Nomad changes

docs/snippets/java/mcp/mcp_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 McpClient {
+    private final Process mcpProcess;
+    private final BufferedWriter stdin;
+    private final BufferedReader stdout;
+    private final ObjectMapper mapper = new ObjectMapper();
+
+    public McpClient() throws IOException {
+        ProcessBuilder pb = new ProcessBuilder("kreuzberg", "mcp");
+        mcpProcess = pb.start();
+        stdin = new BufferedWriter(new OutputStreamWriter(mcpProcess.getOutputStream()));
+        stdout = new BufferedReader(new InputStreamReader(mcpProcess.getInputStream()));
+    }
+
+    public String extractFile(String path) throws IOException {
+        Map<String, Object> request = Map.of(
+            "method", "tools/call",
+            "params", Map.of(
+                "name", "extract_file",
+                "arguments", Map.of("path", path, "async", true)
+            )
+        );
+
+        stdin.write(mapper.writeValueAsString(request));
+        stdin.newLine();
+        stdin.flush();
+
+        String response = stdout.readLine();
+        @SuppressWarnings("unchecked")
+        Map<String, Object> result = mapper.readValue(response, Map.class);
+        @SuppressWarnings("unchecked")
+        Map<String, Object> resultData = (Map<String, Object>) result.get("result");
+        return (String) resultData.get("content");
+    }
+
+    public void close() throws IOException {
+        stdin.close();
+        stdout.close();
+        mcpProcess.destroy();
+    }
+
+    public static void main(String[] args) {
+        try (McpClient client = new McpClient()) {
+            String content = client.extractFile("contract.pdf");
+            System.out.println("Extracted content: " + content);
+        } catch (IOException e) {
+            System.err.println("Error: " + e.getMessage());
+        }
+    }
+}
+```