diff --git a/.claude/settings.json b/.claude/settings.json
new file mode 100644
index 0000000..33958e3
--- /dev/null
+++ b/.claude/settings.json
@@ -0,0 +1,18 @@
+{
+  "$schema": "https://json.schemastore.org/claude-code-settings.json",
+  "hooks": {
+    "PostToolUse": [
+      {
+        "matcher": "Write|Edit",
+        "hooks": [
+          {
+            "type": "command",
+            "command": "jq -r \"(.tool_response.filePath // .tool_input.file_path) // empty\" | { read -r f || exit 0; case \"$f\" in */dotfiles/*) exit 0 ;; *.sh|*/bootstrap.sh) ;; *) exit 0 ;; esac; command -v shellcheck >/dev/null || exit 0; shellcheck -S warning -x \"$f\" >&2 || exit 2; }",
+            "timeout": 30,
+            "statusMessage": "shellcheck"
+          }
+        ]
+      }
+    ]
+  }
+}