(args, "--server-port"); String token = getArgument(args, "--token"); String sourceId = getArgument(args, "--source-id"); // Falls eines der erforderlichen Argumente null ist -> Usage if (serverIp == null || portStr == null || token == null || sourceId == null) { printUsage(); return; } int serverPort = Integer.parseInt(portStr); System.out.println("πŸ“€ Sending request to get source information..."); // JSON-Payload erstellen JSONObject payload = new JSONObject(); payload.put("command", "get_source"); payload.put("token", token); JSONObject arguments = new JSONObject(); arguments.put("sourceId", sourceId); payload.put("arguments", arguments); // Anfrage senden String response = sendRequest(serverIp, serverPort, payload); System.out.println("βœ”οΈ Response from server:"); System.out.println(response); } /** * Liest einen Wert fΓΌr ein bestimmtes Argument (z.B. --server-ip 127.0.0.1). * Gibt null zurΓΌck, falls das Argument nicht gefunden wird 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; } /** * Baut eine Socket-Verbindung zum Server auf, sendet das JSON-Payload * 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)) { // JSON-Daten senden OutputStream outputStream = client.getOutputStream(); byte[] data = payloadJson.getBytes(StandardCharsets.UTF_8); outputStream.write(data); outputStream.flush(); // Antwort empfangen InputStream inputStream = client.getInputStream(); byte[] buffer = new byte[4096]; StringBuilder responseBuilder = new StringBuilder(); int bytesRead; do { bytesRead = inputStream.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> --token <TOKEN> --source-id <SOURCE_ID>"); System.out.println(); System.out.println("Example:"); System.out.println(" java -cp .;json-20241224.jar MCPGetSourceClient \\"); System.out.println(" --server-ip 127.0.0.1 --server-port 1234 --token MyToken --source-id 123"); } }