Nomad changes

docs/snippets/rust/mcp/mcp_custom_client.md

@@ -0,0 +1,41 @@
+```rust title="Rust"
+use serde_json::json;
+use std::io::{BufRead, BufReader, Write};
+use std::process::{Command, Stdio};
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    let mut child = Command::new("kreuzberg")
+        .arg("mcp")
+        .stdin(Stdio::piped())
+        .stdout(Stdio::piped())
+        .spawn()?;
+
+    {
+        let stdin = child.stdin.as_mut().ok_or("Failed to open stdin")?;
+        let request = json!({
+            "method": "tools/call",
+            "params": {
+                "name": "extract_file",
+                "arguments": {
+                    "path": "document.pdf",
+                    "async": true
+                }
+            }
+        });
+        stdin.write_all(request.to_string().as_bytes())?;
+        stdin.write_all(b"\n")?;
+    }
+
+    let stdout = child.stdout.take().ok_or("Failed to open stdout")?;
+    let reader = BufReader::new(stdout);
+    for line in reader.lines() {
+        if let Ok(line) = line {
+            println!("{}", line);
+            break;
+        }
+    }
+
+    child.wait()?;
+    Ok(())
+}
+```