Nomad changes

docs/snippets/java/mcp/mcp_custom_client.md

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+```java title="Java"
+import com.fasterxml.jackson.databind.ObjectMapper;
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStreamWriter;
+import java.util.Map;
+
+public class McpCustomClient {
+    public static void main(String[] args) throws IOException, InterruptedException {
+        ProcessBuilder pb = new ProcessBuilder("kreuzberg", "mcp");
+        Process mcp = pb.start();
+
+        ObjectMapper mapper = new ObjectMapper();
+        try (BufferedWriter stdin = new BufferedWriter(new OutputStreamWriter(mcp.getOutputStream()));
+             BufferedReader stdout = new BufferedReader(new InputStreamReader(mcp.getInputStream()))) {
+
+            Map<String, Object> request = Map.of(
+                "method", "tools/call",
+                "params", Map.of(
+                    "name", "extract_file",
+                    "arguments", Map.of("path", "document.pdf", "async", true)
+                )
+            );
+
+            stdin.write(mapper.writeValueAsString(request));
+            stdin.newLine();
+            stdin.flush();
+
+            String line = stdout.readLine();
+            if (line != null) {
+                System.out.println(line);
+            }
+        }
+
+        mcp.waitFor();
+    }
+}
+```