diff --git a/ruleguard.rules.go b/ruleguard.rules.go
index 0887ca1..178d06c 100644
--- a/ruleguard.rules.go
+++ b/ruleguard.rules.go
@@ -322,6 +322,19 @@ func joinpath(m dsl.Matcher) {
 		Report(`did you mean path.Join() or filepath.Join() ?`)
 }
 
+func rewriteSplitN(m dsl.Matcher) {
+	m.Match(
+		`$x := strings.SplitN($y, $delim, 2)[0]`,
+		`$x := strings.SplitN($y, $delim, -1)[0]`,
+		`$x := strings.Split($y, $delim)[0]`,
+	).
+		Suggest(`$x, _, _ := strings.Cut($y, $delim)`).
+		Report(`Use strings.Cut instead of strings.SplitN for cleaner string splitting`)
+	m.Match(`$x := strings.SplitN($y, $delim, 2)[1]`).
+		Suggest(`_, $x, _ := strings.Cut($y, $delim)`).
+		Report(`Use strings.Cut instead of strings.SplitN for cleaner string splitting`)
+}
+
 func readfull(m dsl.Matcher) {
 	m.Match(`$n, $err := io.ReadFull($_, $slice)
                  if $err != nil || $n != len($slice) {
diff --git a/splitn.yml b/splitn.yml
new file mode 100644
index 0000000..4eec599
--- /dev/null
+++ b/splitn.yml
@@ -0,0 +1,21 @@
+rules:
+  - id: rewrite-splitn-to-cut-first
+    patterns:
+      - pattern-either:
+          - pattern: $X := strings.SplitN($Y, $DELIM, 2)[0]
+          - pattern: $X := strings.SplitN($Y, $DELIM, -1)[0]
+          - pattern: $X := strings.Split($Y, $DELIM)[0]
+    message: Replace strings.SplitN with strings.Cut for cleaner string splitting
+    languages: [go]
+    severity: ERROR
+    fix: |
+      $X, _, _ := strings.Cut($Y, $DELIM)
+
+  - id: rewrite-splitn-to-cut-second
+    pattern: |
+      $X := strings.SplitN($Y, $DELIM, 2)[1]
+    message: Replace strings.SplitN with strings.Cut for cleaner string splitting
+    languages: [go]
+    severity: ERROR
+    fix: |
+      _, $X, _ := strings.Cut($Y, $DELIM)