diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..9f4482b
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,23 @@
+# Python
+__pycache__/
+*.pyc
+*.pyo
+*.pyd
+.Python
+*.egg-info/
+dist/
+build/
+
+# Virtual environment
+.venv/
+
+# IDE
+.idea/
+.vscode/
+
+# Claude Code metadata
+CLAUDE.md
+.claude/
+
+# OS
+.DS_Store