diff --git a/cspell.json b/cspell.json
new file mode 100644
index 000000000000..4cd1a1b6232d
--- /dev/null
+++ b/cspell.json
@@ -0,0 +1,18 @@
+{
+  "words": ["xlink", "datetime"],
+  "ignorePaths": [
+    "package-lock.json",
+    "pnpm-lock.yaml",
+    "node_modules",
+    "vscode-extension",
+    ".git/objects",
+    ".vscode",
+    ".vscode-insiders",
+    "coverage",
+    "build",
+    "dist",
+    "public",
+    "trace",
+    "**/*.{mp3,otf}"
+  ]
+}