diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..3fc776a
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,18 @@
+# Build outputs
+**/bin/
+**/obj/
+publish/
+.codex-build/
+
+# NuGet packages and local package output
+artifacts/
+*.nupkg
+*.snupkg
+
+# IDE and local files
+.vs/
+.vscode/
+.idea/
+*.user
+*.suo
+TestResults/